/* * Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.sun.rowset; import java.sql.*; import javax.sql.*; import java.io.*; import java.math.*; import java.util.*; import java.text.*; import javax.sql.rowset.*; import javax.sql.rowset.spi.*; import javax.sql.rowset.serial.*; import com.sun.rowset.internal.*; import com.sun.rowset.providers.*; /** * The standard implementation of the CachedRowSet interface. * * See interface defintion for full behaviour and implementation requirements. * This reference implementation has made provision for a one-to-one write back * facility and it is curremtly be possible to change the peristence provider * during the life-time of any CachedRowSetImpl. * * @author Jonathan Bruce, Amit Handa */ public class CachedRowSetImpl extends BaseRowSet implements RowSet, RowSetInternal, Serializable, Cloneable, CachedRowSet { /** * The SyncProvider used by the CachedRowSet */ private SyncProvider provider; /** * The RowSetReaderImpl object that is the reader * for this rowset. The method execute uses this * reader as part of its implementation. * @serial */ private RowSetReader rowSetReader; /** * The RowSetWriterImpl object that is the writer * for this rowset. The method acceptChanges uses * this writer as part of its implementation. * @serial */ private RowSetWriter rowSetWriter; /** * The Connection object that connects with this * CachedRowSetImpl object's current underlying data source. */ private transient Connection conn; /** * The ResultSetMetaData object that contains information * about the columns in the ResultSet object that is the * current source of data for this CachedRowSetImpl object. */ private transient ResultSetMetaData RSMD; /** * The RowSetMetaData object that contains information about * the columns in this CachedRowSetImpl object. * @serial */ private RowSetMetaDataImpl RowSetMD; // Properties of this RowSet /** * An array containing the columns in this CachedRowSetImpl * object that form a unique identifier for a row. This array * is used by the writer. * @serial */ private int keyCols[]; /** * The name of the table in the underlying database to which updates * should be written. This name is needed because most drivers * do not return this information in a ResultSetMetaData * object. * @serial */ private String tableName; /** * A Vector object containing the Row * objects that comprise this CachedRowSetImpl object. * @serial */ private Vector rvh; /** * The current postion of the cursor in this CachedRowSetImpl * object. * @serial */ private int cursorPos; /** * The current postion of the cursor in this CachedRowSetImpl * object not counting rows that have been deleted, if any. *

* For example, suppose that the cursor is on the last row of a rowset * that started with five rows and subsequently had the second and third * rows deleted. The absolutePos would be 3, * whereas the cursorPos would be 5. * @serial */ private int absolutePos; /** * The number of deleted rows currently in this CachedRowSetImpl * object. * @serial */ private int numDeleted; /** * The total number of rows currently in this CachedRowSetImpl * object. * @serial */ private int numRows; /** * A special row used for constructing a new row. A new * row is constructed by using ResultSet.updateXXX * methods to insert column values into the insert row. * @serial */ private InsertRow insertRow; /** * A boolean indicating whether the cursor is * currently on the insert row. * @serial */ private boolean onInsertRow; /** * The field that temporarily holds the last position of the * cursor before it moved to the insert row, thus preserving * the number of the current row to which the cursor may return. * @serial */ private int currentRow; /** * A boolean indicating whether the last value * returned was an SQL NULL. * @serial */ private boolean lastValueNull; /** * A SQLWarning which logs on the warnings */ private SQLWarning sqlwarn; /** * Used to track match column for JoinRowSet consumption */ private String strMatchColumn =""; /** * Used to track match column for JoinRowSet consumption */ private int iMatchColumn = -1; /** * A RowSetWarning which logs on the warnings */ private RowSetWarning rowsetWarning; /** * The default SyncProvider for the RI CachedRowSetImpl */ private String DEFAULT_SYNC_PROVIDER = "com.sun.rowset.providers.RIOptimisticProvider"; /** * The boolean variable indicating locatorsUpdateValue */ private boolean dbmslocatorsUpdateCopy; /** * The ResultSet object that is used to maintain the data when * a ResultSet and start position are passed as parameters to the populate function */ private transient ResultSet resultSet; /** * The integer value indicating the end position in the ResultSetwhere the picking * up of rows for populating a CachedRowSet object was left off. */ private int endPos; /** * The integer value indicating the end position in the ResultSetwhere the picking * up of rows for populating a CachedRowSet object was left off. */ private int prevEndPos; /** * The integer value indicating the position in the ResultSet, to populate the * CachedRowSet object. */ private int startPos; /** * The integer value indicating the positon from where the page prior to this * was populated. */ private int startPrev; /** * The integer value indicating size of the page. */ private int pageSize; /** * The integer value indicating number of rows that have been processed so far. * Used for checking whether maxRows has been reached or not. */ private int maxRowsreached; /** * The boolean value when true signifies that pages are still to follow and a * false value indicates that this is the last page. */ private boolean pagenotend = true; /** * The boolean value indicating whether this is the first page or not. */ private boolean onFirstPage; /** * The boolean value indicating whether this is the last page or not. */ private boolean onLastPage; /** * The integer value indicating how many times the populate function has been called. */ private int populatecallcount; /** * The integer value indicating the total number of rows to be processed in the * ResultSet object passed to the populate function. */ private int totalRows; /** * The boolean value indicating how the CahedRowSet object has been populated for * paging purpose. True indicates that connection parameter is passed. */ private boolean callWithCon; /** * CachedRowSet reader object to read the data from the ResultSet when a connection * parameter is passed to populate the CachedRowSet object for paging. */ private CachedRowSetReader crsReader; /** * The Vector holding the Match Columns */ private Vector iMatchColumns; /** * The Vector that will hold the Match Column names. */ private Vector strMatchColumns; /** * Trigger that indicates whether the active SyncProvider is exposes the * additional TransactionalWriter method */ private boolean tXWriter = false; /** * The field object for a transactional RowSet writer */ private TransactionalWriter tWriter = null; protected transient JdbcRowSetResourceBundle resBundle; private boolean updateOnInsert; /** * Constructs a new default CachedRowSetImpl object with * the capacity to hold 100 rows. This new object has no metadata * and has the following default values: *

     *     onInsertRow = false
     *     insertRow = null
     *     cursorPos = 0
     *     numRows = 0
     *     showDeleted = false
     *     queryTimeout = 0
     *     maxRows = 0
     *     maxFieldSize = 0
     *     rowSetType = ResultSet.TYPE_SCROLL_INSENSITIVE
     *     concurrency = ResultSet.CONCUR_UPDATABLE
     *     readOnly = false
     *     isolation = Connection.TRANSACTION_READ_COMMITTED
     *     escapeProcessing = true
     *     onInsertRow = false
     *     insertRow = null
     *     cursorPos = 0
     *     absolutePos = 0
     *     numRows = 0
     * 
* A CachedRowSetImpl object is configured to use the default * RIOptimisticProvider implementation to provide connectivity * and synchronization capabilities to the set data source. *

* @throws SQLException if an error occurs */ public CachedRowSetImpl() throws SQLException { try { resBundle = JdbcRowSetResourceBundle.getJdbcRowSetResourceBundle(); } catch(IOException ioe) { throw new RuntimeException(ioe); } // set the Reader, this maybe overridden latter provider = (SyncProvider)SyncFactory.getInstance(DEFAULT_SYNC_PROVIDER); if (!(provider instanceof RIOptimisticProvider)) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.invalidp").toString()); } rowSetReader = (CachedRowSetReader)provider.getRowSetReader(); rowSetWriter = (CachedRowSetWriter)provider.getRowSetWriter(); // allocate the parameters collection initParams(); initContainer(); // set up some default values initProperties(); // insert row setup onInsertRow = false; insertRow = null; // set the warninings sqlwarn = new SQLWarning(); rowsetWarning = new RowSetWarning(); } /** * Provides a CachedRowSetImpl instance with the same default properties as * as the zero parameter constructor. *

     *     onInsertRow = false
     *     insertRow = null
     *     cursorPos = 0
     *     numRows = 0
     *     showDeleted = false
     *     queryTimeout = 0
     *     maxRows = 0
     *     maxFieldSize = 0
     *     rowSetType = ResultSet.TYPE_SCROLL_INSENSITIVE
     *     concurrency = ResultSet.CONCUR_UPDATABLE
     *     readOnly = false
     *     isolation = Connection.TRANSACTION_READ_COMMITTED
     *     escapeProcessing = true
     *     onInsertRow = false
     *     insertRow = null
     *     cursorPos = 0
     *     absolutePos = 0
     *     numRows = 0
     * 
* * However, applications will have the means to specify at runtime the * desired SyncProvider object. *

* For example, creating a CachedRowSetImpl object as follows ensures * that a it is established with the com.foo.provider.Impl synchronization * implementation providing the synchronization mechanism for this disconnected * RowSet object. *

     *     Hashtable env = new Hashtable();
     *     env.put(javax.sql.rowset.spi.SyncFactory.ROWSET_PROVIDER_NAME,
     *         "com.foo.provider.Impl");
     *     CachedRowSetImpl crs = new CachedRowSet(env);
     * 
*

* Calling this constructor with a null parameter will * cause the SyncFactory to provide the reference * optimistic provider com.sun.rowset.providers.RIOptimisticProvider. *

* In addition, the following properties can be associated with the * provider to assist in determining the choice of the synchronizaton * provider such as: *

* More specific detailes are available in the SyncFactory * and SyncProvider specificiations later in this document. *

* @param env a Hashtable object with a list of desired * synchronization providers * @throws SQLException if the requested provider cannot be found by the * synchonization factory * @see SyncProvider */ public CachedRowSetImpl(Hashtable env) throws SQLException { try { resBundle = JdbcRowSetResourceBundle.getJdbcRowSetResourceBundle(); } catch(IOException ioe) { throw new RuntimeException(ioe); } if (env == null) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.nullhash").toString()); } String providerName = (String)env.get( javax.sql.rowset.spi.SyncFactory.ROWSET_SYNC_PROVIDER); // set the Reader, this maybe overridden latter provider = (SyncProvider)SyncFactory.getInstance(providerName); rowSetReader = provider.getRowSetReader(); rowSetWriter = provider.getRowSetWriter(); initParams(); // allocate the parameters collection initContainer(); initProperties(); // set up some default values } /** * Sets the rvh field to a new Vector * object with a capacity of 100 and sets the * cursorPos and numRows fields to zero. */ private void initContainer() { rvh = new Vector(100); cursorPos = 0; absolutePos = 0; numRows = 0; numDeleted = 0; } /** * Sets the properties for this CachedRowSetImpl object to * their default values. This method is called internally by the * default constructor. */ private void initProperties() throws SQLException { if(resBundle == null) { try { resBundle = JdbcRowSetResourceBundle.getJdbcRowSetResourceBundle(); } catch(IOException ioe) { throw new RuntimeException(ioe); } } setShowDeleted(false); setQueryTimeout(0); setMaxRows(0); setMaxFieldSize(0); setType(ResultSet.TYPE_SCROLL_INSENSITIVE); setConcurrency(ResultSet.CONCUR_UPDATABLE); if((rvh.size() > 0) && (isReadOnly() == false)) setReadOnly(false); else setReadOnly(true); setTransactionIsolation(Connection.TRANSACTION_READ_COMMITTED); setEscapeProcessing(true); //setTypeMap(null); checkTransactionalWriter(); //Instantiating the vector for MatchColumns iMatchColumns = new Vector(10); for(int i = 0; i < 10 ; i++) { iMatchColumns.add(i,Integer.valueOf(-1)); } strMatchColumns = new Vector(10); for(int j = 0; j < 10; j++) { strMatchColumns.add(j,null); } } /** * Determine whether the SyncProvider's writer implements the * TransactionalWriter interface */ private void checkTransactionalWriter() { if (rowSetWriter != null) { Class c = rowSetWriter.getClass(); if (c != null) { Class[] theInterfaces = c.getInterfaces(); for (int i = 0; i < theInterfaces.length; i++) { if ((theInterfaces[i].getName()).indexOf("TransactionalWriter") > 0) { tXWriter = true; establishTransactionalWriter(); } } } } } /** * Sets an private field to all transaction bounddaries to be set */ private void establishTransactionalWriter() { tWriter = (TransactionalWriter)provider.getRowSetWriter(); } //----------------------------------------------------------------------- // Properties //----------------------------------------------------------------------- /** * Sets this CachedRowSetImpl object's command property * to the given String object and clears the parameters, * if any, that were set for the previous command. *

* The command property may not be needed * if the rowset is produced by a data source, such as a spreadsheet, * that does not support commands. Thus, this property is optional * and may be null. * * @param cmd a String object containing an SQL query * that will be set as the command; may be null * @throws SQLException if an error occurs */ public void setCommand(String cmd) throws SQLException { super.setCommand(cmd); if(!buildTableName(cmd).equals("")) { this.setTableName(buildTableName(cmd)); } } //--------------------------------------------------------------------- // Reading and writing data //--------------------------------------------------------------------- /** * Populates this CachedRowSetImpl object with data from * the given ResultSet object. This * method is an alternative to the method execute * for filling the rowset with data. The method populate * does not require that the properties needed by the method * execute, such as the command property, * be set. This is true because the method populate * is given the ResultSet object from * which to get data and thus does not need to use the properties * required for setting up a connection and executing this * CachedRowSetImpl object's command. *

* After populating this rowset with data, the method * populate sets the rowset's metadata and * then sends a RowSetChangedEvent object * to all registered listeners prior to returning. * * @param data the ResultSet object containing the data * to be read into this CachedRowSetImpl object * @throws SQLException if an error occurs; or the max row setting is * violated while populating the RowSet * @see #execute */ public void populate(ResultSet data) throws SQLException { int rowsFetched; Row currentRow; int numCols; int i; Map> map = getTypeMap(); Object obj; int mRows; if (data == null) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.populate").toString()); } this.resultSet = data; // get the meta data for this ResultSet RSMD = data.getMetaData(); // set up the metadata RowSetMD = new RowSetMetaDataImpl(); initMetaData(RowSetMD, RSMD); // release the meta-data so that aren't tempted to use it. RSMD = null; numCols = RowSetMD.getColumnCount(); mRows = this.getMaxRows(); rowsFetched = 0; currentRow = null; while ( data.next()) { currentRow = new Row(numCols); if ( rowsFetched > mRows && mRows > 0) { rowsetWarning.setNextWarning(new RowSetWarning("Populating rows " + "setting has exceeded max row setting")); } for ( i = 1; i <= numCols; i++) { /* * check if the user has set a map. If no map * is set then use plain getObject. This lets * us work with drivers that do not support * getObject with a map in fairly sensible way */ if (map == null) { obj = data.getObject(i); } else { obj = data.getObject(i, map); } /* * the following block checks for the various * types that we have to serialize in order to * store - right now only structs have been tested */ if (obj instanceof Struct) { obj = new SerialStruct((Struct)obj, map); } else if (obj instanceof SQLData) { obj = new SerialStruct((SQLData)obj, map); } else if (obj instanceof Blob) { obj = new SerialBlob((Blob)obj); } else if (obj instanceof Clob) { obj = new SerialClob((Clob)obj); } else if (obj instanceof java.sql.Array) { if(map != null) obj = new SerialArray((java.sql.Array)obj, map); else obj = new SerialArray((java.sql.Array)obj); } ((Row)currentRow).initColumnObject(i, obj); } rowsFetched++; rvh.add(currentRow); } numRows = rowsFetched ; // Also rowsFetched should be equal to rvh.size() // notify any listeners that the rowset has changed notifyRowSetChanged(); } /** * Initializes the given RowSetMetaData object with the values * in the given ResultSetMetaData object. * * @param md the RowSetMetaData object for this * CachedRowSetImpl object, which will be set with * values from rsmd * @param rsmd the ResultSetMetaData object from which new * values for md will be read * @throws SQLException if an error occurs */ private void initMetaData(RowSetMetaDataImpl md, ResultSetMetaData rsmd) throws SQLException { int numCols = rsmd.getColumnCount(); md.setColumnCount(numCols); for (int col=1; col <= numCols; col++) { md.setAutoIncrement(col, rsmd.isAutoIncrement(col)); if(rsmd.isAutoIncrement(col)) updateOnInsert = true; md.setCaseSensitive(col, rsmd.isCaseSensitive(col)); md.setCurrency(col, rsmd.isCurrency(col)); md.setNullable(col, rsmd.isNullable(col)); md.setSigned(col, rsmd.isSigned(col)); md.setSearchable(col, rsmd.isSearchable(col)); /* * The PostgreSQL drivers sometimes return negative columnDisplaySize, * which causes an exception to be thrown. Check for it. */ int size = rsmd.getColumnDisplaySize(col); if (size < 0) { size = 0; } md.setColumnDisplaySize(col, size); md.setColumnLabel(col, rsmd.getColumnLabel(col)); md.setColumnName(col, rsmd.getColumnName(col)); md.setSchemaName(col, rsmd.getSchemaName(col)); /* * Drivers return some strange values for precision, for non-numeric data, including reports of * non-integer values; maybe we should check type, & set to 0 for non-numeric types. */ int precision = rsmd.getPrecision(col); if (precision < 0) { precision = 0; } md.setPrecision(col, precision); /* * It seems, from a bug report, that a driver can sometimes return a negative * value for scale. javax.sql.rowset.RowSetMetaDataImpl will throw an exception * if we attempt to set a negative value. As such, we'll check for this case. */ int scale = rsmd.getScale(col); if (scale < 0) { scale = 0; } md.setScale(col, scale); md.setTableName(col, rsmd.getTableName(col)); md.setCatalogName(col, rsmd.getCatalogName(col)); md.setColumnType(col, rsmd.getColumnType(col)); md.setColumnTypeName(col, rsmd.getColumnTypeName(col)); } if( conn != null){ // JDBC 4.0 mandates as does the Java EE spec that all DataBaseMetaData methods // must be implemented, therefore, the previous fix for 5055528 is being backed out dbmslocatorsUpdateCopy = conn.getMetaData().locatorsUpdateCopy(); } } /** * Populates this CachedRowSetImpl object with data, * using the given connection to produce the result set from * which data will be read. A second form of this method, * which takes no arguments, uses the values from this rowset's * user, password, and either url or data source properties to * create a new database connection. The form of execute * that is given a connection ignores these properties. * * @param conn A standard JDBC Connection object that this * CachedRowSet object can pass to a synchronization provider * to establish a connection to the data source * @throws SQLException if an invalid Connection is supplied * or an error occurs in establishing the connection to the * data source * @see #populate * @see java.sql.Connection */ public void execute(Connection conn) throws SQLException { // store the connection so the reader can find it. setConnection(conn); if(getPageSize() != 0){ crsReader = (CachedRowSetReader)provider.getRowSetReader(); crsReader.setStartPosition(1); callWithCon = true; crsReader.readData((RowSetInternal)this); } // Now call the current reader's readData method else { rowSetReader.readData((RowSetInternal)this); } RowSetMD = (RowSetMetaDataImpl)this.getMetaData(); if(conn != null){ // JDBC 4.0 mandates as does the Java EE spec that all DataBaseMetaData methods // must be implemented, therefore, the previous fix for 5055528 is being backed out dbmslocatorsUpdateCopy = conn.getMetaData().locatorsUpdateCopy(); } } /** * Sets this CachedRowSetImpl object's connection property * to the given Connection object. This method is called * internally by the version of the method execute that takes a * Connection object as an argument. The reader for this * CachedRowSetImpl object can retrieve the connection stored * in the rowset's connection property by calling its * getConnection method. * * @param connection the Connection object that was passed in * to the method execute and is to be stored * in this CachedRowSetImpl object's connection * property */ private void setConnection (Connection connection) { conn = connection; } /** * Propagates all row update, insert, and delete changes to the * underlying data source backing this CachedRowSetImpl * object. *

* NoteIn the reference implementation an optimistic concurrency implementation * is provided as a sample implementation of a the SyncProvider * abstract class. *

* This method fails if any of the updates cannot be propagated back * to the data source. When it fails, the caller can assume that * none of the updates are reflected in the data source. * When an exception is thrown, the current row * is set to the first "updated" row that resulted in an exception * unless the row that caused the exception is a "deleted" row. * In that case, when deleted rows are not shown, which is usually true, * the current row is not affected. *

* If no SyncProvider is configured, the reference implementation * leverages the RIOptimisticProvider available which provides the * default and reference synchronization capabilities for disconnected * RowSets. * * @throws SQLException if the cursor is on the insert row or the underlying * reference synchronization provider fails to commit the updates * to the datasource * @throws SyncProviderException if an internal error occurs within the * SyncProvider instance during either during the * process or at any time when the SyncProvider * instance touches the data source. * @see #acceptChanges(java.sql.Connection) * @see javax.sql.RowSetWriter * @see javax.sql.rowset.spi.SyncProvider */ public void acceptChanges() throws SyncProviderException { if (onInsertRow == true) { throw new SyncProviderException(resBundle.handleGetObject("cachedrowsetimpl.invalidop").toString()); } int saveCursorPos = cursorPos; boolean success = false; boolean conflict = false; try { if (rowSetWriter != null) { saveCursorPos = cursorPos; conflict = rowSetWriter.writeData((RowSetInternal)this); cursorPos = saveCursorPos; } if ((tXWriter) && this.COMMIT_ON_ACCEPT_CHANGES) { // do commit/rollback's here if (!conflict) { tWriter = (TransactionalWriter)rowSetWriter; tWriter.rollback(); success = false; } else { tWriter = (TransactionalWriter)rowSetWriter; if (tWriter instanceof CachedRowSetWriter) { ((CachedRowSetWriter)tWriter).commit(this, updateOnInsert); } else { tWriter.commit(); } success = true; } } if (success == true) { setOriginal(); } else if (!(success) && !(this.COMMIT_ON_ACCEPT_CHANGES)) { throw new SyncProviderException(resBundle.handleGetObject("cachedrowsetimpl.accfailed").toString()); } } catch (SyncProviderException spe) { throw spe; } catch (SQLException e) { e.printStackTrace(); throw new SyncProviderException(e.getMessage()); } catch (SecurityException e) { throw new SyncProviderException(e.getMessage()); } } /** * Propagates all row update, insert, and delete changes to the * data source backing this CachedRowSetImpl object * using the given Connection object. *

* The reference implementation RIOptimisticProvider * modifies its synchronization to a write back function given * the updated connection * The reference implementation modifies its synchronization behaviour * via the SyncProvider to ensure the synchronization * occurs according to the updated JDBC Connection * properties. * * @param con a standard JDBC Connection object * @throws SQLException if the cursor is on the insert row or the underlying * synchronization provider fails to commit the updates * back to the data source * @see #acceptChanges * @see javax.sql.RowSetWriter * @see javax.sql.rowset.spi.SyncFactory * @see javax.sql.rowset.spi.SyncProvider */ public void acceptChanges(Connection con) throws SyncProviderException{ setConnection(con); acceptChanges(); } /** * Restores this CachedRowSetImpl object to its original state, * that is, its state before the last set of changes. *

* Before returning, this method moves the cursor before the first row * and sends a rowSetChanged event to all registered * listeners. * @throws SQLException if an error is occurs rolling back the RowSet * state to the definied original value. * @see javax.sql.RowSetListener#rowSetChanged */ public void restoreOriginal() throws SQLException { Row currentRow; for (Iterator i = rvh.iterator(); i.hasNext();) { currentRow = (Row)i.next(); if (currentRow.getInserted() == true) { i.remove(); --numRows; } else { if (currentRow.getDeleted() == true) { currentRow.clearDeleted(); } if (currentRow.getUpdated() == true) { currentRow.clearUpdated(); } } } // move to before the first cursorPos = 0; // notify any listeners notifyRowSetChanged(); } /** * Releases the current contents of this CachedRowSetImpl * object and sends a rowSetChanged event object to all * registered listeners. * * @throws SQLException if an error occurs flushing the contents of * RowSet. * @see javax.sql.RowSetListener#rowSetChanged */ public void release() throws SQLException { initContainer(); notifyRowSetChanged(); } /** * Cancels deletion of the current row and notifies listeners that * a row has changed. *

* Note: This method can be ignored if deleted rows are not being shown, * which is the normal case. * * @throws SQLException if the cursor is not on a valid row */ public void undoDelete() throws SQLException { if (getShowDeleted() == false) { return; } // make sure we are on a row checkCursor(); // don't want this to happen... if (onInsertRow == true) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.invalidcp").toString()); } Row currentRow = (Row)getCurrentRow(); if (currentRow.getDeleted() == true) { currentRow.clearDeleted(); --numDeleted; notifyRowChanged(); } } /** * Immediately removes the current row from this * CachedRowSetImpl object if the row has been inserted, and * also notifies listeners the a row has changed. An exception is thrown * if the row is not a row that has been inserted or the cursor is before * the first row, after the last row, or on the insert row. *

* This operation cannot be undone. * * @throws SQLException if an error occurs, * the cursor is not on a valid row, * or the row has not been inserted */ public void undoInsert() throws SQLException { // make sure we are on a row checkCursor(); // don't want this to happen... if (onInsertRow == true) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.invalidcp").toString()); } Row currentRow = (Row)getCurrentRow(); if (currentRow.getInserted() == true) { rvh.remove(cursorPos-1); --numRows; notifyRowChanged(); } else { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.illegalop").toString()); } } /** * Immediately reverses the last update operation if the * row has been modified. This method can be * called to reverse updates on a all columns until all updates in a row have * been rolled back to their originating state since the last synchronization * (acceptChanges) or population. This method may also be called * while performing updates to the insert row. *

* undoUpdateRowSet object backed by the same data as * that of this CachedRowSetImpl object and sharing a set of cursors * with it. This allows cursors to interate over a shared set of rows, providing * multiple views of the underlying data. * * @return a RowSet object that is a copy of this CachedRowSetImpl * object and shares a set of cursors with it * @throws SQLException if an error occurs or cloning is * not supported * @see javax.sql.RowSetEvent * @see javax.sql.RowSetListener */ public RowSet createShared() throws SQLException { RowSet clone; try { clone = (RowSet)clone(); } catch (CloneNotSupportedException ex) { throw new SQLException(ex.getMessage()); } return clone; } /** * Returns a new RowSet object containing by the same data * as this CachedRowSetImpl object. This method * differs from the method createCopy in that it throws a * CloneNotSupportedException object instead of an * SQLException object, as the method createShared * does. This clone * method is called internally by the method createShared, * which catches the CloneNotSupportedException object * and in turn throws a new SQLException object. * * @return a copy of this CachedRowSetImpl object * @throws CloneNotSupportedException if an error occurs when * attempting to clone this CachedRowSetImpl object * @see #createShared */ protected Object clone() throws CloneNotSupportedException { return (super.clone()); } /** * Creates a RowSet object that is a deep copy of * this CachedRowSetImpl object's data, including * constraints. Updates made * on a copy are not visible to the original rowset; * a copy of a rowset is completely independent from the original. *

* Making a copy saves the cost of creating an identical rowset * from first principles, which can be quite expensive. * For example, it can eliminate the need to query a * remote database server. * @return a new CachedRowSet object that is a deep copy * of this CachedRowSet object and is * completely independent from this CachedRowSetImpl * object. * @throws SQLException if an error occurs in generating the copy of this * of the CachedRowSetImpl * @see #createShared * @see javax.sql.RowSetEvent * @see javax.sql.RowSetListener */ public CachedRowSet createCopy() throws SQLException { ObjectOutputStream out; ByteArrayOutputStream bOut = new ByteArrayOutputStream(); try { out = new ObjectOutputStream(bOut); out.writeObject(this); } catch (IOException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.clonefail").toString() , ex.getMessage())); } ObjectInputStream in; try { ByteArrayInputStream bIn = new ByteArrayInputStream(bOut.toByteArray()); in = new ObjectInputStream(bIn); } catch (StreamCorruptedException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.clonefail").toString() , ex.getMessage())); } catch (IOException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.clonefail").toString() , ex.getMessage())); } try { //return ((CachedRowSet)(in.readObject())); CachedRowSetImpl crsTemp = (CachedRowSetImpl)in.readObject(); crsTemp.resBundle = this.resBundle; return ((CachedRowSet)crsTemp); } catch (ClassNotFoundException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.clonefail").toString() , ex.getMessage())); } catch (OptionalDataException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.clonefail").toString() , ex.getMessage())); } catch (IOException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.clonefail").toString() , ex.getMessage())); } } /** * Creates a RowSet object that is a copy of * this CachedRowSetImpl object's table structure * and the constraints only. * There will be no data in the object being returned. * Updates made on a copy are not visible to the original rowset. *

* This helps in getting the underlying XML schema which can * be used as the basis for populating a WebRowSet. * * @return a new CachedRowSet object that is a copy * of this CachedRowSetImpl object's schema and * retains all the constraints on the original rowset but contains * no data * @throws SQLException if an error occurs in generating the copy * of the CachedRowSet object * @see #createShared * @see #createCopy * @see #createCopyNoConstraints * @see javax.sql.RowSetEvent * @see javax.sql.RowSetListener */ public CachedRowSet createCopySchema() throws SQLException { // Copy everything except data i.e all constraints // Store the number of rows of "this" // and make numRows equals zero. // and make data also zero. int nRows = numRows; numRows = 0; CachedRowSet crs = this.createCopy(); // reset this object back to number of rows. numRows = nRows; return crs; } /** * Creates a CachedRowSet object that is a copy of * this CachedRowSetImpl object's data only. * All constraints set in this object will not be there * in the returning object. Updates made * on a copy are not visible to the original rowset. * * @return a new CachedRowSet object that is a deep copy * of this CachedRowSetImpl object and is * completely independent from this CachedRowSetImpl object * @throws SQLException if an error occurs in generating the copy of the * of the CachedRowSet * @see #createShared * @see #createCopy * @see #createCopySchema * @see javax.sql.RowSetEvent * @see javax.sql.RowSetListener */ public CachedRowSet createCopyNoConstraints() throws SQLException { // Copy the whole data ONLY without any constraints. CachedRowSetImpl crs; crs = (CachedRowSetImpl)this.createCopy(); crs.initProperties(); try { crs.unsetMatchColumn(crs.getMatchColumnIndexes()); } catch(SQLException sqle) { //do nothing, if the setMatchColumn is not set. } try { crs.unsetMatchColumn(crs.getMatchColumnNames()); } catch(SQLException sqle) { //do nothing, if the setMatchColumn is not set. } return crs; } /** * Converts this CachedRowSetImpl object to a collection * of tables. The sample implementation utilitizes the TreeMap * collection type. * This class guarantees that the map will be in ascending key order, * sorted according to the natural order for the key's class. * * @return a Collection object consisting of tables, * each of which is a copy of a row in this * CachedRowSetImpl object * @throws SQLException if an error occurs in generating the collection * @see #toCollection(int) * @see #toCollection(String) * @see java.util.TreeMap */ public Collection toCollection() throws SQLException { TreeMap tMap = new TreeMap<>(); for (int i = 0; iCachedRowSetImpl object * as a Collection object. This method makes a copy of the * column's data and utilitizes the Vector to establish the * collection. The Vector class implements a growable array * objects allowing the individual components to be accessed using an * an integer index similar to that of an array. * * @return a Collection object that contains the value(s) * stored in the specified column of this * CachedRowSetImpl * object * @throws SQLException if an error occurs generated the collection; or * an invalid column is provided. * @see #toCollection() * @see #toCollection(String) * @see java.util.Vector */ public Collection toCollection(int column) throws SQLException { int nRows = numRows; Vector vec = new Vector<>(nRows); // create a copy CachedRowSetImpl crsTemp; crsTemp = (CachedRowSetImpl) this.createCopy(); while(nRows!=0) { crsTemp.next(); vec.add(crsTemp.getObject(column)); nRows--; } return (Collection)vec; } /** * Returns the specified column of this CachedRowSetImpl object * as a Collection object. This method makes a copy of the * column's data and utilitizes the Vector to establish the * collection. The Vector class implements a growable array * objects allowing the individual components to be accessed using an * an integer index similar to that of an array. * * @return a Collection object that contains the value(s) * stored in the specified column of this * CachedRowSetImpl * object * @throws SQLException if an error occurs generated the collection; or * an invalid column is provided. * @see #toCollection() * @see #toCollection(int) * @see java.util.Vector */ public Collection toCollection(String column) throws SQLException { return toCollection(getColIdxByName(column)); } //-------------------------------------------------------------------- // Advanced features //-------------------------------------------------------------------- /** * Returns the SyncProvider implementation being used * with this CachedRowSetImpl implementation rowset. * * @return the SyncProvider used by the rowset. If not provider was * set when the rowset was instantiated, the reference * implementation (default) provider is returned. * @throws SQLException if error occurs while return the * SyncProvider instance. */ public SyncProvider getSyncProvider() throws SQLException { return provider; } /** * Sets the active SyncProvider and attempts to load * load the new provider using the SyncFactory SPI. * * @throws SQLException if an error occurs while resetting the * SyncProvider. */ public void setSyncProvider(String providerStr) throws SQLException { provider = (SyncProvider)SyncFactory.getInstance(providerStr); rowSetReader = provider.getRowSetReader(); rowSetWriter = provider.getRowSetWriter(); } //----------------- // methods inherited from RowSet //----------------- //--------------------------------------------------------------------- // Reading and writing data //--------------------------------------------------------------------- /** * Populates this CachedRowSetImpl object with data. * This form of the method uses the rowset's user, password, and url or * data source name properties to create a database * connection. If properties that are needed * have not been set, this method will throw an exception. *

* Another form of this method uses an existing JDBC Connection * object instead of creating a new one; therefore, it ignores the * properties used for establishing a new connection. *

* The query specified by the command property is executed to create a * ResultSet object from which to retrieve data. * The current contents of the rowset are discarded, and the * rowset's metadata is also (re)set. If there are outstanding updates, * they are also ignored. *

* The method execute closes any database connections that it * creates. * * @throws SQLException if an error occurs or the * necessary properties have not been set */ public void execute() throws SQLException { execute(null); } //----------------------------------- // Methods inherited from ResultSet //----------------------------------- /** * Moves the cursor down one row from its current position and * returns true if the new cursor position is a * valid row. * The cursor for a new ResultSet object is initially * positioned before the first row. The first call to the method * next moves the cursor to the first row, making it * the current row; the second call makes the second row the * current row, and so on. * *

If an input stream from the previous row is open, it is * implicitly closed. The ResultSet object's warning * chain is cleared when a new row is read. * * @return true if the new current row is valid; * false if there are no more rows * @throws SQLException if an error occurs or * the cursor is not positioned in the rowset, before * the first row, or after the last row */ public boolean next() throws SQLException { /* * make sure things look sane. The cursor must be * positioned in the rowset or before first (0) or * after last (numRows + 1) */ if (cursorPos < 0 || cursorPos >= numRows + 1) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.invalidcp").toString()); } // now move and notify boolean ret = this.internalNext(); notifyCursorMoved(); return ret; } /** * Moves this CachedRowSetImpl object's cursor to the next * row and returns true if the cursor is still in the rowset; * returns false if the cursor has moved to the position after * the last row. *

* This method handles the cases where the cursor moves to a row that * has been deleted. * If this rowset shows deleted rows and the cursor moves to a row * that has been deleted, this method moves the cursor to the next * row until the cursor is on a row that has not been deleted. *

* The method internalNext is called by methods such as * next, absolute, and relative, * and, as its name implies, is only called internally. *

* This is a implementation only method and is not required as a standard * implementation of the CachedRowSet interface. * * @return true if the cursor is on a valid row in this * rowset; false if it is after the last row * @throws SQLException if an error occurs */ protected boolean internalNext() throws SQLException { boolean ret = false; do { if (cursorPos < numRows) { ++cursorPos; ret = true; } else if (cursorPos == numRows) { // increment to after last ++cursorPos; ret = false; break; } } while ((getShowDeleted() == false) && (rowDeleted() == true)); /* each call to internalNext may increment cursorPos multiple * times however, the absolutePos only increments once per call. */ if (ret == true) absolutePos++; else absolutePos = 0; return ret; } /** * Closes this CachedRowSetImpl objecy and releases any resources * it was using. * * @throws SQLException if an error occurs when releasing any resources in use * by this CachedRowSetImpl object */ public void close() throws SQLException { // close all data structures holding // the disconnected rowset cursorPos = 0; absolutePos = 0; numRows = 0; numDeleted = 0; // set all insert(s), update(s) & delete(s), // if at all, to their initial values. initProperties(); // clear the vector of it's present contents rvh.clear(); // this will make it eligible for gc // rvh = null; } /** * Reports whether the last column read was SQL NULL. * Note that you must first call the method getXXX * on a column to try to read its value and then call the method * wasNull to determine whether the value was * SQL NULL. * * @return true if the value in the last column read * was SQL NULL; false otherwise * @throws SQLException if an error occurs */ public boolean wasNull() throws SQLException { return lastValueNull; } /** * Sets the field lastValueNull to the given * boolean value. * * @param value true to indicate that the value of * the last column read was SQL NULL; * false to indicate that it was not */ private void setLastValueNull(boolean value) { lastValueNull = value; } // Methods for accessing results by column index /** * Checks to see whether the given index is a valid column number * in this CachedRowSetImpl object and throws * an SQLException if it is not. The index is out of bounds * if it is less than 1 or greater than the number of * columns in this rowset. *

* This method is called internally by the getXXX and * updateXXX methods. * * @param idx the number of a column in this CachedRowSetImpl * object; must be between 1 and the number of * rows in this rowset * @throws SQLException if the given index is out of bounds */ private void checkIndex(int idx) throws SQLException { if (idx < 1 || idx > RowSetMD.getColumnCount()) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.invalidcol").toString()); } } /** * Checks to see whether the cursor for this CachedRowSetImpl * object is on a row in the rowset and throws an * SQLException if it is not. *

* This method is called internally by getXXX methods, by * updateXXX methods, and by methods that update, insert, * or delete a row or that cancel a row update, insert, or delete. * * @throws SQLException if the cursor for this CachedRowSetImpl * object is not on a valid row */ private void checkCursor() throws SQLException { if (isAfterLast() == true || isBeforeFirst() == true) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.invalidcp").toString()); } } /** * Returns the column number of the column with the given name in this * CachedRowSetImpl object. This method throws an * SQLException if the given name is not the name of * one of the columns in this rowset. * * @param name a String object that is the name of a column in * this CachedRowSetImpl object * @throws SQLException if the given name does not match the name of one of * the columns in this rowset */ private int getColIdxByName(String name) throws SQLException { RowSetMD = (RowSetMetaDataImpl)this.getMetaData(); int cols = RowSetMD.getColumnCount(); for (int i=1; i <= cols; ++i) { String colName = RowSetMD.getColumnName(i); if (colName != null) if (name.equalsIgnoreCase(colName)) return (i); else continue; } throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.invalcolnm").toString()); } /** * Returns the insert row or the current row of this * CachedRowSetImplobject. * * @return the Row object on which this CachedRowSetImpl * objects's cursor is positioned */ protected BaseRow getCurrentRow() { if (onInsertRow == true) { return (BaseRow)insertRow; } else { return (BaseRow)(rvh.get(cursorPos - 1)); } } /** * Removes the row on which the cursor is positioned. *

* This is a implementation only method and is not required as a standard * implementation of the CachedRowSet interface. * * @throws SQLException if the cursor is positioned on the insert * row */ protected void removeCurrentRow() { ((Row)getCurrentRow()).setDeleted(); rvh.remove(cursorPos - 1); --numRows; } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a * String object. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @return the column value; if the value is SQL NULL, the * result is null * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL TINYINT, SMALLINT, INTEGER, BIGINT, REAL, * FLOAT, DOUBLE, DECIMAL, NUMERIC, BIT, CHAR, VARCHAR * or LONGVARCHAR value. The bold SQL type designates the * recommended return type. */ public String getString(int columnIndex) throws SQLException { Object value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return null; } return value.toString(); } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a * boolean value. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @return the column value as a boolean in the Java progamming language; * if the value is SQL NULL, the result is false * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL BOOLEAN value * @see #getBoolean(String) */ public boolean getBoolean(int columnIndex) throws SQLException { Object value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return false; } // check for Boolean... if (value instanceof Boolean) { return ((Boolean)value).booleanValue(); } // convert to a Double and compare to zero try { Double d = new Double(value.toString()); if (d.compareTo(new Double((double)0)) == 0) { return false; } else { return true; } } catch (NumberFormatException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.boolfail").toString(), new Object[] {value.toString().trim(), columnIndex})); } } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a * byte value. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @return the column value as a byte in the Java programming * language; if the value is SQL NULL, the result is 0 * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL TINYINT, SMALLINT, INTEGER, BIGINT, REAL, * FLOAT, DOUBLE, DECIMAL, NUMERIC, BIT, CHAR, VARCHAR * or LONGVARCHAR value. The bold SQL type * designates the recommended return type. * @see #getByte(String) */ public byte getByte(int columnIndex) throws SQLException { Object value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return (byte)0; } try { return ((Byte.valueOf(value.toString())).byteValue()); } catch (NumberFormatException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.bytefail").toString(), new Object[] {value.toString().trim(), columnIndex})); } } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a * short value. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @return the column value; if the value is SQL NULL, the * result is 0 * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL TINYINT, SMALLINT, INTEGER, BIGINT, REAL * FLOAT, DOUBLE, DECIMAL, NUMERIC, BIT, CHAR, VARCHAR * or LONGVARCHAR value. The bold SQL type designates the * recommended return type. * @see #getShort(String) */ public short getShort(int columnIndex) throws SQLException { Object value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return (short)0; } try { return ((Short.valueOf(value.toString().trim())).shortValue()); } catch (NumberFormatException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.shortfail").toString(), new Object[] {value.toString().trim(), columnIndex})); } } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as an * int value. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @return the column value; if the value is SQL NULL, the * result is 0 * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL TINYINT, SMALLINT, INTEGER, BIGINT, REAL * FLOAT, DOUBLE, DECIMAL, NUMERIC, BIT, CHAR, VARCHAR * or LONGVARCHAR value. The bold SQL type designates the * recommended return type. */ public int getInt(int columnIndex) throws SQLException { Object value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return (int)0; } try { return ((Integer.valueOf(value.toString().trim())).intValue()); } catch (NumberFormatException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.intfail").toString(), new Object[] {value.toString().trim(), columnIndex})); } } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a * long value. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @return the column value; if the value is SQL NULL, the * result is 0 * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL TINYINT, SMALLINT, INTEGER, BIGINT, REAL * FLOAT, DOUBLE, DECIMAL, NUMERIC, BIT, CHAR, VARCHAR * or LONGVARCHAR value. The bold SQL type designates the * recommended return type. * @see #getLong(String) */ public long getLong(int columnIndex) throws SQLException { Object value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return (long)0; } try { return ((Long.valueOf(value.toString().trim())).longValue()); } catch (NumberFormatException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.longfail").toString(), new Object[] {value.toString().trim(), columnIndex})); } } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a * float value. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @return the column value; if the value is SQL NULL, the * result is 0 * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL TINYINT, SMALLINT, INTEGER, BIGINT, REAL, * FLOAT, DOUBLE, DECIMAL, NUMERIC, BIT, CHAR, VARCHAR * or LONGVARCHAR value. The bold SQL type designates the * recommended return type. * @see #getFloat(String) */ public float getFloat(int columnIndex) throws SQLException { Object value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return (float)0; } try { return ((new Float(value.toString())).floatValue()); } catch (NumberFormatException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.floatfail").toString(), new Object[] {value.toString().trim(), columnIndex})); } } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a * double value. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @return the column value; if the value is SQL NULL, the * result is 0 * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL TINYINT, SMALLINT, INTEGER, BIGINT, REAL, * FLOAT, DOUBLE, DECIMAL, NUMERIC, BIT, CHAR, VARCHAR * or LONGVARCHAR value. The bold SQL type designates the * recommended return type. * @see #getDouble(String) * */ public double getDouble(int columnIndex) throws SQLException { Object value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return (double)0; } try { return ((new Double(value.toString().trim())).doubleValue()); } catch (NumberFormatException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.doublefail").toString(), new Object[] {value.toString().trim(), columnIndex})); } } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a * java.math.BigDecimal object. *

* This method is deprecated; use the version of getBigDecimal * that does not take a scale parameter and returns a value with full * precision. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @param scale the number of digits to the right of the decimal point in the * value returned * @return the column value with the specified number of digits to the right * of the decimal point; if the value is SQL NULL, the * result is null * @throws SQLException if the given column index is out of bounds, * the cursor is not on a valid row, or this method fails * @deprecated */ public BigDecimal getBigDecimal(int columnIndex, int scale) throws SQLException { Object value; BigDecimal bDecimal, retVal; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return (new BigDecimal(0)); } bDecimal = this.getBigDecimal(columnIndex); retVal = bDecimal.setScale(scale); return retVal; } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a * byte array value. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @return the column value as a byte array in the Java programming * language; if the value is SQL NULL, the * result is null * * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL BINARY, VARBINARY or * LONGVARBINARY value. * The bold SQL type designates the recommended return type. * @see #getBytes(String) */ public byte[] getBytes(int columnIndex) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); if (isBinary(RowSetMD.getColumnType(columnIndex)) == false) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } return (byte[])(getCurrentRow().getColumnObject(columnIndex)); } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a * java.sql.Date object. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @return the column value as a java.sql.Data object; if * the value is SQL NULL, the * result is null * @throws SQLException if the given column index is out of bounds, * the cursor is not on a valid row, or this method fails */ public java.sql.Date getDate(int columnIndex) throws SQLException { Object value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return null; } /* * The object coming back from the db could be * a date, a timestamp, or a char field variety. * If it's a date type return it, a timestamp * we turn into a long and then into a date, * char strings we try to parse. Yuck. */ switch (RowSetMD.getColumnType(columnIndex)) { case java.sql.Types.DATE: { long sec = ((java.sql.Date)value).getTime(); return new java.sql.Date(sec); } case java.sql.Types.TIMESTAMP: { long sec = ((java.sql.Timestamp)value).getTime(); return new java.sql.Date(sec); } case java.sql.Types.CHAR: case java.sql.Types.VARCHAR: case java.sql.Types.LONGVARCHAR: { try { DateFormat df = DateFormat.getDateInstance(); return ((java.sql.Date)(df.parse(value.toString()))); } catch (ParseException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.datefail").toString(), new Object[] {value.toString().trim(), columnIndex})); } } default: { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.datefail").toString(), new Object[] {value.toString().trim(), columnIndex})); } } } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a * java.sql.Time object. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @return the column value; if the value is SQL NULL, the * result is null * @throws SQLException if the given column index is out of bounds, * the cursor is not on a valid row, or this method fails */ public java.sql.Time getTime(int columnIndex) throws SQLException { Object value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return null; } /* * The object coming back from the db could be * a date, a timestamp, or a char field variety. * If it's a date type return it, a timestamp * we turn into a long and then into a date, * char strings we try to parse. Yuck. */ switch (RowSetMD.getColumnType(columnIndex)) { case java.sql.Types.TIME: { return (java.sql.Time)value; } case java.sql.Types.TIMESTAMP: { long sec = ((java.sql.Timestamp)value).getTime(); return new java.sql.Time(sec); } case java.sql.Types.CHAR: case java.sql.Types.VARCHAR: case java.sql.Types.LONGVARCHAR: { try { DateFormat tf = DateFormat.getTimeInstance(); return ((java.sql.Time)(tf.parse(value.toString()))); } catch (ParseException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.timefail").toString(), new Object[] {value.toString().trim(), columnIndex})); } } default: { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.timefail").toString(), new Object[] {value.toString().trim(), columnIndex})); } } } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a * java.sql.Timestamp object. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @return the column value; if the value is SQL NULL, the * result is null * @throws SQLException if the given column index is out of bounds, * the cursor is not on a valid row, or this method fails */ public java.sql.Timestamp getTimestamp(int columnIndex) throws SQLException { Object value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return null; } /* * The object coming back from the db could be * a date, a timestamp, or a char field variety. * If it's a date type return it; a timestamp * we turn into a long and then into a date; * char strings we try to parse. Yuck. */ switch (RowSetMD.getColumnType(columnIndex)) { case java.sql.Types.TIMESTAMP: { return (java.sql.Timestamp)value; } case java.sql.Types.TIME: { long sec = ((java.sql.Time)value).getTime(); return new java.sql.Timestamp(sec); } case java.sql.Types.DATE: { long sec = ((java.sql.Date)value).getTime(); return new java.sql.Timestamp(sec); } case java.sql.Types.CHAR: case java.sql.Types.VARCHAR: case java.sql.Types.LONGVARCHAR: { try { DateFormat tf = DateFormat.getTimeInstance(); return ((java.sql.Timestamp)(tf.parse(value.toString()))); } catch (ParseException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.timefail").toString(), new Object[] {value.toString().trim(), columnIndex})); } } default: { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.timefail").toString(), new Object[] {value.toString().trim(), columnIndex})); } } } /** * Retrieves the value of the designated column in the current row of this * CachedRowSetImpl object as a java.io.InputStream * object. * * A column value can be retrieved as a stream of ASCII characters * and then read in chunks from the stream. This method is particularly * suitable for retrieving large LONGVARCHAR values. The JDBC * driver will do any necessary conversion from the database format into ASCII. * *

Note: All the data in the returned stream must be * read prior to getting the value of any other column. The next * call to a get method implicitly closes the stream. . Also, a * stream may return 0 for CachedRowSetImpl.available() * whether there is data available or not. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @return a Java input stream that delivers the database column value * as a stream of one-byte ASCII characters. If the value is SQL * NULL, the result is null. * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL CHAR, VARCHAR, LONGVARCHAR * BINARY, VARBINARY or LONGVARBINARY value. The * bold SQL type designates the recommended return types that this method is * used to retrieve. * @see #getAsciiStream(String) */ public java.io.InputStream getAsciiStream(int columnIndex) throws SQLException { Object value; // always free an old stream asciiStream = null; // sanity check checkIndex(columnIndex); //make sure the cursor is on a vlid row checkCursor(); value = getCurrentRow().getColumnObject(columnIndex); if (value == null) { lastValueNull = true; return null; } try { if (isString(RowSetMD.getColumnType(columnIndex))) { asciiStream = new ByteArrayInputStream(((String)value).getBytes("ASCII")); } else { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } } catch (java.io.UnsupportedEncodingException ex) { throw new SQLException(ex.getMessage()); } return (java.io.InputStream)asciiStream; } /** * A column value can be retrieved as a stream of Unicode characters * and then read in chunks from the stream. This method is particularly * suitable for retrieving large LONGVARCHAR values. The JDBC driver will * do any necessary conversion from the database format into Unicode. * *

Note: All the data in the returned stream must be * read prior to getting the value of any other column. The next * call to a get method implicitly closes the stream. . Also, a * stream may return 0 for available() whether there is data * available or not. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @return a Java input stream that delivers the database column value * as a stream of two byte Unicode characters. If the value is SQL NULL * then the result is null. * @throws SQLException if an error occurs * @deprecated */ public java.io.InputStream getUnicodeStream(int columnIndex) throws SQLException { // always free an old stream unicodeStream = null; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); if (isBinary(RowSetMD.getColumnType(columnIndex)) == false && isString(RowSetMD.getColumnType(columnIndex)) == false) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } Object value = getCurrentRow().getColumnObject(columnIndex); if (value == null) { lastValueNull = true; return null; } unicodeStream = new StringBufferInputStream(value.toString()); return (java.io.InputStream)unicodeStream; } /** * Retrieves the value of the designated column in the current row of this * CachedRowSetImpl object as a java.io.InputStream * object. *

* A column value can be retrieved as a stream of uninterpreted bytes * and then read in chunks from the stream. This method is particularly * suitable for retrieving large LONGVARBINARY values. * *

Note: All the data in the returned stream must be * read prior to getting the value of any other column. The next * call to a get method implicitly closes the stream. Also, a * stream may return 0 for * CachedRowSetImpl.available() whether there is data * available or not. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @return a Java input stream that delivers the database column value * as a stream of uninterpreted bytes. If the value is SQL NULL * then the result is null. * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL BINARY, VARBINARY or LONGVARBINARY * The bold type indicates the SQL type that this method is recommened * to retrieve. * @see #getBinaryStream(String) */ public java.io.InputStream getBinaryStream(int columnIndex) throws SQLException { // always free an old stream binaryStream = null; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); if (isBinary(RowSetMD.getColumnType(columnIndex)) == false) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } Object value = getCurrentRow().getColumnObject(columnIndex); if (value == null) { lastValueNull = true; return null; } binaryStream = new ByteArrayInputStream((byte[])value); return (java.io.InputStream)binaryStream; } // Methods for accessing results by column name /** * Retrieves the value stored in the designated column * of the current row as a String object. * * @param columnName a String object giving the SQL name of * a column in this CachedRowSetImpl object * @return the column value; if the value is SQL NULL, * the result is null * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL TINYINT, SMALLINT, INTEGER * BIGINT, REAL, FLOAT, DOUBLE, DECIMAL, NUMERIC, BIT, CHAR, * VARCHAR or LONGVARCHAR< value. The bold SQL type * designates the recommended return type. */ public String getString(String columnName) throws SQLException { return getString(getColIdxByName(columnName)); } /** * Retrieves the value stored in the designated column * of the current row as a boolean value. * * @param columnName a String object giving the SQL name of * a column in this CachedRowSetImpl object * @return the column value as a boolean in the Java programming * language; if the value is SQL NULL, * the result is false * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL BOOLEAN value * @see #getBoolean(int) */ public boolean getBoolean(String columnName) throws SQLException { return getBoolean(getColIdxByName(columnName)); } /** * Retrieves the value stored in the designated column * of the current row as a byte value. * * @param columnName a String object giving the SQL name of * a column in this CachedRowSetImpl object * @return the column value as a byte in the Java programming * language; if the value is SQL NULL, the result is 0 * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL TINYINT, SMALLINT, INTEGER, * BIGINT, REAL, FLOAT, DOUBLE, DECIMAL, NUMERIC, BIT, CHAR, * VARCHAR or LONGVARCHAR value. The * bold type designates the recommended return type */ public byte getByte(String columnName) throws SQLException { return getByte(getColIdxByName(columnName)); } /** * Retrieves the value stored in the designated column * of the current row as a short value. * * @param columnName a String object giving the SQL name of * a column in this CachedRowSetImpl object * @return the column value; if the value is SQL NULL, * the result is 0 * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL TINYINT, SMALLINT, INTEGER * BIGINT, REAL, FLOAT, DOUBLE, DECIMAL, NUMERIC, BIT, CHAR, * VARCHAR or LONGVARCHAR value. The bold SQL type * designates the recommended return type. * @see #getShort(int) */ public short getShort(String columnName) throws SQLException { return getShort(getColIdxByName(columnName)); } /** * Retrieves the value stored in the designated column * of the current row as an int value. * * @param columnName a String object giving the SQL name of * a column in this CachedRowSetImpl object * @return the column value; if the value is SQL NULL, * the result is 0 * @throws SQLException if (1) the given column name is not the name * of a column in this rowset, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL TINYINT, SMALLINT, INTEGER, BIGINT, REAL * FLOAT, DOUBLE, DECIMAL, NUMERIC, BIT, CHAR, VARCHAR * or LONGVARCHAR value. The bold SQL type designates the * recommended return type. */ public int getInt(String columnName) throws SQLException { return getInt(getColIdxByName(columnName)); } /** * Retrieves the value stored in the designated column * of the current row as a long value. * * @param columnName a String object giving the SQL name of * a column in this CachedRowSetImpl object * @return the column value; if the value is SQL NULL, * the result is 0 * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL TINYINT, SMALLINT, INTEGER * BIGINT, REAL, FLOAT, DOUBLE, DECIMAL, NUMERIC, BIT, CHAR, * VARCHAR or LONGVARCHAR value. The bold SQL type * designates the recommended return type. * @see #getLong(int) */ public long getLong(String columnName) throws SQLException { return getLong(getColIdxByName(columnName)); } /** * Retrieves the value stored in the designated column * of the current row as a float value. * * @param columnName a String object giving the SQL name of * a column in this CachedRowSetImpl object * @return the column value; if the value is SQL NULL, * the result is 0 * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL TINYINT, SMALLINT, INTEGER * BIGINT, REAL, FLOAT, DOUBLE, DECIMAL, NUMERIC, BIT, CHAR, * VARCHAR or LONGVARCHAR value. The bold SQL type * designates the recommended return type. * @see #getFloat(String) */ public float getFloat(String columnName) throws SQLException { return getFloat(getColIdxByName(columnName)); } /** * Retrieves the value stored in the designated column * of the current row of this CachedRowSetImpl object * as a double value. * * @param columnName a String object giving the SQL name of * a column in this CachedRowSetImpl object * @return the column value; if the value is SQL NULL, * the result is 0 * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL TINYINT, SMALLINT, INTEGER * BIGINT, REAL, FLOAT, DOUBLE, DECIMAL, NUMERIC, BIT, CHAR, * VARCHAR or LONGVARCHAR value. The bold SQL type * designates the recommended return types. * @see #getDouble(int) */ public double getDouble(String columnName) throws SQLException { return getDouble(getColIdxByName(columnName)); } /** * Retrieves the value stored in the designated column * of the current row as a java.math.BigDecimal object. * * @param columnName a String object giving the SQL name of * a column in this CachedRowSetImpl object * @param scale the number of digits to the right of the decimal point * @return a java.math.BugDecimal object with scale * number of digits to the right of the decimal point. * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL TINYINT, SMALLINT, INTEGER * BIGINT, REAL, FLOAT, DOUBLE, DECIMAL, NUMERIC, BIT CHAR, * VARCHAR or LONGVARCHAR value. The bold SQL type * designates the recommended return type that this method is used to * retrieve. * @deprecated Use the getBigDecimal(String columnName) * method instead */ public BigDecimal getBigDecimal(String columnName, int scale) throws SQLException { return getBigDecimal(getColIdxByName(columnName), scale); } /** * Retrieves the value stored in the designated column * of the current row as a byte array. * The bytes represent the raw values returned by the driver. * * @param columnName a String object giving the SQL name of * a column in this CachedRowSetImpl object * @return the column value as a byte array in the Java programming * language; if the value is SQL NULL, the result is null * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL BINARY, VARBINARY * or LONGVARBINARY values * The bold SQL type designates the recommended return type. * @see #getBytes(int) */ public byte[] getBytes(String columnName) throws SQLException { return getBytes(getColIdxByName(columnName)); } /** * Retrieves the value stored in the designated column * of the current row as a java.sql.Date object. * * @param columnName a String object giving the SQL name of * a column in this CachedRowSetImpl object * @return the column value; if the value is SQL NULL, * the result is null * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL DATE or * TIMESTAMP value */ public java.sql.Date getDate(String columnName) throws SQLException { return getDate(getColIdxByName(columnName)); } /** * Retrieves the value stored in the designated column * of the current row as a java.sql.Time object. * * @param columnName a String object giving the SQL name of * a column in this CachedRowSetImpl object * @return the column value; if the value is SQL NULL, * the result is null * @throws SQLException if the given column name does not match one of * this rowset's column names or the cursor is not on one of * this rowset's rows or its insert row */ public java.sql.Time getTime(String columnName) throws SQLException { return getTime(getColIdxByName(columnName)); } /** * Retrieves the value stored in the designated column * of the current row as a java.sql.Timestamp object. * * @param columnName a String object giving the SQL name of * a column in this CachedRowSetImpl object * @return the column value; if the value is SQL NULL, * the result is null * @throws SQLException if the given column name does not match one of * this rowset's column names or the cursor is not on one of * this rowset's rows or its insert row */ public java.sql.Timestamp getTimestamp(String columnName) throws SQLException { return getTimestamp(getColIdxByName(columnName)); } /** * Retrieves the value of the designated column in the current row of this * CachedRowSetImpl object as a java.io.InputStream * object. * * A column value can be retrieved as a stream of ASCII characters * and then read in chunks from the stream. This method is particularly * suitable for retrieving large LONGVARCHAR values. The * SyncProvider will rely on the JDBC driver to do any necessary * conversion from the database format into ASCII format. * *

Note: All the data in the returned stream must * be read prior to getting the value of any other column. The * next call to a getXXX method implicitly closes the stream. * * @param columnName a String object giving the SQL name of * a column in this CachedRowSetImpl object * @return a Java input stream that delivers the database column value * as a stream of one-byte ASCII characters. If the value is SQL * NULL, the result is null. * @throws SQLException if (1) the given column name is not the name of * a column in this rowset * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL CHAR, VARCHAR, LONGVARCHAR * BINARY, VARBINARY or LONGVARBINARY value. The * bold SQL type designates the recommended return types that this method is * used to retrieve. * @see #getAsciiStream(int) */ public java.io.InputStream getAsciiStream(String columnName) throws SQLException { return getAsciiStream(getColIdxByName(columnName)); } /** * A column value can be retrieved as a stream of Unicode characters * and then read in chunks from the stream. This method is particularly * suitable for retrieving large LONGVARCHAR values. * The JDBC driver will do any necessary conversion from the database * format into Unicode. * *

Note: All the data in the returned stream must * be read prior to getting the value of any other column. The * next call to a getXXX method implicitly closes the stream. * * @param columnName a String object giving the SQL name of * a column in this CachedRowSetImpl object * @return a Java input stream that delivers the database column value * as a stream of two-byte Unicode characters. If the value is * SQL NULL, the result is null. * @throws SQLException if the given column name does not match one of * this rowset's column names or the cursor is not on one of * this rowset's rows or its insert row * @deprecated use the method getCharacterStream instead */ public java.io.InputStream getUnicodeStream(String columnName) throws SQLException { return getUnicodeStream(getColIdxByName(columnName)); } /** * Retrieves the value of the designated column in the current row of this * CachedRowSetImpl object as a java.io.InputStream * object. *

* A column value can be retrieved as a stream of uninterpreted bytes * and then read in chunks from the stream. This method is particularly * suitable for retrieving large LONGVARBINARY values. * *

Note: All the data in the returned stream must be * read prior to getting the value of any other column. The next * call to a get method implicitly closes the stream. Also, a * stream may return 0 for CachedRowSetImpl.available() * whether there is data available or not. * * @param columnName a String object giving the SQL name of * a column in this CachedRowSetImpl object * @return a Java input stream that delivers the database column value * as a stream of uninterpreted bytes. If the value is SQL * NULL, the result is null. * @throws SQLException if (1) the given column name is unknown, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL BINARY, VARBINARY or LONGVARBINARY * The bold type indicates the SQL type that this method is recommened * to retrieve. * @see #getBinaryStream(int) * */ public java.io.InputStream getBinaryStream(String columnName) throws SQLException { return getBinaryStream(getColIdxByName(columnName)); } // Advanced features: /** * The first warning reported by calls on this CachedRowSetImpl * object is returned. Subsequent CachedRowSetImpl warnings will * be chained to this SQLWarning. * *

The warning chain is automatically cleared each time a new * row is read. * *

Note: This warning chain only covers warnings caused * by ResultSet methods. Any warning caused by statement * methods (such as reading OUT parameters) will be chained on the * Statement object. * * @return the first SQLWarning or null */ public SQLWarning getWarnings() { return sqlwarn; } /** * Clears all the warnings reporeted for the CachedRowSetImpl * object. After a call to this method, the getWarnings method * returns null until a new warning is reported for this * CachedRowSetImpl object. */ public void clearWarnings() { sqlwarn = null; } /** * Retrieves the name of the SQL cursor used by this * CachedRowSetImpl object. * *

In SQL, a result table is retrieved through a cursor that is * named. The current row of a ResultSet can be updated or deleted * using a positioned update/delete statement that references the * cursor name. To ensure that the cursor has the proper isolation * level to support an update operation, the cursor's SELECT * statement should be of the form select for update. * If the for update clause * is omitted, positioned updates may fail. * *

JDBC supports this SQL feature by providing the name of the * SQL cursor used by a ResultSet object. The current row * of a result set is also the current row of this SQL cursor. * *

Note: If positioned updates are not supported, an * SQLException is thrown. * * @return the SQL cursor name for this CachedRowSetImpl object's * cursor * @throws SQLException if an error occurs */ public String getCursorName() throws SQLException { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.posupdate").toString()); } /** * Retrieves a ResultSetMetaData object instance that * contains information about the CachedRowSet object. * However, applications should cast the returned object to a * RowSetMetaData interface implementation. In the * reference implementation, this cast can be done on the * RowSetMetaDataImpl class. *

* For example: *

     * CachedRowSet crs = new CachedRowSetImpl();
     * RowSetMetaDataImpl metaData =
     *     (RowSetMetaDataImpl)crs.getMetaData();
     * // Set the number of columns in the RowSet object for
     * // which this RowSetMetaDataImpl object was created to the
     * // given number.
     * metaData.setColumnCount(3);
     * crs.setMetaData(metaData);
     * 
* * @return the ResultSetMetaData object that describes this * CachedRowSetImpl object's columns * @throws SQLException if an error occurs in generating the RowSet * meta data; or if the CachedRowSetImpl is empty. * @see javax.sql.RowSetMetaData */ public ResultSetMetaData getMetaData() throws SQLException { return (ResultSetMetaData)RowSetMD; } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as an * Object value. *

* The type of the Object will be the default * Java object type corresponding to the column's SQL type, * following the mapping for built-in types specified in the JDBC 3.0 * specification. *

* This method may also be used to read datatabase-specific * abstract data types. *

* This implementation of the method getObject extends its * behavior so that it gets the attributes of an SQL structured type * as an array of Object values. This method also custom * maps SQL user-defined types to classes in the Java programming language. * When the specified column contains * a structured or distinct value, the behavior of this method is as * if it were a call to the method getObject(columnIndex, * this.getStatement().getConnection().getTypeMap()). * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @return a java.lang.Object holding the column value; * if the value is SQL NULL, the result is null * @throws SQLException if the given column index is out of bounds, * the cursor is not on a valid row, or there is a problem getting * the Class object for a custom mapping * @see #getObject(String) */ public Object getObject(int columnIndex) throws SQLException { Object value; Map> map; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return null; } if (value instanceof Struct) { Struct s = (Struct)value; map = getTypeMap(); // look up the class in the map Class c = (Class)map.get(s.getSQLTypeName()); if (c != null) { // create new instance of the class SQLData obj = null; try { obj = (SQLData)c.newInstance(); } catch (java.lang.InstantiationException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.unableins").toString(), ex.getMessage())); } catch (java.lang.IllegalAccessException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.unableins").toString(), ex.getMessage())); } // get the attributes from the struct Object attribs[] = s.getAttributes(map); // create the SQLInput "stream" SQLInputImpl sqlInput = new SQLInputImpl(attribs, map); // read the values... obj.readSQL(sqlInput, s.getSQLTypeName()); return (Object)obj; } } return value; } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as an * Object value. *

* The type of the Object will be the default * Java object type corresponding to the column's SQL type, * following the mapping for built-in types specified in the JDBC 3.0 * specification. *

* This method may also be used to read datatabase-specific * abstract data types. *

* This implementation of the method getObject extends its * behavior so that it gets the attributes of an SQL structured type * as an array of Object values. This method also custom * maps SQL user-defined types to classes * in the Java programming language. When the specified column contains * a structured or distinct value, the behavior of this method is as * if it were a call to the method getObject(columnIndex, * this.getStatement().getConnection().getTypeMap()). * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @return a java.lang.Object holding the column value; * if the value is SQL NULL, the result is null * @throws SQLException if (1) the given column name does not match one of * this rowset's column names, (2) the cursor is not * on a valid row, or (3) there is a problem getting * the Class object for a custom mapping * @see #getObject(int) */ public Object getObject(String columnName) throws SQLException { return getObject(getColIdxByName(columnName)); } //---------------------------------------------------------------- /** * Maps the given column name for one of this CachedRowSetImpl * object's columns to its column number. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @return the column index of the given column name * @throws SQLException if the given column name does not match one * of this rowset's column names */ public int findColumn(String columnName) throws SQLException { return getColIdxByName(columnName); } //--------------------------JDBC 2.0----------------------------------- //--------------------------------------------------------------------- // Getter's and Setter's //--------------------------------------------------------------------- /** * Retrieves the value stored in the designated column * of the current row as a java.io.Reader object. * *

Note: All the data in the returned stream must * be read prior to getting the value of any other column. The * next call to a getXXX method implicitly closes the stream. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @return a Java character stream that delivers the database column value * as a stream of two-byte unicode characters in a * java.io.Reader object. If the value is * SQL NULL, the result is null. * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL CHAR, VARCHAR, LONGVARCHAR, BINARY, VARBINARY or * LONGVARBINARY value. * The bold SQL type designates the recommended return type. * @see #getCharacterStream(String) */ public java.io.Reader getCharacterStream(int columnIndex) throws SQLException{ // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); if (isBinary(RowSetMD.getColumnType(columnIndex))) { Object value = getCurrentRow().getColumnObject(columnIndex); if (value == null) { lastValueNull = true; return null; } charStream = new InputStreamReader (new ByteArrayInputStream((byte[])value)); } else if (isString(RowSetMD.getColumnType(columnIndex))) { Object value = getCurrentRow().getColumnObject(columnIndex); if (value == null) { lastValueNull = true; return null; } charStream = new StringReader(value.toString()); } else { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } return (java.io.Reader)charStream; } /** * Retrieves the value stored in the designated column * of the current row as a java.io.Reader object. * *

Note: All the data in the returned stream must * be read prior to getting the value of any other column. The * next call to a getXXX method implicitly closes the stream. * * @param columnName a String object giving the SQL name of * a column in this CachedRowSetImpl object * @return a Java input stream that delivers the database column value * as a stream of two-byte Unicode characters. If the value is * SQL NULL, the result is null. * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL CHAR, VARCHAR, LONGVARCHAR, * BINARY, VARYBINARY or LONGVARBINARY value. * The bold SQL type designates the recommended return type. */ public java.io.Reader getCharacterStream(String columnName) throws SQLException { return getCharacterStream(getColIdxByName(columnName)); } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a * java.math.BigDecimal object. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @return a java.math.BigDecimal value with full precision; * if the value is SQL NULL, the result is null * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL TINYINT, SMALLINT, INTEGER, BIGINT, REAL, * FLOAT, DOUBLE, DECIMAL, NUMERIC, BIT, CHAR, VARCHAR * or LONGVARCHAR value. The bold SQL type designates the * recommended return types that this method is used to retrieve. * @see #getBigDecimal(String) */ public BigDecimal getBigDecimal(int columnIndex) throws SQLException { Object value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return null; } try { return (new BigDecimal(value.toString().trim())); } catch (NumberFormatException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.doublefail").toString(), new Object[] {value.toString().trim(), columnIndex})); } } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a * java.math.BigDecimal object. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @return a java.math.BigDecimal value with full precision; * if the value is SQL NULL, the result is null * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL TINYINT, SMALLINT, INTEGER * BIGINT, REAL, FLOAT, DOUBLE, DECIMAL, NUMERIC, BIT CHAR, * VARCHAR or LONGVARCHAR value. The bold SQL type * designates the recommended return type that this method is used to * retrieve * @see #getBigDecimal(int) */ public BigDecimal getBigDecimal(String columnName) throws SQLException { return getBigDecimal(getColIdxByName(columnName)); } //--------------------------------------------------------------------- // Traversal/Positioning //--------------------------------------------------------------------- /** * Returns the number of rows in this CachedRowSetImpl object. * * @return number of rows in the rowset */ public int size() { return numRows; } /** * Indicates whether the cursor is before the first row in this * CachedRowSetImpl object. * * @return true if the cursor is before the first row; * false otherwise or if the rowset contains no rows * @throws SQLException if an error occurs */ public boolean isBeforeFirst() throws SQLException { if (cursorPos == 0 && numRows > 0) { return true; } else { return false; } } /** * Indicates whether the cursor is after the last row in this * CachedRowSetImpl object. * * @return true if the cursor is after the last row; * false otherwise or if the rowset contains no rows * @throws SQLException if an error occurs */ public boolean isAfterLast() throws SQLException { if (cursorPos == numRows+1 && numRows > 0) { return true; } else { return false; } } /** * Indicates whether the cursor is on the first row in this * CachedRowSetImpl object. * * @return true if the cursor is on the first row; * false otherwise or if the rowset contains no rows * @throws SQLException if an error occurs */ public boolean isFirst() throws SQLException { // this becomes nasty because of deletes. int saveCursorPos = cursorPos; int saveAbsoluteCursorPos = absolutePos; internalFirst(); if (cursorPos == saveCursorPos) { return true; } else { cursorPos = saveCursorPos; absolutePos = saveAbsoluteCursorPos; return false; } } /** * Indicates whether the cursor is on the last row in this * CachedRowSetImpl object. *

* Note: Calling the method isLast may be expensive * because the JDBC driver might need to fetch ahead one row in order * to determine whether the current row is the last row in this rowset. * * @return true if the cursor is on the last row; * false otherwise or if this rowset contains no rows * @throws SQLException if an error occurs */ public boolean isLast() throws SQLException { int saveCursorPos = cursorPos; int saveAbsoluteCursorPos = absolutePos; boolean saveShowDeleted = getShowDeleted(); setShowDeleted(true); internalLast(); if (cursorPos == saveCursorPos) { setShowDeleted(saveShowDeleted); return true; } else { setShowDeleted(saveShowDeleted); cursorPos = saveCursorPos; absolutePos = saveAbsoluteCursorPos; return false; } } /** * Moves this CachedRowSetImpl object's cursor to the front of * the rowset, just before the first row. This method has no effect if * this rowset contains no rows. * * @throws SQLException if an error occurs or the type of this rowset * is ResultSet.TYPE_FORWARD_ONLY */ public void beforeFirst() throws SQLException { if (getType() == ResultSet.TYPE_FORWARD_ONLY) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.beforefirst").toString()); } cursorPos = 0; absolutePos = 0; notifyCursorMoved(); } /** * Moves this CachedRowSetImpl object's cursor to the end of * the rowset, just after the last row. This method has no effect if * this rowset contains no rows. * * @throws SQLException if an error occurs */ public void afterLast() throws SQLException { if (numRows > 0) { cursorPos = numRows + 1; absolutePos = 0; notifyCursorMoved(); } } /** * Moves this CachedRowSetImpl object's cursor to the first row * and returns true if the operation was successful. This * method also notifies registered listeners that the cursor has moved. * * @return true if the cursor is on a valid row; * false otherwise or if there are no rows in this * CachedRowSetImpl object * @throws SQLException if the type of this rowset * is ResultSet.TYPE_FORWARD_ONLY */ public boolean first() throws SQLException { if(getType() == ResultSet.TYPE_FORWARD_ONLY) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.first").toString()); } // move and notify boolean ret = this.internalFirst(); notifyCursorMoved(); return ret; } /** * Moves this CachedRowSetImpl object's cursor to the first * row and returns true if the operation is successful. *

* This method is called internally by the methods first, * isFirst, and absolute. * It in turn calls the method internalNext in order to * handle the case where the first row is a deleted row that is not visible. *

* This is a implementation only method and is not required as a standard * implementation of the CachedRowSet interface. * * @return true if the cursor moved to the first row; * false otherwise * @throws SQLException if an error occurs */ protected boolean internalFirst() throws SQLException { boolean ret = false; if (numRows > 0) { cursorPos = 1; if ((getShowDeleted() == false) && (rowDeleted() == true)) { ret = internalNext(); } else { ret = true; } } if (ret == true) absolutePos = 1; else absolutePos = 0; return ret; } /** * Moves this CachedRowSetImpl object's cursor to the last row * and returns true if the operation was successful. This * method also notifies registered listeners that the cursor has moved. * * @return true if the cursor is on a valid row; * false otherwise or if there are no rows in this * CachedRowSetImpl object * @throws SQLException if the type of this rowset * is ResultSet.TYPE_FORWARD_ONLY */ public boolean last() throws SQLException { if (getType() == ResultSet.TYPE_FORWARD_ONLY) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.last").toString()); } // move and notify boolean ret = this.internalLast(); notifyCursorMoved(); return ret; } /** * Moves this CachedRowSetImpl object's cursor to the last * row and returns true if the operation is successful. *

* This method is called internally by the method last * when rows have been deleted and the deletions are not visible. * The method internalLast handles the case where the * last row is a deleted row that is not visible by in turn calling * the method internalPrevious. *

* This is a implementation only method and is not required as a standard * implementation of the CachedRowSet interface. * * @return true if the cursor moved to the last row; * false otherwise * @throws SQLException if an error occurs */ protected boolean internalLast() throws SQLException { boolean ret = false; if (numRows > 0) { cursorPos = numRows; if ((getShowDeleted() == false) && (rowDeleted() == true)) { ret = internalPrevious(); } else { ret = true; } } if (ret == true) absolutePos = numRows - numDeleted; else absolutePos = 0; return ret; } /** * Returns the number of the current row in this CachedRowSetImpl * object. The first row is number 1, the second number 2, and so on. * * @return the number of the current row; 0 if there is no * current row * @throws SQLException if an error occurs; or if the CacheRowSetImpl * is empty */ public int getRow() throws SQLException { // are we on a valid row? Valid rows are between first and last if (numRows > 0 && cursorPos > 0 && cursorPos < (numRows + 1) && (getShowDeleted() == false && rowDeleted() == false)) { return absolutePos; } else if (getShowDeleted() == true) { return cursorPos; } else { return 0; } } /** * Moves this CachedRowSetImpl object's cursor to the row number * specified. * *

If the number is positive, the cursor moves to an absolute row with * respect to the beginning of the rowset. The first row is row 1, the second * is row 2, and so on. For example, the following command, in which * crs is a CachedRowSetImpl object, moves the cursor * to the fourth row, starting from the beginning of the rowset. *


     *
     *    crs.absolute(4);
     *
     *  
*

* If the number is negative, the cursor moves to an absolute row position * with respect to the end of the rowset. For example, calling * absolute(-1) positions the cursor on the last row, * absolute(-2) moves it on the next-to-last row, and so on. * If the CachedRowSetImpl object crs has five rows, * the following command moves the cursor to the fourth-to-last row, which * in the case of a rowset with five rows, is also the second row, counting * from the beginning. *


     *
     *    crs.absolute(-4);
     *
     *  
* * If the number specified is larger than the number of rows, the cursor * will move to the position after the last row. If the number specified * would move the cursor one or more rows before the first row, the cursor * moves to the position before the first row. *

* Note: Calling absolute(1) is the same as calling the * method first(). Calling absolute(-1) is the * same as calling last(). * * @param row a positive number to indicate the row, starting row numbering from * the first row, which is 1; a negative number to indicate * the row, starting row numbering from the last row, which is * -1; it must not be 0 * @return true if the cursor is on the rowset; false * otherwise * @throws SQLException if the given cursor position is 0 or the * type of this rowset is ResultSet.TYPE_FORWARD_ONLY */ public boolean absolute( int row ) throws SQLException { if (row == 0 || getType() == ResultSet.TYPE_FORWARD_ONLY) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.absolute").toString()); } if (row > 0) { // we are moving foward if (row > numRows) { // fell off the end afterLast(); return false; } else { if (absolutePos <= 0) internalFirst(); } } else { // we are moving backward if (cursorPos + row < 0) { // fell off the front beforeFirst(); return false; } else { if (absolutePos >= 0) internalLast(); } } // Now move towards the absolute row that we're looking for while (absolutePos != row) { if (absolutePos < row) { if (!internalNext()) break; } else { if (!internalPrevious()) break; } } notifyCursorMoved(); if (isAfterLast() || isBeforeFirst()) { return false; } else { return true; } } /** * Moves the cursor the specified number of rows from the current * position, with a positive number moving it forward and a * negative number moving it backward. *

* If the number is positive, the cursor moves the specified number of * rows toward the end of the rowset, starting at the current row. * For example, the following command, in which * crs is a CachedRowSetImpl object with 100 rows, * moves the cursor forward four rows from the current row. If the * current row is 50, the cursor would move to row 54. *


     *
     *    crs.relative(4);
     *
     *  
*

* If the number is negative, the cursor moves back toward the beginning * the specified number of rows, starting at the current row. * For example, calling the method * absolute(-1) positions the cursor on the last row, * absolute(-2) moves it on the next-to-last row, and so on. * If the CachedRowSetImpl object crs has five rows, * the following command moves the cursor to the fourth-to-last row, which * in the case of a rowset with five rows, is also the second row * from the beginning. *


     *
     *    crs.absolute(-4);
     *
     *  
* * If the number specified is larger than the number of rows, the cursor * will move to the position after the last row. If the number specified * would move the cursor one or more rows before the first row, the cursor * moves to the position before the first row. In both cases, this method * throws an SQLException. *

* Note: Calling absolute(1) is the same as calling the * method first(). Calling absolute(-1) is the * same as calling last(). Calling relative(0) * is valid, but it does not change the cursor position. * * @param rows an int indicating the number of rows to move * the cursor, starting at the current row; a positive number * moves the cursor forward; a negative number moves the cursor * backward; must not move the cursor past the valid * rows * @return true if the cursor is on a row in this * CachedRowSetImpl object; false * otherwise * @throws SQLException if there are no rows in this rowset, the cursor is * positioned either before the first row or after the last row, or * the rowset is type ResultSet.TYPE_FORWARD_ONLY */ public boolean relative(int rows) throws SQLException { if (numRows == 0 || isBeforeFirst() || isAfterLast() || getType() == ResultSet.TYPE_FORWARD_ONLY) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.relative").toString()); } if (rows == 0) { return true; } if (rows > 0) { // we are moving forward if (cursorPos + rows > numRows) { // fell off the end afterLast(); } else { for (int i=0; i < rows; i++) { if (!internalNext()) break; } } } else { // we are moving backward if (cursorPos + rows < 0) { // fell off the front beforeFirst(); } else { for (int i=rows; i < 0; i++) { if (!internalPrevious()) break; } } } notifyCursorMoved(); if (isAfterLast() || isBeforeFirst()) { return false; } else { return true; } } /** * Moves this CachedRowSetImpl object's cursor to the * previous row and returns true if the cursor is on * a valid row or false if it is not. * This method also notifies all listeners registered with this * CachedRowSetImpl object that its cursor has moved. *

* Note: calling the method previous() is not the same * as calling the method relative(-1). This is true * because it is possible to call previous() from the insert * row, from after the last row, or from the current row, whereas * relative may only be called from the current row. *

* The method previous may used in a while * loop to iterate through a rowset starting after the last row * and moving toward the beginning. The loop ends when previous * returns false, meaning that there are no more rows. * For example, the following code fragment retrieves all the data in * the CachedRowSetImpl object crs, which has * three columns. Note that the cursor must initially be positioned * after the last row so that the first call to the method * previous places the cursor on the last line. *

 
     *
     *     crs.afterLast();
     *     while (previous()) {
     *         String name = crs.getString(1);
     *         int age = crs.getInt(2);
     *         short ssn = crs.getShort(3);
     *         System.out.println(name + "   " + age + "   " + ssn);
     *     }
     *
     *  
* This method throws an SQLException if the cursor is not * on a row in the rowset, before the first row, or after the last row. * * @return true if the cursor is on a valid row; * false if it is before the first row or after the * last row * @throws SQLException if the cursor is not on a valid position or the * type of this rowset is ResultSet.TYPE_FORWARD_ONLY */ public boolean previous() throws SQLException { if (getType() == ResultSet.TYPE_FORWARD_ONLY) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.last").toString()); } /* * make sure things look sane. The cursor must be * positioned in the rowset or before first (0) or * after last (numRows + 1) */ if (cursorPos < 0 || cursorPos > numRows + 1) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.invalidcp").toString()); } // move and notify boolean ret = this.internalPrevious(); notifyCursorMoved(); return ret; } /** * Moves the cursor to the previous row in this CachedRowSetImpl * object, skipping past deleted rows that are not visible; returns * true if the cursor is on a row in this rowset and * false when the cursor goes before the first row. *

* This method is called internally by the method previous. *

* This is a implementation only method and is not required as a standard * implementation of the CachedRowSet interface. * * @return true if the cursor is on a row in this rowset; * false when the cursor reaches the position before * the first row * @throws SQLException if an error occurs */ protected boolean internalPrevious() throws SQLException { boolean ret = false; do { if (cursorPos > 1) { --cursorPos; ret = true; } else if (cursorPos == 1) { // decrement to before first --cursorPos; ret = false; break; } } while ((getShowDeleted() == false) && (rowDeleted() == true)); /* * Each call to internalPrevious may move the cursor * over multiple rows, the absolute postion moves one one row */ if (ret == true) --absolutePos; else absolutePos = 0; return ret; } //--------------------------------------------------------------------- // Updates //--------------------------------------------------------------------- /** * Indicates whether the current row of this CachedRowSetImpl * object has been updated. The value returned * depends on whether this rowset can detect updates: false * will always be returned if it does not detect updates. * * @return true if the row has been visibly updated * by the owner or another and updates are detected; * false otherwise * @throws SQLException if the cursor is on the insert row or not * not on a valid row * * @see DatabaseMetaData#updatesAreDetected */ public boolean rowUpdated() throws SQLException { // make sure the cursor is on a valid row checkCursor(); if (onInsertRow == true) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.invalidop").toString()); } return(((Row)getCurrentRow()).getUpdated()); } /** * Indicates whether the designated column of the current row of * this CachedRowSetImpl object has been updated. The * value returned depends on whether this rowset can detcted updates: * false will always be returned if it does not detect updates. * * @param idx the index identifier of the column that may be have been updated. * @return true is the designated column has been updated * and the rowset detects updates; false if the rowset has not * been updated or the rowset does not detect updates * @throws SQLException if the cursor is on the insert row or not * on a valid row * @see DatabaseMetaData#updatesAreDetected */ public boolean columnUpdated(int idx) throws SQLException { // make sure the cursor is on a valid row checkCursor(); if (onInsertRow == true) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.invalidop").toString()); } return (((Row)getCurrentRow()).getColUpdated(idx - 1)); } /** * Indicates whether the designated column of the current row of * this CachedRowSetImpl object has been updated. The * value returned depends on whether this rowset can detcted updates: * false will always be returned if it does not detect updates. * * @param columnName the String column name column that may be have * been updated. * @return true is the designated column has been updated * and the rowset detects updates; false if the rowset has not * been updated or the rowset does not detect updates * @throws SQLException if the cursor is on the insert row or not * on a valid row * @see DatabaseMetaData#updatesAreDetected */ public boolean columnUpdated(String columnName) throws SQLException { return columnUpdated(getColIdxByName(columnName)); } /** * Indicates whether the current row has been inserted. The value returned * depends on whether or not the rowset can detect visible inserts. * * @return true if a row has been inserted and inserts are detected; * false otherwise * @throws SQLException if the cursor is on the insert row or not * not on a valid row * * @see DatabaseMetaData#insertsAreDetected */ public boolean rowInserted() throws SQLException { // make sure the cursor is on a valid row checkCursor(); if (onInsertRow == true) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.invalidop").toString()); } return(((Row)getCurrentRow()).getInserted()); } /** * Indicates whether the current row has been deleted. A deleted row * may leave a visible "hole" in a rowset. This method can be used to * detect such holes if the rowset can detect deletions. This method * will always return false if this rowset cannot detect * deletions. * * @return true if (1)the current row is blank, indicating that * the row has been deleted, and (2)deletions are detected; * false otherwise * @throws SQLException if the cursor is on a valid row in this rowset * @see DatabaseMetaData#deletesAreDetected */ public boolean rowDeleted() throws SQLException { // make sure the cursor is on a valid row if (isAfterLast() == true || isBeforeFirst() == true || onInsertRow == true) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.invalidcp").toString()); } return(((Row)getCurrentRow()).getDeleted()); } /** * Indicates whether the given SQL data type is a numberic type. * * @param type one of the constants from java.sql.Types * @return true if the given type is NUMERIC,' * DECIMAL, BIT, TINYINT, * SMALLINT, INTEGER, BIGINT, * REAL, DOUBLE, or FLOAT; * false otherwise */ private boolean isNumeric(int type) { switch (type) { case java.sql.Types.NUMERIC: case java.sql.Types.DECIMAL: case java.sql.Types.BIT: case java.sql.Types.TINYINT: case java.sql.Types.SMALLINT: case java.sql.Types.INTEGER: case java.sql.Types.BIGINT: case java.sql.Types.REAL: case java.sql.Types.DOUBLE: case java.sql.Types.FLOAT: return true; default: return false; } } /** * Indicates whether the given SQL data type is a string type. * * @param type one of the constants from java.sql.Types * @return true if the given type is CHAR,' * VARCHAR, or LONGVARCHAR; * false otherwise */ private boolean isString(int type) { switch (type) { case java.sql.Types.CHAR: case java.sql.Types.VARCHAR: case java.sql.Types.LONGVARCHAR: return true; default: return false; } } /** * Indicates whether the given SQL data type is a binary type. * * @param type one of the constants from java.sql.Types * @return true if the given type is BINARY,' * VARBINARY, or LONGVARBINARY; * false otherwise */ private boolean isBinary(int type) { switch (type) { case java.sql.Types.BINARY: case java.sql.Types.VARBINARY: case java.sql.Types.LONGVARBINARY: return true; default: return false; } } /** * Indicates whether the given SQL data type is a temporal type. * This method is called internally by the conversion methods * convertNumeric and convertTemporal. * * @param type one of the constants from java.sql.Types * @return true if the given type is DATE, * TIME, or TIMESTAMP; * false otherwise */ private boolean isTemporal(int type) { switch (type) { case java.sql.Types.DATE: case java.sql.Types.TIME: case java.sql.Types.TIMESTAMP: return true; default: return false; } } /** * Indicates whether the given SQL data type is a boolean type. * This method is called internally by the conversion methods * convertNumeric and convertBoolean. * * @param type one of the constants from java.sql.Types * @return true if the given type is BIT, * , or BOOLEAN; * false otherwise */ private boolean isBoolean(int type) { switch (type) { case java.sql.Types.BIT: case java.sql.Types.BOOLEAN: return true; default: return false; } } /** * Converts the given Object in the Java programming language * to the standard mapping for the specified SQL target data type. * The conversion must be to a string or numeric type, but there are no * restrictions on the type to be converted. If the source type and target * type are the same, the given object is simply returned. * * @param srcObj the Object in the Java programming language * that is to be converted to the target type * @param srcType the data type that is the standard mapping in SQL of the * object to be converted; must be one of the constants in * java.sql.Types * @param trgType the SQL data type to which to convert the given object; * must be one of the following constants in * java.sql.Types: NUMERIC, * DECIMAL, BIT, TINYINT, * SMALLINT, INTEGER, BIGINT, * REAL, DOUBLE, FLOAT, * VARCHAR, LONGVARCHAR, or CHAR * @return an Object value.that is * the standard object mapping for the target SQL type * @throws SQLException if the given target type is not one of the string or * numeric types in java.sql.Types */ private Object convertNumeric(Object srcObj, int srcType, int trgType) throws SQLException { if (srcType == trgType) { return srcObj; } if (isNumeric(trgType) == false && isString(trgType) == false) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString() + trgType); } try { switch (trgType) { case java.sql.Types.BIT: Integer i = Integer.valueOf(srcObj.toString().trim()); return i.equals(Integer.valueOf((int)0)) ? Boolean.valueOf(false) : Boolean.valueOf(true); case java.sql.Types.TINYINT: return Byte.valueOf(srcObj.toString().trim()); case java.sql.Types.SMALLINT: return Short.valueOf(srcObj.toString().trim()); case java.sql.Types.INTEGER: return Integer.valueOf(srcObj.toString().trim()); case java.sql.Types.BIGINT: return Long.valueOf(srcObj.toString().trim()); case java.sql.Types.NUMERIC: case java.sql.Types.DECIMAL: return new BigDecimal(srcObj.toString().trim()); case java.sql.Types.REAL: case java.sql.Types.FLOAT: return new Float(srcObj.toString().trim()); case java.sql.Types.DOUBLE: return new Double(srcObj.toString().trim()); case java.sql.Types.CHAR: case java.sql.Types.VARCHAR: case java.sql.Types.LONGVARCHAR: return srcObj.toString(); default: throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()+ trgType); } } catch (NumberFormatException ex) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString() + trgType); } } /** * Converts the given Object in the Java programming language * to the standard object mapping for the specified SQL target data type. * The conversion must be to a string or temporal type, and there are also * restrictions on the type to be converted. *

* Parameters and Return Values * * * * * * * * * * *
Source SQL Type * Target SQL Type * Object Returned *
TIMESTAMP * DATE * java.sql.Date *
TIMESTAMP * TIME * java.sql.Time *
TIME * TIMESTAMP * java.sql.Timestamp *
DATE, TIME, or TIMESTAMP * CHAR, VARCHAR, or LONGVARCHAR * java.lang.String *
*

* If the source type and target type are the same, * the given object is simply returned. * * @param srcObj the Object in the Java programming language * that is to be converted to the target type * @param srcType the data type that is the standard mapping in SQL of the * object to be converted; must be one of the constants in * java.sql.Types * @param trgType the SQL data type to which to convert the given object; * must be one of the following constants in * java.sql.Types: DATE, * TIME, TIMESTAMP, CHAR, * VARCHAR, or LONGVARCHAR * @return an Object value.that is * the standard object mapping for the target SQL type * @throws SQLException if the given target type is not one of the string or * temporal types in java.sql.Types */ private Object convertTemporal(Object srcObj, int srcType, int trgType) throws SQLException { if (srcType == trgType) { return srcObj; } if (isNumeric(trgType) == true || (isString(trgType) == false && isTemporal(trgType) == false)) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } try { switch (trgType) { case java.sql.Types.DATE: if (srcType == java.sql.Types.TIMESTAMP) { return new java.sql.Date(((java.sql.Timestamp)srcObj).getTime()); } else { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } case java.sql.Types.TIMESTAMP: if (srcType == java.sql.Types.TIME) { return new Timestamp(((java.sql.Time)srcObj).getTime()); } else { return new Timestamp(((java.sql.Date)srcObj).getTime()); } case java.sql.Types.TIME: if (srcType == java.sql.Types.TIMESTAMP) { return new Time(((java.sql.Timestamp)srcObj).getTime()); } else { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } case java.sql.Types.CHAR: case java.sql.Types.VARCHAR: case java.sql.Types.LONGVARCHAR: return srcObj.toString(); default: throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } } catch (NumberFormatException ex) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } } /** * Converts the given Object in the Java programming language * to the standard mapping for the specified SQL target data type. * The conversion must be to a string or numeric type, but there are no * restrictions on the type to be converted. If the source type and target * type are the same, the given object is simply returned. * * @param srcObj the Object in the Java programming language * that is to be converted to the target type * @param srcType the data type that is the standard mapping in SQL of the * object to be converted; must be one of the constants in * java.sql.Types * @param trgType the SQL data type to which to convert the given object; * must be one of the following constants in * java.sql.Types: BIT, * or BOOLEAN * @return an Object value.that is * the standard object mapping for the target SQL type * @throws SQLException if the given target type is not one of the Boolean * types in java.sql.Types */ private Object convertBoolean(Object srcObj, int srcType, int trgType) throws SQLException { if (srcType == trgType) { return srcObj; } if (isNumeric(trgType) == true || (isString(trgType) == false && isBoolean(trgType) == false)) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } try { switch (trgType) { case java.sql.Types.BIT: Integer i = Integer.valueOf(srcObj.toString().trim()); return i.equals(Integer.valueOf((int)0)) ? Boolean.valueOf(false) : Boolean.valueOf(true); case java.sql.Types.BOOLEAN: return Boolean.valueOf(srcObj.toString().trim()); default: throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()+ trgType); } } catch (NumberFormatException ex) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString() + trgType); } } /** * Sets the designated nullable column in the current row or the * insert row of this CachedRowSetImpl object with * null value. *

* This method updates a column value in the current row or the insert * row of this rowset; however, another method must be called to complete * the update process. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to mark the row as updated * and to notify listeners that the row has changed. * If the cursor is on the insert row, the method {@link #insertRow} * must be called to insert the new row into this rowset and to notify * listeners that a row has changed. *

* In order to propagate updates in this rowset to the underlying * data source, an application must call the method {@link #acceptChanges} * after it calls either updateRow or insertRow. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateNull(int columnIndex) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); BaseRow row = getCurrentRow(); row.setColumnObject(columnIndex, null); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * boolean value. *

* This method updates a column value in the current row or the insert * row of this rowset, but it does not update the database. * If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateBoolean(int columnIndex, boolean x) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); Object obj = convertBoolean(Boolean.valueOf(x), java.sql.Types.BIT, RowSetMD.getColumnType(columnIndex)); getCurrentRow().setColumnObject(columnIndex, obj); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * byte value. *

* This method updates a column value in the current row or the insert * row of this rowset, but it does not update the database. * If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateByte(int columnIndex, byte x) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); Object obj = convertNumeric(Byte.valueOf(x), java.sql.Types.TINYINT, RowSetMD.getColumnType(columnIndex)); getCurrentRow().setColumnObject(columnIndex, obj); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * short value. *

* This method updates a column value in the current row or the insert * row of this rowset, but it does not update the database. * If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateShort(int columnIndex, short x) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); Object obj = convertNumeric(Short.valueOf(x), java.sql.Types.SMALLINT, RowSetMD.getColumnType(columnIndex)); getCurrentRow().setColumnObject(columnIndex, obj); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * int value. *

* This method updates a column value in the current row or the insert * row of this rowset, but it does not update the database. * If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateInt(int columnIndex, int x) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); Object obj = convertNumeric(Integer.valueOf(x), java.sql.Types.INTEGER, RowSetMD.getColumnType(columnIndex)); getCurrentRow().setColumnObject(columnIndex, obj); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * long value. *

* This method updates a column value in the current row or the insert * row of this rowset, but it does not update the database. * If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateLong(int columnIndex, long x) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); Object obj = convertNumeric(Long.valueOf(x), java.sql.Types.BIGINT, RowSetMD.getColumnType(columnIndex)); getCurrentRow().setColumnObject(columnIndex, obj); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * float value. *

* This method updates a column value in the current row or the insert * row of this rowset, but it does not update the database. * If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateFloat(int columnIndex, float x) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); Object obj = convertNumeric(new Float(x), java.sql.Types.REAL, RowSetMD.getColumnType(columnIndex)); getCurrentRow().setColumnObject(columnIndex, obj); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * double value. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateDouble(int columnIndex, double x) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); Object obj = convertNumeric(new Double(x), java.sql.Types.DOUBLE, RowSetMD.getColumnType(columnIndex)); getCurrentRow().setColumnObject(columnIndex, obj); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * java.math.BigDecimal object. *

* This method updates a column value in the current row or the insert * row of this rowset, but it does not update the database. * If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateBigDecimal(int columnIndex, BigDecimal x) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); Object obj = convertNumeric(x, java.sql.Types.NUMERIC, RowSetMD.getColumnType(columnIndex)); getCurrentRow().setColumnObject(columnIndex, obj); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * String object. *

* This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to mark the row as updated. * If the cursor is on the insert row, the method {@link #insertRow} * must be called to insert the new row into this rowset and mark it * as inserted. Both of these methods must be called before the * cursor moves to another row. *

* The method acceptChanges must be called if the * updated values are to be written back to the underlying database. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateString(int columnIndex, String x) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); getCurrentRow().setColumnObject(columnIndex, x); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * byte array. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateBytes(int columnIndex, byte x[]) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); if (isBinary(RowSetMD.getColumnType(columnIndex)) == false) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } getCurrentRow().setColumnObject(columnIndex, x); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * Date object. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, (3) the type of the designated column is not * an SQL DATE or TIMESTAMP, or * (4) this rowset is ResultSet.CONCUR_READ_ONLY */ public void updateDate(int columnIndex, java.sql.Date x) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); Object obj = convertTemporal(x, java.sql.Types.DATE, RowSetMD.getColumnType(columnIndex)); getCurrentRow().setColumnObject(columnIndex, obj); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * Time object. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, (3) the type of the designated column is not * an SQL TIME or TIMESTAMP, or * (4) this rowset is ResultSet.CONCUR_READ_ONLY */ public void updateTime(int columnIndex, java.sql.Time x) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); Object obj = convertTemporal(x, java.sql.Types.TIME, RowSetMD.getColumnType(columnIndex)); getCurrentRow().setColumnObject(columnIndex, obj); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * Timestamp object. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, (3) the type of the designated column is not * an SQL DATE, TIME, or * TIMESTAMP, or (4) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateTimestamp(int columnIndex, java.sql.Timestamp x) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); Object obj = convertTemporal(x, java.sql.Types.TIMESTAMP, RowSetMD.getColumnType(columnIndex)); getCurrentRow().setColumnObject(columnIndex, obj); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * ASCII stream value. *

* This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value * @param length the number of one-byte ASCII characters in the stream * @throws SQLException if this method is invoked */ public void updateAsciiStream(int columnIndex, java.io.InputStream x, int length) throws SQLException { // sanity Check checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); if (isString(RowSetMD.getColumnType(columnIndex)) == false && isBinary(RowSetMD.getColumnType(columnIndex)) == false) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } byte buf[] = new byte[length]; try { int charsRead = 0; do { charsRead += x.read(buf, charsRead, length - charsRead); } while (charsRead != length); //Changed the condition check to check for length instead of -1 } catch (java.io.IOException ex) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.asciistream").toString()); } String str = new String(buf); getCurrentRow().setColumnObject(columnIndex, str); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * java.io.InputStream object. *

* This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value; must be a java.io.InputStream * containing BINARY, VARBINARY, or * LONGVARBINARY data * @param length the length of the stream in bytes * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, (3) the data in the stream is not binary, or * (4) this rowset is ResultSet.CONCUR_READ_ONLY */ public void updateBinaryStream(int columnIndex, java.io.InputStream x,int length) throws SQLException { // sanity Check checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); if (isBinary(RowSetMD.getColumnType(columnIndex)) == false) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } byte buf[] = new byte[length]; try { int bytesRead = 0; do { bytesRead += x.read(buf, bytesRead, length - bytesRead); } while (bytesRead != -1); } catch (java.io.IOException ex) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.binstream").toString()); } getCurrentRow().setColumnObject(columnIndex, buf); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * java.io.Reader object. *

* This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value; must be a java.io.Reader * containing BINARY, VARBINARY, * LONGVARBINARY, CHAR, VARCHAR, * or LONGVARCHAR data * @param length the length of the stream in characters * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, (3) the data in the stream is not a binary or * character type, or (4) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateCharacterStream(int columnIndex, java.io.Reader x, int length) throws SQLException { // sanity Check checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); if (isString(RowSetMD.getColumnType(columnIndex)) == false && isBinary(RowSetMD.getColumnType(columnIndex)) == false) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } char buf[] = new char[length]; try { int charsRead = 0; do { charsRead += x.read(buf, charsRead, length - charsRead); } while (charsRead != length); //Changed the condition checking to check for length instead of -1 } catch (java.io.IOException ex) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.binstream").toString()); } String str = new String(buf); getCurrentRow().setColumnObject(columnIndex, str); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * Object value. The scale parameter indicates * the number of digits to the right of the decimal point and is ignored * if the new column value is not a type that will be mapped to an SQL * DECIMAL or NUMERIC value. *

* This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value * @param scale the number of digits to the right of the decimal point (for * DECIMAL and NUMERIC types only) * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateObject(int columnIndex, Object x, int scale) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); int type = RowSetMD.getColumnType(columnIndex); if (type == Types.DECIMAL || type == Types.NUMERIC) { ((java.math.BigDecimal)x).setScale(scale); } getCurrentRow().setColumnObject(columnIndex, x); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * Object value. *

* This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param x the new column value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateObject(int columnIndex, Object x) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); getCurrentRow().setColumnObject(columnIndex, x); } /** * Sets the designated nullable column in the current row or the * insert row of this CachedRowSetImpl object with * null value. *

* This method updates a column value in the current row or the insert * row of this rowset, but it does not update the database. * If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, or (3) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateNull(String columnName) throws SQLException { updateNull(getColIdxByName(columnName)); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * boolean value. *

* This method updates a column value in the current row or the insert * row of this rowset, but it does not update the database. * If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param x the new column value * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, or (3) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateBoolean(String columnName, boolean x) throws SQLException { updateBoolean(getColIdxByName(columnName), x); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * byte value. *

* This method updates a column value in the current row or the insert * row of this rowset, but it does not update the database. * If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param x the new column value * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, or (3) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateByte(String columnName, byte x) throws SQLException { updateByte(getColIdxByName(columnName), x); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * short value. *

* This method updates a column value in the current row or the insert * row of this rowset, but it does not update the database. * If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param x the new column value * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, or (3) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateShort(String columnName, short x) throws SQLException { updateShort(getColIdxByName(columnName), x); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * int value. *

* This method updates a column value in the current row or the insert * row of this rowset, but it does not update the database. * If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param x the new column value * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, or (3) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateInt(String columnName, int x) throws SQLException { updateInt(getColIdxByName(columnName), x); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * long value. *

* This method updates a column value in the current row or the insert * row of this rowset, but it does not update the database. * If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param x the new column value * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, or (3) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateLong(String columnName, long x) throws SQLException { updateLong(getColIdxByName(columnName), x); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * float value. *

* This method updates a column value in the current row or the insert * row of this rowset, but it does not update the database. * If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param x the new column value * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, or (3) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateFloat(String columnName, float x) throws SQLException { updateFloat(getColIdxByName(columnName), x); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * double value. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param x the new column value * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, or (3) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateDouble(String columnName, double x) throws SQLException { updateDouble(getColIdxByName(columnName), x); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * java.math.BigDecimal object. *

* This method updates a column value in the current row or the insert * row of this rowset, but it does not update the database. * If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param x the new column value * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, or (3) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateBigDecimal(String columnName, BigDecimal x) throws SQLException { updateBigDecimal(getColIdxByName(columnName), x); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * String object. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param x the new column value * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, or (3) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateString(String columnName, String x) throws SQLException { updateString(getColIdxByName(columnName), x); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * byte array. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param x the new column value * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, or (3) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateBytes(String columnName, byte x[]) throws SQLException { updateBytes(getColIdxByName(columnName), x); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * Date object. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param x the new column value * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, (3) the type * of the designated column is not an SQL DATE or * TIMESTAMP, or (4) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateDate(String columnName, java.sql.Date x) throws SQLException { updateDate(getColIdxByName(columnName), x); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * Time object. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param x the new column value * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, (3) the type * of the designated column is not an SQL TIME or * TIMESTAMP, or (4) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateTime(String columnName, java.sql.Time x) throws SQLException { updateTime(getColIdxByName(columnName), x); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * Timestamp object. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param x the new column value * @throws SQLException if the given column index is out of bounds or * the cursor is not on one of this rowset's rows or its * insert row * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, (3) the type * of the designated column is not an SQL DATE, * TIME, or TIMESTAMP, or (4) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateTimestamp(String columnName, java.sql.Timestamp x) throws SQLException { updateTimestamp(getColIdxByName(columnName), x); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * ASCII stream value. *

* This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param x the new column value * @param length the number of one-byte ASCII characters in the stream */ public void updateAsciiStream(String columnName, java.io.InputStream x, int length) throws SQLException { updateAsciiStream(getColIdxByName(columnName), x, length); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * java.io.InputStream object. *

* This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param x the new column value; must be a java.io.InputStream * containing BINARY, VARBINARY, or * LONGVARBINARY data * @param length the length of the stream in bytes * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, (3) the data * in the stream is not binary, or (4) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateBinaryStream(String columnName, java.io.InputStream x, int length) throws SQLException { updateBinaryStream(getColIdxByName(columnName), x, length); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * java.io.Reader object. *

* This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param reader the new column value; must be a * java.io.Reader containing BINARY, * VARBINARY, LONGVARBINARY, CHAR, * VARCHAR, or LONGVARCHAR data * @param length the length of the stream in characters * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, (3) the data * in the stream is not a binary or character type, or (4) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateCharacterStream(String columnName, java.io.Reader reader, int length) throws SQLException { updateCharacterStream(getColIdxByName(columnName), reader, length); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * Object value. The scale parameter * indicates the number of digits to the right of the decimal point * and is ignored if the new column value is not a type that will be * mapped to an SQL DECIMAL or NUMERIC value. *

* This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param x the new column value * @param scale the number of digits to the right of the decimal point (for * DECIMAL and NUMERIC types only) * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, or (3) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateObject(String columnName, Object x, int scale) throws SQLException { updateObject(getColIdxByName(columnName), x, scale); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * Object value. *

* This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param x the new column value * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, or (3) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateObject(String columnName, Object x) throws SQLException { updateObject(getColIdxByName(columnName), x); } /** * Inserts the contents of this CachedRowSetImpl object's insert * row into this rowset immediately following the current row. * If the current row is the * position after the last row or before the first row, the new row will * be inserted at the end of the rowset. This method also notifies * listeners registered with this rowset that the row has changed. *

* The cursor must be on the insert row when this method is called. * * @throws SQLException if (1) the cursor is not on the insert row, * (2) one or more of the non-nullable columns in the insert * row has not been given a value, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void insertRow() throws SQLException { int pos; if (onInsertRow == false || insertRow.isCompleteRow(RowSetMD) == false) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.failedins").toString()); } // Added the setting of parameters that are passed // to setXXX methods after an empty CRS Object is // created through RowSetMetaData object Object [] toInsert = getParams(); for(int i = 0;i < toInsert.length; i++) { insertRow.setColumnObject(i+1,toInsert[i]); } Row insRow = new Row(RowSetMD.getColumnCount(), insertRow.getOrigRow()); insRow.setInserted(); /* * The new row is inserted into the RowSet * immediately following the current row. * * If we are afterlast then the rows are * inserted at the end. */ if (currentRow >= numRows || currentRow < 0) { pos = numRows; } else { pos = currentRow; } rvh.add(pos, insRow); ++numRows; // notify the listeners that the row changed. notifyRowChanged(); } /** * Marks the current row of this CachedRowSetImpl object as * updated and notifies listeners registered with this rowset that the * row has changed. *

* This method cannot be called when the cursor is on the insert row, and * it should be called before the cursor moves to another row. If it is * called after the cursor moves to another row, this method has no effect, * and the updates made before the cursor moved will be lost. * * @throws SQLException if the cursor is on the insert row or this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateRow() throws SQLException { // make sure we aren't on the insert row if (onInsertRow == true) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.updateins").toString()); } ((Row)getCurrentRow()).setUpdated(); // notify the listeners that the row changed. notifyRowChanged(); } /** * Deletes the current row from this CachedRowSetImpl object and * notifies listeners registered with this rowset that a row has changed. * This method cannot be called when the cursor is on the insert row. *

* This method marks the current row as deleted, but it does not delete * the row from the underlying data source. The method * acceptChanges must be called to delete the row in * the data source. * * @throws SQLException if (1) this method is called when the cursor * is on the insert row, before the first row, or after the * last row or (2) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void deleteRow() throws SQLException { // make sure the cursor is on a valid row checkCursor(); ((Row)getCurrentRow()).setDeleted(); ++numDeleted; // notify the listeners that the row changed. notifyRowChanged(); } /** * Sets the current row with its original value and marks the row as * not updated, thus undoing any changes made to the row since the * last call to the methods updateRow or deleteRow. * This method should be called only when the cursor is on a row in * this rowset. * * @throws SQLException if the cursor is on the insert row, before the * first row, or after the last row */ public void refreshRow() throws SQLException { // make sure we are on a row checkCursor(); // don't want this to happen... if (onInsertRow == true) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.invalidcp").toString()); } Row currentRow = (Row)getCurrentRow(); // just undo any changes made to this row. currentRow.clearUpdated(); } /** * Rolls back any updates made to the current row of this * CachedRowSetImpl object and notifies listeners that * a row has changed. To have an effect, this method * must be called after an updateXXX method has been * called and before the method updateRow has been called. * If no updates have been made or the method updateRow * has already been called, this method has no effect. * * @throws SQLException if the cursor is on the insert row, before the * first row, or after the last row */ public void cancelRowUpdates() throws SQLException { // make sure we are on a row checkCursor(); // don't want this to happen... if (onInsertRow == true) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.invalidcp").toString()); } Row currentRow = (Row)getCurrentRow(); if (currentRow.getUpdated() == true) { currentRow.clearUpdated(); notifyRowChanged(); } } /** * Moves the cursor for this CachedRowSetImpl object * to the insert row. The current row in the rowset is remembered * while the cursor is on the insert row. *

* The insert row is a special row associated with an updatable * rowset. It is essentially a buffer where a new row may * be constructed by calling the appropriate updateXXX * methods to assign a value to each column in the row. A complete * row must be constructed; that is, every column that is not nullable * must be assigned a value. In order for the new row to become part * of this rowset, the method insertRow must be called * before the cursor is moved back to the rowset. *

* Only certain methods may be invoked while the cursor is on the insert * row; many methods throw an exception if they are called while the * cursor is there. In addition to the updateXXX * and insertRow methods, only the getXXX methods * may be called when the cursor is on the insert row. A getXXX * method should be called on a column only after an updateXXX * method has been called on that column; otherwise, the value returned is * undetermined. * * @throws SQLException if this CachedRowSetImpl object is * ResultSet.CONCUR_READ_ONLY */ public void moveToInsertRow() throws SQLException { if (getConcurrency() == ResultSet.CONCUR_READ_ONLY) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.movetoins").toString()); } if (insertRow == null) { if (RowSetMD == null) throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.movetoins1").toString()); int numCols = RowSetMD.getColumnCount(); if (numCols > 0) { insertRow = new InsertRow(numCols); } else { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.movetoins2").toString()); } } onInsertRow = true; // %%% setCurrentRow called in BaseRow currentRow = cursorPos; cursorPos = -1; insertRow.initInsertRow(); } /** * Moves the cursor for this CachedRowSetImpl object to * the current row. The current row is the row the cursor was on * when the method moveToInsertRow was called. *

* Calling this method has no effect unless it is called while the * cursor is on the insert row. * * @throws SQLException if an error occurs */ public void moveToCurrentRow() throws SQLException { if (onInsertRow == false) { return; } else { cursorPos = currentRow; onInsertRow = false; } } /** * Returns null. * * @return null * @throws SQLException if an error occurs */ public Statement getStatement() throws SQLException { return null; } /** * Retrieves the value of the designated column in this * CachedRowSetImpl object as an Object in * the Java programming language, using the given * java.util.Map object to custom map the value if * appropriate. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param map a java.util.Map object showing the mapping * from SQL type names to classes in the Java programming * language * @return an Object representing the SQL value * @throws SQLException if the given column index is out of bounds or * the cursor is not on one of this rowset's rows or its * insert row */ public Object getObject(int columnIndex, java.util.Map> map) throws SQLException { Object value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return null; } if (value instanceof Struct) { Struct s = (Struct)value; // look up the class in the map Class c = (Class)map.get(s.getSQLTypeName()); if (c != null) { // create new instance of the class SQLData obj = null; try { obj = (SQLData)c.newInstance(); } catch (java.lang.InstantiationException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.unableins").toString(), ex.getMessage())); } catch (java.lang.IllegalAccessException ex) { throw new SQLException(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.unableins").toString(), ex.getMessage())); } // get the attributes from the struct Object attribs[] = s.getAttributes(map); // create the SQLInput "stream" SQLInputImpl sqlInput = new SQLInputImpl(attribs, map); // read the values... obj.readSQL(sqlInput, s.getSQLTypeName()); return (Object)obj; } } return value; } /** * Retrieves the value of the designated column in this * CachedRowSetImpl object as a Ref object * in the Java programming language. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @return a Ref object representing an SQL REF value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL REF value * @see #getRef(String) */ public Ref getRef(int columnIndex) throws SQLException { Ref value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); if (RowSetMD.getColumnType(columnIndex) != java.sql.Types.REF) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } setLastValueNull(false); value = (Ref)(getCurrentRow().getColumnObject(columnIndex)); // check for SQL NULL if (value == null) { setLastValueNull(true); return null; } return value; } /** * Retrieves the value of the designated column in this * CachedRowSetImpl object as a Blob object * in the Java programming language. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @return a Blob object representing an SQL BLOB value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL BLOB value * @see #getBlob(String) */ public Blob getBlob(int columnIndex) throws SQLException { Blob value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); if (RowSetMD.getColumnType(columnIndex) != java.sql.Types.BLOB) { System.out.println(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.type").toString(), RowSetMD.getColumnType(columnIndex))); throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } setLastValueNull(false); value = (Blob)(getCurrentRow().getColumnObject(columnIndex)); // check for SQL NULL if (value == null) { setLastValueNull(true); return null; } return value; } /** * Retrieves the value of the designated column in this * CachedRowSetImpl object as a Clob object * in the Java programming language. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @return a Clob object representing an SQL CLOB value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL CLOB value * @see #getClob(String) */ public Clob getClob(int columnIndex) throws SQLException { Clob value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); if (RowSetMD.getColumnType(columnIndex) != java.sql.Types.CLOB) { System.out.println(MessageFormat.format(resBundle.handleGetObject("cachedrowsetimpl.type").toString(), RowSetMD.getColumnType(columnIndex))); throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } setLastValueNull(false); value = (Clob)(getCurrentRow().getColumnObject(columnIndex)); // check for SQL NULL if (value == null) { setLastValueNull(true); return null; } return value; } /** * Retrieves the value of the designated column in this * CachedRowSetImpl object as an Array object * in the Java programming language. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @return an Array object representing an SQL * ARRAY value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL ARRAY value * @see #getArray(String) */ public Array getArray(int columnIndex) throws SQLException { java.sql.Array value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); if (RowSetMD.getColumnType(columnIndex) != java.sql.Types.ARRAY) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } setLastValueNull(false); value = (java.sql.Array)(getCurrentRow().getColumnObject(columnIndex)); // check for SQL NULL if (value == null) { setLastValueNull(true); return null; } return value; } /** * Retrieves the value of the designated column in this * CachedRowSetImpl object as an Object in * the Java programming language, using the given * java.util.Map object to custom map the value if * appropriate. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param map a java.util.Map object showing the mapping * from SQL type names to classes in the Java programming * language * @return an Object representing the SQL value * @throws SQLException if the given column name is not the name of * a column in this rowset or the cursor is not on one of * this rowset's rows or its insert row */ public Object getObject(String columnName, java.util.Map> map) throws SQLException { return getObject(getColIdxByName(columnName), map); } /** * Retrieves the value of the designated column in this * CachedRowSetImpl object as a Ref object * in the Java programming language. * * @param colName a String object that must match the * SQL name of a column in this rowset, ignoring case * @return a Ref object representing an SQL REF value * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the column value * is not an SQL REF value * @see #getRef(int) */ public Ref getRef(String colName) throws SQLException { return getRef(getColIdxByName(colName)); } /** * Retrieves the value of the designated column in this * CachedRowSetImpl object as a Blob object * in the Java programming language. * * @param colName a String object that must match the * SQL name of a column in this rowset, ignoring case * @return a Blob object representing an SQL BLOB value * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL BLOB value * @see #getBlob(int) */ public Blob getBlob(String colName) throws SQLException { return getBlob(getColIdxByName(colName)); } /** * Retrieves the value of the designated column in this * CachedRowSetImpl object as a Clob object * in the Java programming language. * * @param colName a String object that must match the * SQL name of a column in this rowset, ignoring case * @return a Clob object representing an SQL * CLOB value * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL CLOB value * @see #getClob(int) */ public Clob getClob(String colName) throws SQLException { return getClob(getColIdxByName(colName)); } /** * Retrieves the value of the designated column in this * CachedRowSetImpl object as an Array object * in the Java programming langugage. * * @param colName a String object that must match the * SQL name of a column in this rowset, ignoring case * @return an Array object representing an SQL * ARRAY value * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL ARRAY value * @see #getArray(int) */ public Array getArray(String colName) throws SQLException { return getArray(getColIdxByName(colName)); } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a java.sql.Date * object, using the given Calendar object to construct an * appropriate millisecond value for the date. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @param cal the java.util.Calendar object to use in * constructing the date * @return the column value; if the value is SQL NULL, * the result is null * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL DATE or * TIMESTAMP value */ public java.sql.Date getDate(int columnIndex, Calendar cal) throws SQLException { Object value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return null; } value = convertTemporal(value, RowSetMD.getColumnType(columnIndex), java.sql.Types.DATE); // create a default calendar Calendar defaultCal = Calendar.getInstance(); // set this Calendar to the time we have defaultCal.setTime((java.util.Date)value); /* * Now we can pull the pieces of the date out * of the default calendar and put them into * the user provided calendar */ cal.set(Calendar.YEAR, defaultCal.get(Calendar.YEAR)); cal.set(Calendar.MONTH, defaultCal.get(Calendar.MONTH)); cal.set(Calendar.DAY_OF_MONTH, defaultCal.get(Calendar.DAY_OF_MONTH)); /* * This looks a little odd but it is correct - * Calendar.getTime() returns a Date... */ return new java.sql.Date(cal.getTime().getTime()); } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a java.sql.Date * object, using the given Calendar object to construct an * appropriate millisecond value for the date. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param cal the java.util.Calendar object to use in * constructing the date * @return the column value; if the value is SQL NULL, * the result is null * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL DATE or * TIMESTAMP value */ public java.sql.Date getDate(String columnName, Calendar cal) throws SQLException { return getDate(getColIdxByName(columnName), cal); } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a java.sql.Time * object, using the given Calendar object to construct an * appropriate millisecond value for the date. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @param cal the java.util.Calendar object to use in * constructing the date * @return the column value; if the value is SQL NULL, * the result is null * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL TIME or * TIMESTAMP value */ public java.sql.Time getTime(int columnIndex, Calendar cal) throws SQLException { Object value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return null; } value = convertTemporal(value, RowSetMD.getColumnType(columnIndex), java.sql.Types.TIME); // create a default calendar Calendar defaultCal = Calendar.getInstance(); // set the time in the default calendar defaultCal.setTime((java.util.Date)value); /* * Now we can pull the pieces of the date out * of the default calendar and put them into * the user provided calendar */ cal.set(Calendar.HOUR_OF_DAY, defaultCal.get(Calendar.HOUR_OF_DAY)); cal.set(Calendar.MINUTE, defaultCal.get(Calendar.MINUTE)); cal.set(Calendar.SECOND, defaultCal.get(Calendar.SECOND)); return new java.sql.Time(cal.getTime().getTime()); } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a java.sql.Time * object, using the given Calendar object to construct an * appropriate millisecond value for the date. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param cal the java.util.Calendar object to use in * constructing the date * @return the column value; if the value is SQL NULL, * the result is null * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL TIME or * TIMESTAMP value */ public java.sql.Time getTime(String columnName, Calendar cal) throws SQLException { return getTime(getColIdxByName(columnName), cal); } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a java.sql.Timestamp * object, using the given Calendar object to construct an * appropriate millisecond value for the date. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in the rowset * @param cal the java.util.Calendar object to use in * constructing the date * @return the column value; if the value is SQL NULL, * the result is null * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL TIME or * TIMESTAMP value */ public java.sql.Timestamp getTimestamp(int columnIndex, Calendar cal) throws SQLException { Object value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); setLastValueNull(false); value = getCurrentRow().getColumnObject(columnIndex); // check for SQL NULL if (value == null) { setLastValueNull(true); return null; } value = convertTemporal(value, RowSetMD.getColumnType(columnIndex), java.sql.Types.TIMESTAMP); // create a default calendar Calendar defaultCal = Calendar.getInstance(); // set the time in the default calendar defaultCal.setTime((java.util.Date)value); /* * Now we can pull the pieces of the date out * of the default calendar and put them into * the user provided calendar */ cal.set(Calendar.YEAR, defaultCal.get(Calendar.YEAR)); cal.set(Calendar.MONTH, defaultCal.get(Calendar.MONTH)); cal.set(Calendar.DAY_OF_MONTH, defaultCal.get(Calendar.DAY_OF_MONTH)); cal.set(Calendar.HOUR_OF_DAY, defaultCal.get(Calendar.HOUR_OF_DAY)); cal.set(Calendar.MINUTE, defaultCal.get(Calendar.MINUTE)); cal.set(Calendar.SECOND, defaultCal.get(Calendar.SECOND)); return new java.sql.Timestamp(cal.getTime().getTime()); } /** * Retrieves the value of the designated column in the current row * of this CachedRowSetImpl object as a * java.sql.Timestamp object, using the given * Calendar object to construct an appropriate * millisecond value for the date. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param cal the java.util.Calendar object to use in * constructing the date * @return the column value; if the value is SQL NULL, * the result is null * @throws SQLException if (1) the given column name is not the name of * a column in this rowset, (2) the cursor is not on one of * this rowset's rows or its insert row, or (3) the designated * column does not store an SQL DATE, * TIME, or TIMESTAMP value */ public java.sql.Timestamp getTimestamp(String columnName, Calendar cal) throws SQLException { return getTimestamp(getColIdxByName(columnName), cal); } /* * RowSetInternal Interface */ /** * Retrieves the Connection object passed to this * CachedRowSetImpl object. This connection may be * used to populate this rowset with data or to write data back * to its underlying data source. * * @return the Connection object passed to this rowset; * may be null if there is no connection * @throws SQLException if an error occurs */ public Connection getConnection() throws SQLException{ return conn; } /** * Sets the metadata for this CachedRowSetImpl object * with the given RowSetMetaData object. * * @param md a RowSetMetaData object instance containing * metadata about the columsn in the rowset * @throws SQLException if invalid meta data is supplied to the * rowset */ public void setMetaData(RowSetMetaData md) throws SQLException { RowSetMD =(RowSetMetaDataImpl) md; } /** * Returns a result set containing the original value of the rowset. The * original value is the state of the CachedRowSetImpl after the * last population or synchronization (whichever occured most recently) with * the data source. *

* The cursor is positioned before the first row in the result set. * Only rows contained in the result set returned by getOriginal() * are said to have an original value. * * @return the original result set of the rowset * @throws SQLException if an error occurs produce the * ResultSet object */ public ResultSet getOriginal() throws SQLException { CachedRowSetImpl crs = new CachedRowSetImpl(); crs.RowSetMD = RowSetMD; crs.numRows = numRows; crs.cursorPos = 0; // make sure we don't get someone playing with these // %%% is this now necessary ??? //crs.setReader(null); //crs.setWriter(null); int colCount = RowSetMD.getColumnCount(); Row orig; for (Iterator i = rvh.iterator(); i.hasNext();) { orig = new Row(colCount, ((Row)i.next()).getOrigRow()); crs.rvh.add(orig); } return (ResultSet)crs; } /** * Returns a result set containing the original value of the current * row only. * The original value is the state of the CachedRowSetImpl after * the last population or synchronization (whichever occured most recently) * with the data source. * * @return the original result set of the row * @throws SQLException if there is no current row * @see #setOriginalRow */ public ResultSet getOriginalRow() throws SQLException { CachedRowSetImpl crs = new CachedRowSetImpl(); crs.RowSetMD = RowSetMD; crs.numRows = 1; crs.cursorPos = 0; crs.setTypeMap(this.getTypeMap()); // make sure we don't get someone playing with these // %%% is this now necessary ??? //crs.setReader(null); //crs.setWriter(null); Row orig = new Row(RowSetMD.getColumnCount(), getCurrentRow().getOrigRow()); crs.rvh.add(orig); return (ResultSet)crs; } /** * Marks the current row in this rowset as being an original row. * * @throws SQLException if there is no current row * @see #getOriginalRow */ public void setOriginalRow() throws SQLException { if (onInsertRow == true) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.invalidop").toString()); } Row row = (Row)getCurrentRow(); makeRowOriginal(row); // this can happen if deleted rows are being shown if (row.getDeleted() == true) { removeCurrentRow(); } } /** * Makes the given row of this rowset the original row by clearing any * settings that mark the row as having been inserted, deleted, or updated. * This method is called internally by the methods * setOriginalRow * and setOriginal. * * @param row the row to be made the original row */ private void makeRowOriginal(Row row) { if (row.getInserted() == true) { row.clearInserted(); } if (row.getUpdated() == true) { row.moveCurrentToOrig(); } } /** * Marks all rows in this rowset as being original rows. Any updates * made to the rows become the original values for the rowset. * Calls to the method setOriginal connot be reversed. * * @throws SQLException if an error occurs */ public void setOriginal() throws SQLException { for (Iterator i = rvh.iterator(); i.hasNext();) { Row row = (Row)i.next(); makeRowOriginal(row); // remove deleted rows from the collection. if (row.getDeleted() == true) { i.remove(); --numRows; } } numDeleted = 0; // notify any listeners that the rowset has changed notifyRowSetChanged(); } /** * Returns an identifier for the object (table) that was used to create this * rowset. * * @return a String object that identifies the table from * which this CachedRowSetImpl object was derived * @throws SQLException if an error occurs */ public String getTableName() throws SQLException { return tableName; } /** * Sets the identifier for the table from which this rowset was derived * to the given table name. * * @param tabName a String object that identifies the * table from which this CachedRowSetImpl object * was derived * @throws SQLException if an error occurs */ public void setTableName(String tabName) throws SQLException { if (tabName == null) throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.tablename").toString()); else tableName = tabName; } /** * Returns the columns that make a key to uniquely identify a * row in this CachedRowSetImpl object. * * @return an array of column numbers that constitutes a primary * key for this rowset. This array should be empty * if no column is representitive of a primary key * @throws SQLException if the rowset is empty or no columns * are designated as primary keys * @see #setKeyColumns */ public int[] getKeyColumns() throws SQLException { return keyCols; } /** * Sets this CachedRowSetImpl object's * keyCols field with the given array of column * numbers, which forms a key for uniquely identifying a row * in this rowset. * * @param keys an array of int indicating the * columns that form a primary key for this * CachedRowSetImpl object; every * element in the array must be greater than * 0 and less than or equal to the number * of columns in this rowset * @throws SQLException if any of the numbers in the * given array is not valid for this rowset * @see #getKeyColumns */ public void setKeyColumns(int [] keys) throws SQLException { int numCols = 0; if (RowSetMD != null) { numCols = RowSetMD.getColumnCount(); if (keys.length > numCols) throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.keycols").toString()); } keyCols = new int[keys.length]; for (int i = 0; i < keys.length; i++) { if (RowSetMD != null && (keys[i] <= 0 || keys[i] > numCols)) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.invalidcol").toString() + keys[i]); } keyCols[i] = keys[i]; } } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * Ref value. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param ref the new column java.sql.Ref value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateRef(int columnIndex, java.sql.Ref ref) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); // SerialClob will help in getting the byte array and storing it. // We need to be checking DatabaseMetaData.locatorsUpdatorCopy() // or through RowSetMetaData.locatorsUpdatorCopy() getCurrentRow().setColumnObject(columnIndex, new SerialRef(ref)); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * double value. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param ref the new column java.sql.Ref value * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, or (3) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateRef(String columnName, java.sql.Ref ref) throws SQLException { updateRef(getColIdxByName(columnName), ref); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * double value. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param c the new column Clob value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateClob(int columnIndex, Clob c) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); // SerialClob will help in getting the byte array and storing it. // We need to be checking DatabaseMetaData.locatorsUpdatorCopy() // or through RowSetMetaData.locatorsUpdatorCopy() if(dbmslocatorsUpdateCopy){ getCurrentRow().setColumnObject(columnIndex, new SerialClob(c)); } else{ throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.opnotsupp").toString()); } } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * double value. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param c the new column Clob value * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, or (3) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateClob(String columnName, Clob c) throws SQLException { updateClob(getColIdxByName(columnName), c); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * java.sql.Blob value. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param b the new column Blob value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateBlob(int columnIndex, Blob b) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); // SerialBlob will help in getting the byte array and storing it. // We need to be checking DatabaseMetaData.locatorsUpdatorCopy() // or through RowSetMetaData.locatorsUpdatorCopy() if(dbmslocatorsUpdateCopy){ getCurrentRow().setColumnObject(columnIndex, new SerialBlob(b)); } else{ throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.opnotsupp").toString()); } } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * java.sql.Blob value. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param b the new column Blob value * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, or (3) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateBlob(String columnName, Blob b) throws SQLException { updateBlob(getColIdxByName(columnName), b); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * java.sql.Array values. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnIndex the first column is 1, the second * is 2, and so on; must be 1 or larger * and equal to or less than the number of columns in this rowset * @param a the new column Array value * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) this rowset is * ResultSet.CONCUR_READ_ONLY */ public void updateArray(int columnIndex, Array a) throws SQLException { // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); // SerialArray will help in getting the byte array and storing it. // We need to be checking DatabaseMetaData.locatorsUpdatorCopy() // or through RowSetMetaData.locatorsUpdatorCopy() getCurrentRow().setColumnObject(columnIndex, new SerialArray(a)); } /** * Sets the designated column in either the current row or the insert * row of this CachedRowSetImpl object with the given * java.sql.Array value. * * This method updates a column value in either the current row or * the insert row of this rowset, but it does not update the * database. If the cursor is on a row in the rowset, the * method {@link #updateRow} must be called to update the database. * If the cursor is on the insert row, the method {@link #insertRow} * must be called, which will insert the new row into both this rowset * and the database. Both of these methods must be called before the * cursor moves to another row. * * @param columnName a String object that must match the * SQL name of a column in this rowset, ignoring case * @param a the new column Array value * @throws SQLException if (1) the given column name does not match the * name of a column in this rowset, (2) the cursor is not on * one of this rowset's rows or its insert row, or (3) this * rowset is ResultSet.CONCUR_READ_ONLY */ public void updateArray(String columnName, Array a) throws SQLException { updateArray(getColIdxByName(columnName), a); } /** * Retrieves the value of the designated column in this * CachedRowSetImpl object as a java.net.URL object * in the Java programming language. * * @return a java.net.URL object containing the resource reference described by * the URL * @throws SQLException if (1) the given column index is out of bounds, * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL DATALINK value. * @see #getURL(String) */ public java.net.URL getURL(int columnIndex) throws SQLException { //throw new SQLException("Operation not supported"); java.net.URL value; // sanity check. checkIndex(columnIndex); // make sure the cursor is on a valid row checkCursor(); if (RowSetMD.getColumnType(columnIndex) != java.sql.Types.DATALINK) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.dtypemismt").toString()); } setLastValueNull(false); value = (java.net.URL)(getCurrentRow().getColumnObject(columnIndex)); // check for SQL NULL if (value == null) { setLastValueNull(true); return null; } return value; } /** * Retrieves the value of the designated column in this * CachedRowSetImpl object as a java.net.URL object * in the Java programming language. * * @return a java.net.URL object containing the resource reference described by * the URL * @throws SQLException if (1) the given column name not the name of a column * in this rowset, or * (2) the cursor is not on one of this rowset's rows or its * insert row, or (3) the designated column does not store an * SQL DATALINK value. * @see #getURL(int) */ public java.net.URL getURL(String columnName) throws SQLException { return getURL(getColIdxByName(columnName)); } /** * The first warning reported by calls on this CachedRowSetImpl * object is returned. Subsequent CachedRowSetImpl warnings will * be chained to this SQLWarning. All RowSetWarnings * warnings are generated in the disconnected environment and remain a * seperate warning chain to that provided by the getWarnings * method. * *

The warning chain is automatically cleared each time a new * row is read. * *

Note: This warning chain only covers warnings caused * by CachedRowSet (and their child interface) * methods. All SQLWarnings can be obtained using the * getWarnings method which tracks warnings generated * by the underlying JDBC driver. * @return the first SQLWarning or null * */ public RowSetWarning getRowSetWarnings() { try { notifyCursorMoved(); } catch (SQLException e) {} // mask exception return rowsetWarning; } /** * The function tries to isolate the tablename when only setCommand * is set and not setTablename is called provided there is only one table * name in the query else just leaves the setting of table name as such. * If setTablename is set later it will over ride this table name * value so retrieved. * * @return the tablename if only one table in query else return "" */ private String buildTableName(String command) throws SQLException { // If we have a query from one table, // we set the table name implicitly // else user has to explicitly set the table name. int indexFrom, indexComma; String strTablename =""; command = command.trim(); // Query can be a select, insert or update if(command.toLowerCase().startsWith("select")) { // look for "from" keyword, after that look for a // comma after from. If comma is there don't set // table name else isolate table name. indexFrom = command.toLowerCase().indexOf("from"); indexComma = command.indexOf(",", indexFrom); if(indexComma == -1) { // implies only one table strTablename = (command.substring(indexFrom+"from".length(),command.length())).trim(); String tabName = strTablename; int idxWhere = tabName.toLowerCase().indexOf("where"); /** * Adding the addtional check for conditions following the table name. * If a condition is found truncate it. **/ if(idxWhere != -1) { tabName = tabName.substring(0,idxWhere).trim(); } strTablename = tabName; } else { //strTablename=""; } } else if(command.toLowerCase().startsWith("insert")) { //strTablename=""; } else if(command.toLowerCase().startsWith("update")) { //strTablename=""; } return strTablename; } /** * Commits all changes performed by the acceptChanges() * methods * * @see java.sql.Connection#commit */ public void commit() throws SQLException { conn.commit(); } /** * Rolls back all changes performed by the acceptChanges() * methods * * @see java.sql.Connection#rollback */ public void rollback() throws SQLException { conn.rollback(); } /** * Rolls back all changes performed by the acceptChanges() * to the last Savepoint transaction marker. * * @see java.sql.Connection#rollback(Savepoint) */ public void rollback(Savepoint s) throws SQLException { conn.rollback(s); } /** * Unsets the designated parameter to the given int array. * This was set using setMatchColumn * as the column which will form the basis of the join. *

* The parameter value unset by this method should be same * as was set. * * @param columnIdxes the index into this rowset * object's internal representation of parameter values * @throws SQLException if an error occurs or the * parameter index is out of bounds or if the columnIdx is * not the same as set using setMatchColumn(int []) */ public void unsetMatchColumn(int[] columnIdxes) throws SQLException { int i_val; for( int j= 0 ;j < columnIdxes.length; j++) { i_val = (Integer.parseInt(iMatchColumns.get(j).toString())); if(columnIdxes[j] != i_val) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.matchcols").toString()); } } for( int i = 0;i < columnIdxes.length ;i++) { iMatchColumns.set(i,Integer.valueOf(-1)); } } /** * Unsets the designated parameter to the given String array. * This was set using setMatchColumn * as the column which will form the basis of the join. *

* The parameter value unset by this method should be same * as was set. * * @param columnIdxes the index into this rowset * object's internal representation of parameter values * @throws SQLException if an error occurs or the * parameter index is out of bounds or if the columnName is * not the same as set using setMatchColumn(String []) */ public void unsetMatchColumn(String[] columnIdxes) throws SQLException { for(int j = 0 ;j < columnIdxes.length; j++) { if( !columnIdxes[j].equals(strMatchColumns.get(j)) ){ throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.matchcols").toString()); } } for(int i = 0 ; i < columnIdxes.length; i++) { strMatchColumns.set(i,null); } } /** * Retrieves the column name as String array * that was set using setMatchColumn(String []) * for this rowset. * * @return a String array object that contains the column names * for the rowset which has this the match columns * * @throws SQLException if an error occurs or column name is not set */ public String[] getMatchColumnNames() throws SQLException { String []str_temp = new String[strMatchColumns.size()]; if( strMatchColumns.get(0) == null) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.setmatchcols").toString()); } strMatchColumns.copyInto(str_temp); return str_temp; } /** * Retrieves the column id as int array that was set using * setMatchColumn(int []) for this rowset. * * @return a int array object that contains the column ids * for the rowset which has this as the match columns. * * @throws SQLException if an error occurs or column index is not set */ public int[] getMatchColumnIndexes() throws SQLException { Integer []int_temp = new Integer[iMatchColumns.size()]; int [] i_temp = new int[iMatchColumns.size()]; int i_val; i_val = ((Integer)iMatchColumns.get(0)).intValue(); if( i_val == -1 ) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.setmatchcols").toString()); } iMatchColumns.copyInto(int_temp); for(int i = 0; i < int_temp.length; i++) { i_temp[i] = (int_temp[i]).intValue(); } return i_temp; } /** * Sets the designated parameter to the given int array. * This forms the basis of the join for the * JoinRowSet as the column which will form the basis of the * join. *

* The parameter value set by this method is stored internally and * will be supplied as the appropriate parameter in this rowset's * command when the method getMatchColumnIndexes is called. * * @param columnIdxes the indexes into this rowset * object's internal representation of parameter values; the * first parameter is 0, the second is 1, and so on; must be * 0 or greater * @throws SQLException if an error occurs or the * parameter index is out of bounds */ public void setMatchColumn(int[] columnIdxes) throws SQLException { for(int j = 0 ; j < columnIdxes.length; j++) { if( columnIdxes[j] < 0 ) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.matchcols1").toString()); } } for(int i = 0 ;i < columnIdxes.length; i++) { iMatchColumns.add(i,Integer.valueOf(columnIdxes[i])); } } /** * Sets the designated parameter to the given String array. * This forms the basis of the join for the * JoinRowSet as the column which will form the basis of the * join. *

* The parameter value set by this method is stored internally and * will be supplied as the appropriate parameter in this rowset's * command when the method getMatchColumn is called. * * @param columnNames the name of the column into this rowset * object's internal representation of parameter values * @throws SQLException if an error occurs or the * parameter index is out of bounds */ public void setMatchColumn(String[] columnNames) throws SQLException { for(int j = 0; j < columnNames.length; j++) { if( columnNames[j] == null || columnNames[j].equals("")) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.matchcols2").toString()); } } for( int i = 0; i < columnNames.length; i++) { strMatchColumns.add(i,columnNames[i]); } } /** * Sets the designated parameter to the given int * object. This forms the basis of the join for the * JoinRowSet as the column which will form the basis of the * join. *

* The parameter value set by this method is stored internally and * will be supplied as the appropriate parameter in this rowset's * command when the method getMatchColumn is called. * * @param columnIdx the index into this rowset * object's internal representation of parameter values; the * first parameter is 0, the second is 1, and so on; must be * 0 or greater * @throws SQLException if an error occurs or the * parameter index is out of bounds */ public void setMatchColumn(int columnIdx) throws SQLException { // validate, if col is ok to be set if(columnIdx < 0) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.matchcols1").toString()); } else { // set iMatchColumn iMatchColumns.set(0, Integer.valueOf(columnIdx)); //strMatchColumn = null; } } /** * Sets the designated parameter to the given String * object. This forms the basis of the join for the * JoinRowSet as the column which will form the basis of the * join. *

* The parameter value set by this method is stored internally and * will be supplied as the appropriate parameter in this rowset's * command when the method getMatchColumn is called. * * @param columnName the name of the column into this rowset * object's internal representation of parameter values * @throws SQLException if an error occurs or the * parameter index is out of bounds */ public void setMatchColumn(String columnName) throws SQLException { // validate, if col is ok to be set if(columnName == null || (columnName= columnName.trim()).equals("") ) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.matchcols2").toString()); } else { // set strMatchColumn strMatchColumns.set(0, columnName); //iMatchColumn = -1; } } /** * Unsets the designated parameter to the given int * object. This was set using setMatchColumn * as the column which will form the basis of the join. *

* The parameter value unset by this method should be same * as was set. * * @param columnIdx the index into this rowset * object's internal representation of parameter values * @throws SQLException if an error occurs or the * parameter index is out of bounds or if the columnIdx is * not the same as set using setMatchColumn(int) */ public void unsetMatchColumn(int columnIdx) throws SQLException { // check if we are unsetting the SAME column if(! iMatchColumns.get(0).equals(Integer.valueOf(columnIdx) ) ) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.unsetmatch").toString()); } else if(strMatchColumns.get(0) != null) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.unsetmatch1").toString()); } else { // that is, we are unsetting it. iMatchColumns.set(0, Integer.valueOf(-1)); } } /** * Unsets the designated parameter to the given String * object. This was set using setMatchColumn * as the column which will form the basis of the join. *

* The parameter value unset by this method should be same * as was set. * * @param columnName the index into this rowset * object's internal representation of parameter values * @throws SQLException if an error occurs or the * parameter index is out of bounds or if the columnName is * not the same as set using setMatchColumn(String) */ public void unsetMatchColumn(String columnName) throws SQLException { // check if we are unsetting the same column columnName = columnName.trim(); if(!((strMatchColumns.get(0)).equals(columnName))) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.unsetmatch").toString()); } else if( ((Integer)(iMatchColumns.get(0))).intValue() > 0) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.unsetmatch2").toString()); } else { strMatchColumns.set(0, null); // that is, we are unsetting it. } } /** * Notifies registered listeners that a RowSet object in the given RowSetEvent * object has populated a number of additional rows. The numRows parameter * ensures that this event will only be fired every numRow. *

* The source of the event can be retrieved with the method event.getSource. * * @param event a RowSetEvent object that contains the * RowSet object that is the source of the events * @param numRows when populating, the number of rows interval on which the * CachedRowSet populated should fire; the default value * is zero; cannot be less than fetchSize or zero */ public void rowSetPopulated(RowSetEvent event, int numRows) throws SQLException { if( numRows < 0 || numRows < getFetchSize()) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.numrows").toString()); } if(size() % numRows == 0) { RowSetEvent event_temp = new RowSetEvent(this); event = event_temp; notifyRowSetChanged(); } } /** * Populates this CachedRowSet object with data from * the given ResultSet object. While related to the populate(ResultSet) * method, an additional parameter is provided to allow starting position within * the ResultSet from where to populate the CachedRowSet * instance. * * This method is an alternative to the method execute * for filling the rowset with data. The method populate * does not require that the properties needed by the method * execute, such as the command property, * be set. This is true because the method populate * is given the ResultSet object from * which to get data and thus does not need to use the properties * required for setting up a connection and executing this * CachedRowSetImpl object's command. *

* After populating this rowset with data, the method * populate sets the rowset's metadata and * then sends a RowSetChangedEvent object * to all registered listeners prior to returning. * * @param data the ResultSet object containing the data * to be read into this CachedRowSetImpl object * @param start the integer specifing the position in the * ResultSet object to popultate the * CachedRowSetImpl object. * @throws SQLException if an error occurs; or the max row setting is * violated while populating the RowSet.Also id the start position * is negative. * @see #execute */ public void populate(ResultSet data, int start) throws SQLException{ int rowsFetched; Row currentRow; int numCols; int i; Map> map = getTypeMap(); Object obj; int mRows; cursorPos = 0; if(populatecallcount == 0){ if(start < 0){ throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.startpos").toString()); } if(getMaxRows() == 0){ data.absolute(start); while(data.next()){ totalRows++; } totalRows++; } startPos = start; } populatecallcount = populatecallcount +1; resultSet = data; if((endPos - startPos) >= getMaxRows() && (getMaxRows() > 0)){ endPos = prevEndPos; pagenotend = false; return; } if((maxRowsreached != getMaxRows() || maxRowsreached != totalRows) && pagenotend) { startPrev = start - getPageSize(); } if( pageSize == 0){ prevEndPos = endPos; endPos = start + getMaxRows() ; } else{ prevEndPos = endPos; endPos = start + getPageSize(); } if (start == 1){ resultSet.beforeFirst(); } else { resultSet.absolute(start -1); } if( pageSize == 0) { rvh = new Vector(getMaxRows()); } else{ rvh = new Vector(getPageSize()); } if (data == null) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.populate").toString()); } // get the meta data for this ResultSet RSMD = data.getMetaData(); // set up the metadata RowSetMD = new RowSetMetaDataImpl(); initMetaData(RowSetMD, RSMD); // release the meta-data so that aren't tempted to use it. RSMD = null; numCols = RowSetMD.getColumnCount(); mRows = this.getMaxRows(); rowsFetched = 0; currentRow = null; if(!data.next() && mRows == 0){ endPos = prevEndPos; pagenotend = false; return; } data.previous(); while ( data.next()) { currentRow = new Row(numCols); if(pageSize == 0){ if ( rowsFetched >= mRows && mRows > 0) { rowsetWarning.setNextException(new SQLException("Populating rows " + "setting has exceeded max row setting")); break; } } else { if ( (rowsFetched >= pageSize) ||( maxRowsreached >= mRows && mRows > 0)) { rowsetWarning.setNextException(new SQLException("Populating rows " + "setting has exceeded max row setting")); break; } } for ( i = 1; i <= numCols; i++) { /* * check if the user has set a map. If no map * is set then use plain getObject. This lets * us work with drivers that do not support * getObject with a map in fairly sensible way */ if (map == null) { obj = data.getObject(i); } else { obj = data.getObject(i, map); } /* * the following block checks for the various * types that we have to serialize in order to * store - right now only structs have been tested */ if (obj instanceof Struct) { obj = new SerialStruct((Struct)obj, map); } else if (obj instanceof SQLData) { obj = new SerialStruct((SQLData)obj, map); } else if (obj instanceof Blob) { obj = new SerialBlob((Blob)obj); } else if (obj instanceof Clob) { obj = new SerialClob((Clob)obj); } else if (obj instanceof java.sql.Array) { obj = new SerialArray((java.sql.Array)obj, map); } ((Row)currentRow).initColumnObject(i, obj); } rowsFetched++; maxRowsreached++; rvh.add(currentRow); } numRows = rowsFetched ; // Also rowsFetched should be equal to rvh.size() // notify any listeners that the rowset has changed notifyRowSetChanged(); } /** * The nextPage gets the next page, that is a CachedRowSetImpl object * containing the number of rows specified by page size. * @return boolean value true indicating whether there are more pages to come and * false indicating that this is the last page. * @throws SQLException if an error occurs or this called before calling populate. */ public boolean nextPage() throws SQLException { if (populatecallcount == 0){ throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.nextpage").toString()); } // Fix for 6554186 onFirstPage = false; if(callWithCon){ crsReader.setStartPosition(endPos); crsReader.readData((RowSetInternal)this); resultSet = null; } else { populate(resultSet,endPos); } return pagenotend; } /** * This is the setter function for setting the size of the page, which specifies * how many rows have to be retrived at a time. * * @param size which is the page size * @throws SQLException if size is less than zero or greater than max rows. */ public void setPageSize (int size) throws SQLException { if (size < 0) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.pagesize").toString()); } if (size > getMaxRows() && getMaxRows() != 0) { throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.pagesize1").toString()); } pageSize = size; } /** * This is the getter function for the size of the page. * * @return an integer that is the page size. */ public int getPageSize() { return pageSize; } /** * Retrieves the data present in the page prior to the page from where it is * called. * @return boolean value true if it retrieves the previous page, flase if it * is on the first page. * @throws SQLException if it is called before populate is called or ResultSet * is of type ResultSet.TYPE_FORWARD_ONLY or if an error * occurs. */ public boolean previousPage() throws SQLException { int pS; int mR; int rem; pS = getPageSize(); mR = maxRowsreached; if (populatecallcount == 0){ throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.nextpage").toString()); } if( !callWithCon){ if(resultSet.getType() == ResultSet.TYPE_FORWARD_ONLY){ throw new SQLException (resBundle.handleGetObject("cachedrowsetimpl.fwdonly").toString()); } } pagenotend = true; if(startPrev < startPos ){ onFirstPage = true; return false; } if(onFirstPage){ return false; } rem = mR % pS; if(rem == 0){ maxRowsreached -= (2 * pS); if(callWithCon){ crsReader.setStartPosition(startPrev); crsReader.readData((RowSetInternal)this); resultSet = null; } else { populate(resultSet,startPrev); } return true; } else { maxRowsreached -= (pS + rem); if(callWithCon){ crsReader.setStartPosition(startPrev); crsReader.readData((RowSetInternal)this); resultSet = null; } else { populate(resultSet,startPrev); } return true; } } /** * Goes to the page number passed as the parameter * @param page , the page loaded on a call to this function * @return true if the page exists false otherwise * @throws SQLException if an error occurs */ /* public boolean absolutePage(int page) throws SQLException{ boolean isAbs = true, retVal = true; int counter; if( page <= 0 ){ throw new SQLException("Absolute positoin is invalid"); } counter = 0; firstPage(); counter++; while((counter < page) && isAbs) { isAbs = nextPage(); counter ++; } if( !isAbs && counter < page){ retVal = false; } else if(counter == page){ retVal = true; } return retVal; } */ /** * Goes to the page number passed as the parameter from the current page. * The parameter can take postive or negative value accordingly. * @param page , the page loaded on a call to this function * @return true if the page exists false otherwise * @throws SQLException if an error occurs */ /* public boolean relativePage(int page) throws SQLException { boolean isRel = true,retVal = true; int counter; if(page > 0){ counter = 0; while((counter < page) && isRel){ isRel = nextPage(); counter++; } if(!isRel && counter < page){ retVal = false; } else if( counter == page){ retVal = true; } return retVal; } else { counter = page; isRel = true; while((counter < 0) && isRel){ isRel = previousPage(); counter++; } if( !isRel && counter < 0){ retVal = false; } else if(counter == 0){ retVal = true; } return retVal; } } */ /** * Retrieves the first page of data as specified by the page size. * @return boolean value true if present on first page, false otherwise * @throws SQLException if it called before populate or ResultSet is of * type ResultSet.TYPE_FORWARD_ONLY or an error occurs */ /* public boolean firstPage() throws SQLException { if (populatecallcount == 0){ throw new SQLException("Populate the data before calling "); } if( !callWithCon){ if(resultSet.getType() == ResultSet.TYPE_FORWARD_ONLY) { throw new SQLException("Result of type forward only"); } } endPos = 0; maxRowsreached = 0; pagenotend = true; if(callWithCon){ crsReader.setStartPosition(startPos); crsReader.readData((RowSetInternal)this); resultSet = null; } else { populate(resultSet,startPos); } onFirstPage = true; return onFirstPage; } */ /** * Retrives the last page of data as specified by the page size. * @return boolean value tur if present on the last page, false otherwise * @throws SQLException if called before populate or if an error occurs. */ /* public boolean lastPage() throws SQLException{ int pS; int mR; int quo; int rem; pS = getPageSize(); mR = getMaxRows(); if(pS == 0){ onLastPage = true; return onLastPage; } if(getMaxRows() == 0){ mR = totalRows; } if (populatecallcount == 0){ throw new SQLException("Populate the data before calling "); } onFirstPage = false; if((mR % pS) == 0){ quo = mR / pS; int start = startPos + (pS * (quo - 1)); maxRowsreached = mR - pS; if(callWithCon){ crsReader.setStartPosition(start); crsReader.readData((RowSetInternal)this); resultSet = null; } else { populate(resultSet,start); } onLastPage = true; return onLastPage; } else { quo = mR /pS; rem = mR % pS; int start = startPos + (pS * quo); maxRowsreached = mR - (rem); if(callWithCon){ crsReader.setStartPosition(start); crsReader.readData((RowSetInternal)this); resultSet = null; } else { populate(resultSet,start); } onLastPage = true; return onLastPage; } } */ /** * Sets the status for the row on which the cursor is positioned. The insertFlag is used * to mention the toggle status for this row * @param insertFlag if it is true - marks this row as inserted * if it is false - marks it as not a newly inserted row * @throws SQLException if an error occurs while doing this operation */ public void setRowInserted(boolean insertFlag) throws SQLException { checkCursor(); if(onInsertRow == true) throw new SQLException(resBundle.handleGetObject("cachedrowsetimpl.invalidop").toString()); if( insertFlag ) { ((Row)getCurrentRow()).setInserted(); } else { ((Row)getCurrentRow()).clearInserted(); } } /** * Retrieves the value of the designated SQL XML parameter as a * SQLXML object in the Java programming language. * @param columnIndex the first column is 1, the second is 2, ... * @return a SQLXML object that maps an SQL XML value * @throws SQLException if a database access error occurs * @since 6.0 */ public SQLXML getSQLXML(int columnIndex) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Retrieves the value of the designated SQL XML parameter as a * SQLXML object in the Java programming language. * @param colName the name of the column from which to retrieve the value * @return a SQLXML object that maps an SQL XML value * @throws SQLException if a database access error occurs */ public SQLXML getSQLXML(String colName) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Retrieves the value of the designated column in the current row of this * ResultSet object as a java.sql.RowId object in the Java * programming language. * * @param columnIndex the first column is 1, the second 2, ... * @return the column value if the value is a SQL NULL the * value returned is null * @throws SQLException if a database access error occurs * @since 6.0 */ public RowId getRowId(int columnIndex) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Retrieves the value of the designated column in the current row of this * ResultSet object as a java.sql.RowId object in the Java * programming language. * * @param columnName the name of the column * @return the column value if the value is a SQL NULL the * value returned is null * @throws SQLException if a database access error occurs * @since 6.0 */ public RowId getRowId(String columnName) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Updates the designated column with a RowId value. The updater * methods are used to update column values in the current row or the insert * row. The updater methods do not update the underlying database; instead * the updateRow or insertRow methods are called * to update the database. * * @param columnIndex the first column is 1, the second 2, ... * @param x the column value * @throws SQLException if a database access occurs * @since 6.0 */ public void updateRowId(int columnIndex, RowId x) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Updates the designated column with a RowId value. The updater * methods are used to update column values in the current row or the insert * row. The updater methods do not update the underlying database; instead * the updateRow or insertRow methods are called * to update the database. * * @param columnName the name of the column * @param x the column value * @throws SQLException if a database access occurs * @since 6.0 */ public void updateRowId(String columnName, RowId x) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Retrieves the holdability of this ResultSet object * @return either ResultSet.HOLD_CURSORS_OVER_COMMIT or ResultSet.CLOSE_CURSORS_AT_COMMIT * @throws SQLException if a database error occurs * @since 6.0 */ public int getHoldability() throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Retrieves whether this ResultSet object has been closed. A ResultSet is closed if the * method close has been called on it, or if it is automatically closed. * @return true if this ResultSet object is closed; false if it is still open * @throws SQLException if a database access error occurs * @since 6.0 */ public boolean isClosed() throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * This method is used for updating columns that support National Character sets. * It can be used for updating NCHAR,NVARCHAR and LONGNVARCHAR columns. * @param columnIndex the first column is 1, the second 2, ... * @param nString the value for the column to be updated * @throws SQLException if a database access error occurs * @since 6.0 */ public void updateNString(int columnIndex, String nString) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * This method is used for updating columns that support National Character sets. * It can be used for updating NCHAR,NVARCHAR and LONGNVARCHAR columns. * @param columnName name of the Column * @param nString the value for the column to be updated * @throws SQLException if a database access error occurs * @since 6.0 */ public void updateNString(String columnName, String nString) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /*o * This method is used for updating SQL NCLOB type that maps * to java.sql.Types.NCLOB * @param columnIndex the first column is 1, the second 2, ... * @param nClob the value for the column to be updated * @throws SQLException if a database access error occurs * @since 6.0 */ public void updateNClob(int columnIndex, NClob nClob) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * This method is used for updating SQL NCLOB type that maps * to java.sql.Types.NCLOB * @param columnName name of the column * @param nClob the value for the column to be updated * @throws SQLException if a database access error occurs * @since 6.0 */ public void updateNClob(String columnName, NClob nClob) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Retrieves the value of the designated column in the current row * of this ResultSet object as a NClob object * in the Java programming language. * * @param i the first column is 1, the second is 2, ... * @return a NClob object representing the SQL * NCLOB value in the specified column * @exception SQLException if a database access error occurs * @since 6.0 */ public NClob getNClob(int i) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Retrieves the value of the designated column in the current row * of this ResultSet object as a NClob object * in the Java programming language. * * @param colName the name of the column from which to retrieve the value * @return a NClob object representing the SQL NCLOB * value in the specified column * @exception SQLException if a database access error occurs * @since 6.0 */ public NClob getNClob(String colName) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } public T unwrap(java.lang.Class iface) throws java.sql.SQLException { return null; } public boolean isWrapperFor(Class interfaces) throws SQLException { return false; } /** * Sets the designated parameter to the given java.sql.SQLXML object. The driver converts this to an * SQL XML value when it sends it to the database. * @param parameterIndex index of the first parameter is 1, the second is 2, ... * @param xmlObject a SQLXML object that maps an SQL XML value * @throws SQLException if a database access error occurs * @since 1.6 */ public void setSQLXML(int parameterIndex, SQLXML xmlObject) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Sets the designated parameter to the given java.sql.SQLXML object. The driver converts this to an * SQL XML value when it sends it to the database. * @param parameterName the name of the parameter * @param xmlObject a SQLXML object that maps an SQL XML value * @throws SQLException if a database access error occurs * @since 1.6 */ public void setSQLXML(String parameterName, SQLXML xmlObject) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Sets the designated parameter to the given java.sql.RowId object. The * driver converts this to a SQL ROWID value when it sends it * to the database * * @param parameterIndex the first parameter is 1, the second is 2, ... * @param x the parameter value * @throws SQLException if a database access error occurs * * @since 1.6 */ public void setRowId(int parameterIndex, RowId x) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Sets the designated parameter to the given java.sql.RowId object. The * driver converts this to a SQL ROWID when it sends it to the * database. * * @param parameterName the name of the parameter * @param x the parameter value * @throws SQLException if a database access error occurs * @since 1.6 */ public void setRowId(String parameterName, RowId x) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Sets the designated parameter to a Reader object. The * Reader reads the data till end-of-file is reached. The * driver does the necessary conversion from Java character format to * the national character set in the database. *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * setNCharacterStream which takes a length parameter. * * @param parameterIndex of the first parameter is 1, the second is 2, ... * @param value the parameter value * @throws SQLException if the driver does not support national * character sets; if the driver can detect that a data conversion * error could occur ; if a database access error occurs; or * this method is called on a closed PreparedStatement * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method * @since 1.6 */ public void setNCharacterStream(int parameterIndex, Reader value) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to a java.sql.NClob object. The object * implements the java.sql.NClob interface. This NClob * object maps to a SQL NCLOB. * @param parameterName the name of the column to be set * @param value the parameter value * @throws SQLException if the driver does not support national * character sets; if the driver can detect that a data conversion * error could occur; or if a database access error occurs * @since 1.6 */ public void setNClob(String parameterName, NClob value) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Retrieves the value of the designated column in the current row * of this ResultSet object as a * java.io.Reader object. * It is intended for use when * accessing NCHAR,NVARCHAR * and LONGNVARCHAR columns. * * @return a java.io.Reader object that contains the column * value; if the value is SQL NULL, the value returned is * null in the Java programming language. * @param columnIndex the first column is 1, the second is 2, ... * @exception SQLException if a database access error occurs * @since 1.6 */ public java.io.Reader getNCharacterStream(int columnIndex) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Retrieves the value of the designated column in the current row * of this ResultSet object as a * java.io.Reader object. * It is intended for use when * accessing NCHAR,NVARCHAR * and LONGNVARCHAR columns. * * @param columnName the name of the column * @return a java.io.Reader object that contains the column * value; if the value is SQL NULL, the value returned is * null in the Java programming language * @exception SQLException if a database access error occurs * @since 1.6 */ public java.io.Reader getNCharacterStream(String columnName) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Updates the designated column with a java.sql.SQLXML value. * The updater * methods are used to update column values in the current row or the insert * row. The updater methods do not update the underlying database; instead * the updateRow or insertRow methods are called * to update the database. * @param columnIndex the first column is 1, the second 2, ... * @param xmlObject the value for the column to be updated * @throws SQLException if a database access error occurs * @since 1.6 */ public void updateSQLXML(int columnIndex, SQLXML xmlObject) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Updates the designated column with a java.sql.SQLXML value. * The updater * methods are used to update column values in the current row or the insert * row. The updater methods do not update the underlying database; instead * the updateRow or insertRow methods are called * to update the database. * * @param columnName the name of the column * @param xmlObject the column value * @throws SQLException if a database access occurs * @since 1.6 */ public void updateSQLXML(String columnName, SQLXML xmlObject) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Retrieves the value of the designated column in the current row * of this ResultSet object as * a String in the Java programming language. * It is intended for use when * accessing NCHAR,NVARCHAR * and LONGNVARCHAR columns. * * @param columnIndex the first column is 1, the second is 2, ... * @return the column value; if the value is SQL NULL, the * value returned is null * @exception SQLException if a database access error occurs * @since 1.6 */ public String getNString(int columnIndex) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Retrieves the value of the designated column in the current row * of this ResultSet object as * a String in the Java programming language. * It is intended for use when * accessing NCHAR,NVARCHAR * and LONGNVARCHAR columns. * * @param columnName the SQL name of the column * @return the column value; if the value is SQL NULL, the * value returned is null * @exception SQLException if a database access error occurs * @since 1.6 */ public String getNString(String columnName) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Updates the designated column with a character stream value, which will * have the specified number of bytes. The driver does the necessary conversion * from Java character format to the national character set in the database. * It is intended for use when updating NCHAR,NVARCHAR and LONGNVARCHAR columns. * The updater methods are used to update column values in the current row or * the insert row. The updater methods do not update the underlying database; * instead the updateRow or insertRow methods are called to update the database. * * @param columnIndex - the first column is 1, the second is 2, ... * @param x - the new column value * @param length - the length of the stream * @exception SQLException if a database access error occurs * @since 1.6 */ public void updateNCharacterStream(int columnIndex, java.io.Reader x, long length) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Updates the designated column with a character stream value, which will * have the specified number of bytes. The driver does the necessary conversion * from Java character format to the national character set in the database. * It is intended for use when updating NCHAR,NVARCHAR and LONGNVARCHAR columns. * The updater methods are used to update column values in the current row or * the insert row. The updater methods do not update the underlying database; * instead the updateRow or insertRow methods are called to update the database. * * @param columnName - name of the Column * @param x - the new column value * @param length - the length of the stream * @exception SQLException if a database access error occurs * @since 1.6 */ public void updateNCharacterStream(String columnName, java.io.Reader x, long length) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.opnotysupp").toString()); } /** * Updates the designated column with a character stream value. The * driver does the necessary conversion from Java character format to * the national character set in the database. * It is intended for use when * updating NCHAR,NVARCHAR * and LONGNVARCHAR columns. * * The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * updateNCharacterStream which takes a length parameter. * * @param columnIndex the first column is 1, the second is 2, ... * @param x the new column value * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateNCharacterStream(int columnIndex, java.io.Reader x) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column with a character stream value. The * driver does the necessary conversion from Java character format to * the national character set in the database. * It is intended for use when * updating NCHAR,NVARCHAR * and LONGNVARCHAR columns. * * The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * updateNCharacterStream which takes a length parameter. * * @param columnLabel the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the la bel is the name of the column * @param reader the java.io.Reader object containing * the new column value * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateNCharacterStream(String columnLabel, java.io.Reader reader) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } ////////////////////////// /** * Updates the designated column using the given input stream, which * will have the specified number of bytes. * When a very large ASCII value is input to a LONGVARCHAR * parameter, it may be more practical to send it via a * java.io.InputStream. Data will be read from the stream * as needed until end-of-file is reached. The JDBC driver will * do any necessary conversion from ASCII to the database char format. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *

* The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnIndex the first column is 1, the second is 2, ... * @param inputStream An object that contains the data to set the parameter * value to. * @param length the number of bytes in the parameter data. * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateBlob(int columnIndex, InputStream inputStream, long length) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column using the given input stream, which * will have the specified number of bytes. * When a very large ASCII value is input to a LONGVARCHAR * parameter, it may be more practical to send it via a * java.io.InputStream. Data will be read from the stream * as needed until end-of-file is reached. The JDBC driver will * do any necessary conversion from ASCII to the database char format. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *

* The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnLabel the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the label is the name of the column * @param inputStream An object that contains the data to set the parameter * value to. * @param length the number of bytes in the parameter data. * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateBlob(String columnLabel, InputStream inputStream, long length) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column using the given input stream. * When a very large ASCII value is input to a LONGVARCHAR * parameter, it may be more practical to send it via a * java.io.InputStream. Data will be read from the stream * as needed until end-of-file is reached. The JDBC driver will * do any necessary conversion from ASCII to the database char format. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. * *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * updateBlob which takes a length parameter. *

* The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnIndex the first column is 1, the second is 2, ... * @param inputStream An object that contains the data to set the parameter * value to. * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateBlob(int columnIndex, InputStream inputStream) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column using the given input stream. * When a very large ASCII value is input to a LONGVARCHAR * parameter, it may be more practical to send it via a * java.io.InputStream. Data will be read from the stream * as needed until end-of-file is reached. The JDBC driver will * do any necessary conversion from ASCII to the database char format. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * updateBlob which takes a length parameter. *

* The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnLabel the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the la bel is the name of the column * @param inputStream An object that contains the data to set the parameter * value to. * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateBlob(String columnLabel, InputStream inputStream) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column using the given Reader * object, which is the given number of characters long. * When a very large UNICODE value is input to a LONGVARCHAR * parameter, it may be more practical to send it via a * java.io.Reader object. The data will be read from the stream * as needed until end-of-file is reached. The JDBC driver will * do any necessary conversion from UNICODE to the database char format. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *

* The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnIndex the first column is 1, the second is 2, ... * @param reader An object that contains the data to set the parameter value to. * @param length the number of characters in the parameter data. * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateClob(int columnIndex, Reader reader, long length) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column using the given Reader * object, which is the given number of characters long. * When a very large UNICODE value is input to a LONGVARCHAR * parameter, it may be more practical to send it via a * java.io.Reader object. The data will be read from the stream * as needed until end-of-file is reached. The JDBC driver will * do any necessary conversion from UNICODE to the database char format. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *

* The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnLabel the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the label is the name of the column * @param reader An object that contains the data to set the parameter value to. * @param length the number of characters in the parameter data. * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateClob(String columnLabel, Reader reader, long length) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column using the given Reader * object. * When a very large UNICODE value is input to a LONGVARCHAR * parameter, it may be more practical to send it via a * java.io.Reader object. The data will be read from the stream * as needed until end-of-file is reached. The JDBC driver will * do any necessary conversion from UNICODE to the database char format. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * updateClob which takes a length parameter. *

* The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnIndex the first column is 1, the second is 2, ... * @param reader An object that contains the data to set the parameter value to. * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateClob(int columnIndex, Reader reader) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column using the given Reader * object. * When a very large UNICODE value is input to a LONGVARCHAR * parameter, it may be more practical to send it via a * java.io.Reader object. The data will be read from the stream * as needed until end-of-file is reached. The JDBC driver will * do any necessary conversion from UNICODE to the database char format. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * updateClob which takes a length parameter. *

* The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnLabel the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the la bel is the name of the column * @param reader An object that contains the data to set the parameter value to. * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateClob(String columnLabel, Reader reader) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column using the given Reader * object, which is the given number of characters long. * When a very large UNICODE value is input to a LONGVARCHAR * parameter, it may be more practical to send it via a * java.io.Reader object. The data will be read from the stream * as needed until end-of-file is reached. The JDBC driver will * do any necessary conversion from UNICODE to the database char format. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *

* The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnIndex the first column is 1, the second 2, ... * @param reader An object that contains the data to set the parameter value to. * @param length the number of characters in the parameter data. * @throws SQLException if the driver does not support national * character sets; if the driver can detect that a data conversion * error could occur; this method is called on a closed result set, * if a database access error occurs or * the result set concurrency is CONCUR_READ_ONLY * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateNClob(int columnIndex, Reader reader, long length) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column using the given Reader * object, which is the given number of characters long. * When a very large UNICODE value is input to a LONGVARCHAR * parameter, it may be more practical to send it via a * java.io.Reader object. The data will be read from the stream * as needed until end-of-file is reached. The JDBC driver will * do any necessary conversion from UNICODE to the database char format. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *

* The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnLabel the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the label is the name of the column * @param reader An object that contains the data to set the parameter value to. * @param length the number of characters in the parameter data. * @throws SQLException if the driver does not support national * character sets; if the driver can detect that a data conversion * error could occur; this method is called on a closed result set; * if a database access error occurs or * the result set concurrency is CONCUR_READ_ONLY * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateNClob(String columnLabel, Reader reader, long length) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column using the given Reader * object. * When a very large UNICODE value is input to a LONGVARCHAR * parameter, it may be more practical to send it via a * java.io.Reader object. The data will be read from the stream * as needed until end-of-file is reached. The JDBC driver will * do any necessary conversion from UNICODE to the database char format. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * updateNClob which takes a length parameter. *

* The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnIndex the first column is 1, the second 2, ... * @param reader An object that contains the data to set the parameter value to. * @throws SQLException if the driver does not support national * character sets; if the driver can detect that a data conversion * error could occur; this method is called on a closed result set, * if a database access error occurs or * the result set concurrency is CONCUR_READ_ONLY * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateNClob(int columnIndex, Reader reader) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column using the given Reader * object. * When a very large UNICODE value is input to a LONGVARCHAR * parameter, it may be more practical to send it via a * java.io.Reader object. The data will be read from the stream * as needed until end-of-file is reached. The JDBC driver will * do any necessary conversion from UNICODE to the database char format. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * updateNClob which takes a length parameter. *

* The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnLabel the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the la bel is the name of the column * @param reader An object that contains the data to set the parameter value to. * @throws SQLException if the driver does not support national * character sets; if the driver can detect that a data conversion * error could occur; this method is called on a closed result set; * if a database access error occurs or * the result set concurrency is CONCUR_READ_ONLY * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateNClob(String columnLabel, Reader reader) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column with an ascii stream value, which will have * the specified number of bytes. * The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnIndex the first column is 1, the second is 2, ... * @param x the new column value * @param length the length of the stream * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateAsciiStream(int columnIndex, java.io.InputStream x, long length) throws SQLException { } /** * Updates the designated column with a binary stream value, which will have * the specified number of bytes. * The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnIndex the first column is 1, the second is 2, ... * @param x the new column value * @param length the length of the stream * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateBinaryStream(int columnIndex, java.io.InputStream x, long length) throws SQLException { } /** * Updates the designated column with a character stream value, which will have * the specified number of bytes. * The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnIndex the first column is 1, the second is 2, ... * @param x the new column value * @param length the length of the stream * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateCharacterStream(int columnIndex, java.io.Reader x, long length) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column with a character stream value, which will have * the specified number of bytes. * The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnLabel the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the la bel is the name of the column * @param reader the java.io.Reader object containing * the new column value * @param length the length of the stream * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateCharacterStream(String columnLabel, java.io.Reader reader, long length) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column with an ascii stream value, which will have * the specified number of bytes.. * The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnLabel the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the label is the name of the column * @param x the new column value * @param length the length of the stream * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateAsciiStream(String columnLabel, java.io.InputStream x, long length) throws SQLException { } /** * Updates the designated column with a binary stream value, which will have * the specified number of bytes. * The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * * @param columnLabel the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the label is the name of the column * @param x the new column value * @param length the length of the stream * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateBinaryStream(String columnLabel, java.io.InputStream x, long length) throws SQLException { } /** * Updates the designated column with a binary stream value. * The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * updateBinaryStream which takes a length parameter. * * @param columnIndex the first column is 1, the second is 2, ... * @param x the new column value * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateBinaryStream(int columnIndex, java.io.InputStream x) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column with a binary stream value. * The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * updateBinaryStream which takes a length parameter. * * @param columnLabel the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the la bel is the name of the column * @param x the new column value * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateBinaryStream(String columnLabel, java.io.InputStream x) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column with a character stream value. * The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * updateCharacterStream which takes a length parameter. * * @param columnIndex the first column is 1, the second is 2, ... * @param x the new column value * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateCharacterStream(int columnIndex, java.io.Reader x) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column with a character stream value. * The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * updateCharacterStream which takes a length parameter. * * @param columnLabel the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the la bel is the name of the column * @param reader the java.io.Reader object containing * the new column value * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateCharacterStream(String columnLabel, java.io.Reader reader) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column with an ascii stream value. * The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * updateAsciiStream which takes a length parameter. * * @param columnIndex the first column is 1, the second is 2, ... * @param x the new column value * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateAsciiStream(int columnIndex, java.io.InputStream x) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Updates the designated column with an ascii stream value. * The updater methods are used to update column values in the * current row or the insert row. The updater methods do not * update the underlying database; instead the updateRow or * insertRow methods are called to update the database. * *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * updateAsciiStream which takes a length parameter. * * @param columnLabel the label for the column specified with the SQL AS clause. If the SQL AS clause was not specified, then the la bel is the name of the column * @param x the new column value * @exception SQLException if a database access error occurs, * the result set concurrency is CONCUR_READ_ONLY * or this method is called on a closed result set * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void updateAsciiStream(String columnLabel, java.io.InputStream x) throws SQLException { } /** * Sets the designated parameter to the given java.net.URL value. * The driver converts this to an SQL DATALINK value * when it sends it to the database. * * @param parameterIndex the first parameter is 1, the second is 2, ... * @param x the java.net.URL object to be set * @exception SQLException if a database access error occurs or * this method is called on a closed PreparedStatement * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method * @since 1.4 */ public void setURL(int parameterIndex, java.net.URL x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to a Reader object. * This method differs from the setCharacterStream (int, Reader) method * because it informs the driver that the parameter value should be sent to * the server as a NCLOB. When the setCharacterStream method is used, the * driver may have to do extra work to determine whether the parameter * data should be sent to the server as a LONGNVARCHAR or a NCLOB *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * setNClob which takes a length parameter. * * @param parameterIndex index of the first parameter is 1, the second is 2, ... * @param reader An object that contains the data to set the parameter value to. * @throws SQLException if parameterIndex does not correspond to a parameter * marker in the SQL statement; * if the driver does not support national character sets; * if the driver can detect that a data conversion * error could occur; if a database access error occurs or * this method is called on a closed PreparedStatement * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method * * @since 1.6 */ public void setNClob(int parameterIndex, Reader reader) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to a Reader object. The reader must contain the number * of characters specified by length otherwise a SQLException will be * generated when the CallableStatement is executed. * This method differs from the setCharacterStream (int, Reader, int) method * because it informs the driver that the parameter value should be sent to * the server as a NCLOB. When the setCharacterStream method is used, the * driver may have to do extra work to determine whether the parameter * data should be send to the server as a LONGNVARCHAR or a NCLOB * * @param parameterName the name of the parameter to be set * @param reader An object that contains the data to set the parameter value to. * @param length the number of characters in the parameter data. * @throws SQLException if parameterIndex does not correspond to a parameter * marker in the SQL statement; if the length specified is less than zero; * if the driver does not support national * character sets; if the driver can detect that a data conversion * error could occur; if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void setNClob(String parameterName, Reader reader, long length) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to a Reader object. * This method differs from the setCharacterStream (int, Reader) method * because it informs the driver that the parameter value should be sent to * the server as a NCLOB. When the setCharacterStream method is used, the * driver may have to do extra work to determine whether the parameter * data should be send to the server as a LONGNVARCHAR or a NCLOB *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * setNClob which takes a length parameter. * * @param parameterName the name of the parameter * @param reader An object that contains the data to set the parameter value to. * @throws SQLException if the driver does not support national character sets; * if the driver can detect that a data conversion * error could occur; if a database access error occurs or * this method is called on a closed CallableStatement * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method * * @since 1.6 */ public void setNClob(String parameterName, Reader reader) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to a Reader object. The reader must contain the number * of characters specified by length otherwise a SQLException will be * generated when the PreparedStatement is executed. * This method differs from the setCharacterStream (int, Reader, int) method * because it informs the driver that the parameter value should be sent to * the server as a NCLOB. When the setCharacterStream method is used, the * driver may have to do extra work to determine whether the parameter * data should be sent to the server as a LONGNVARCHAR or a NCLOB * @param parameterIndex index of the first parameter is 1, the second is 2, ... * @param reader An object that contains the data to set the parameter value to. * @param length the number of characters in the parameter data. * @throws SQLException if parameterIndex does not correspond to a parameter * marker in the SQL statement; if the length specified is less than zero; * if the driver does not support national character sets; * if the driver can detect that a data conversion * error could occur; if a database access error occurs or * this method is called on a closed PreparedStatement * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method * * @since 1.6 */ public void setNClob(int parameterIndex, Reader reader, long length) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to a java.sql.NClob object. The driver converts this to a * SQL NCLOB value when it sends it to the database. * @param parameterIndex of the first parameter is 1, the second is 2, ... * @param value the parameter value * @throws SQLException if the driver does not support national * character sets; if the driver can detect that a data conversion * error could occur ; or if a database access error occurs * @since 1.6 */ public void setNClob(int parameterIndex, NClob value) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated paramter to the given String object. * The driver converts this to a SQL NCHAR or * NVARCHAR or LONGNVARCHAR value * (depending on the argument's * size relative to the driver's limits on NVARCHAR values) * when it sends it to the database. * * @param parameterIndex of the first parameter is 1, the second is 2, ... * @param value the parameter value * @throws SQLException if the driver does not support national * character sets; if the driver can detect that a data conversion * error could occur ; or if a database access error occurs * @since 1.6 */ public void setNString(int parameterIndex, String value) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated paramter to the given String object. * The driver converts this to a SQL NCHAR or * NVARCHAR or LONGNVARCHAR * @param parameterName the name of the column to be set * @param value the parameter value * @throws SQLException if the driver does not support national * character sets; if the driver can detect that a data conversion * error could occur; or if a database access error occurs * @since 1.6 */ public void setNString(String parameterName, String value) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to a Reader object. The * Reader reads the data till end-of-file is reached. The * driver does the necessary conversion from Java character format to * the national character set in the database. * @param parameterIndex of the first parameter is 1, the second is 2, ... * @param value the parameter value * @param length the number of characters in the parameter data. * @throws SQLException if the driver does not support national * character sets; if the driver can detect that a data conversion * error could occur ; or if a database access error occurs * @since 1.6 */ public void setNCharacterStream(int parameterIndex, Reader value, long length) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to a Reader object. The * Reader reads the data till end-of-file is reached. The * driver does the necessary conversion from Java character format to * the national character set in the database. * @param parameterName the name of the column to be set * @param value the parameter value * @param length the number of characters in the parameter data. * @throws SQLException if the driver does not support national * character sets; if the driver can detect that a data conversion * error could occur; or if a database access error occurs * @since 1.6 */ public void setNCharacterStream(String parameterName, Reader value, long length) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to a Reader object. The * Reader reads the data till end-of-file is reached. The * driver does the necessary conversion from Java character format to * the national character set in the database. *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * setNCharacterStream which takes a length parameter. * * @param parameterName the name of the parameter * @param value the parameter value * @throws SQLException if the driver does not support national * character sets; if the driver can detect that a data conversion * error could occur ; if a database access error occurs; or * this method is called on a closed CallableStatement * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method * @since 1.6 */ public void setNCharacterStream(String parameterName, Reader value) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given java.sql.Timestamp value, * using the given Calendar object. The driver uses * the Calendar object to construct an SQL TIMESTAMP value, * which the driver then sends to the database. With a * a Calendar object, the driver can calculate the timestamp * taking into account a custom timezone. If no * Calendar object is specified, the driver uses the default * timezone, which is that of the virtual machine running the application. * * @param parameterName the name of the parameter * @param x the parameter value * @param cal the Calendar object the driver will use * to construct the timestamp * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @see #getTimestamp * @since 1.4 */ public void setTimestamp(String parameterName, java.sql.Timestamp x, Calendar cal) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to a Reader object. The reader must contain the number * of characters specified by length otherwise a SQLException will be * generated when the CallableStatement is executed. * This method differs from the setCharacterStream (int, Reader, int) method * because it informs the driver that the parameter value should be sent to * the server as a CLOB. When the setCharacterStream method is used, the * driver may have to do extra work to determine whether the parameter * data should be send to the server as a LONGVARCHAR or a CLOB * @param parameterName the name of the parameter to be set * @param reader An object that contains the data to set the parameter value to. * @param length the number of characters in the parameter data. * @throws SQLException if parameterIndex does not correspond to a parameter * marker in the SQL statement; if the length specified is less than zero; * a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * * @since 1.6 */ public void setClob(String parameterName, Reader reader, long length) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given java.sql.Clob object. * The driver converts this to an SQL CLOB value when it * sends it to the database. * * @param parameterName the name of the parameter * @param x a Clob object that maps an SQL CLOB value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void setClob (String parameterName, Clob x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to a Reader object. * This method differs from the setCharacterStream (int, Reader) method * because it informs the driver that the parameter value should be sent to * the server as a CLOB. When the setCharacterStream method is used, the * driver may have to do extra work to determine whether the parameter * data should be send to the server as a LONGVARCHAR or a CLOB * *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * setClob which takes a length parameter. * * @param parameterName the name of the parameter * @param reader An object that contains the data to set the parameter value to. * @throws SQLException if a database access error occurs or this method is called on * a closed CallableStatement * * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method * @since 1.6 */ public void setClob(String parameterName, Reader reader) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given java.sql.Date value * using the default time zone of the virtual machine that is running * the application. * The driver converts this * to an SQL DATE value when it sends it to the database. * * @param parameterName the name of the parameter * @param x the parameter value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @see #getDate * @since 1.4 */ public void setDate(String parameterName, java.sql.Date x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given java.sql.Date value, * using the given Calendar object. The driver uses * the Calendar object to construct an SQL DATE value, * which the driver then sends to the database. With a * a Calendar object, the driver can calculate the date * taking into account a custom timezone. If no * Calendar object is specified, the driver uses the default * timezone, which is that of the virtual machine running the application. * * @param parameterName the name of the parameter * @param x the parameter value * @param cal the Calendar object the driver will use * to construct the date * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @see #getDate * @since 1.4 */ public void setDate(String parameterName, java.sql.Date x, Calendar cal) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given java.sql.Time value. * The driver converts this * to an SQL TIME value when it sends it to the database. * * @param parameterName the name of the parameter * @param x the parameter value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @see #getTime * @since 1.4 */ public void setTime(String parameterName, java.sql.Time x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given java.sql.Time value, * using the given Calendar object. The driver uses * the Calendar object to construct an SQL TIME value, * which the driver then sends to the database. With a * a Calendar object, the driver can calculate the time * taking into account a custom timezone. If no * Calendar object is specified, the driver uses the default * timezone, which is that of the virtual machine running the application. * * @param parameterName the name of the parameter * @param x the parameter value * @param cal the Calendar object the driver will use * to construct the time * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @see #getTime * @since 1.4 */ public void setTime(String parameterName, java.sql.Time x, Calendar cal) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to a Reader object. * This method differs from the setCharacterStream (int, Reader) method * because it informs the driver that the parameter value should be sent to * the server as a CLOB. When the setCharacterStream method is used, the * driver may have to do extra work to determine whether the parameter * data should be sent to the server as a LONGVARCHAR or a CLOB * *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * setClob which takes a length parameter. * * @param parameterIndex index of the first parameter is 1, the second is 2, ... * @param reader An object that contains the data to set the parameter value to. * @throws SQLException if a database access error occurs, this method is called on * a closed PreparedStatementor if parameterIndex does not correspond to a parameter * marker in the SQL statement * * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method * @since 1.6 */ public void setClob(int parameterIndex, Reader reader) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to a Reader object. The reader must contain the number * of characters specified by length otherwise a SQLException will be * generated when the PreparedStatement is executed. *This method differs from the setCharacterStream (int, Reader, int) method * because it informs the driver that the parameter value should be sent to * the server as a CLOB. When the setCharacterStream method is used, the * driver may have to do extra work to determine whether the parameter * data should be sent to the server as a LONGVARCHAR or a CLOB * @param parameterIndex index of the first parameter is 1, the second is 2, ... * @param reader An object that contains the data to set the parameter value to. * @param length the number of characters in the parameter data. * @throws SQLException if a database access error occurs, this method is called on * a closed PreparedStatement, if parameterIndex does not correspond to a parameter * marker in the SQL statement, or if the length specified is less than zero. * * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method * @since 1.6 */ public void setClob(int parameterIndex, Reader reader, long length) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to a InputStream object. The inputstream must contain the number * of characters specified by length otherwise a SQLException will be * generated when the PreparedStatement is executed. * This method differs from the setBinaryStream (int, InputStream, int) * method because it informs the driver that the parameter value should be * sent to the server as a BLOB. When the setBinaryStream method is used, * the driver may have to do extra work to determine whether the parameter * data should be sent to the server as a LONGVARBINARY or a BLOB * @param parameterIndex index of the first parameter is 1, * the second is 2, ... * @param inputStream An object that contains the data to set the parameter * value to. * @param length the number of bytes in the parameter data. * @throws SQLException if a database access error occurs, * this method is called on a closed PreparedStatement, * if parameterIndex does not correspond * to a parameter marker in the SQL statement, if the length specified * is less than zero or if the number of bytes in the inputstream does not match * the specfied length. * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method * * @since 1.6 */ public void setBlob(int parameterIndex, InputStream inputStream, long length) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to a InputStream object. * This method differs from the setBinaryStream (int, InputStream) * method because it informs the driver that the parameter value should be * sent to the server as a BLOB. When the setBinaryStream method is used, * the driver may have to do extra work to determine whether the parameter * data should be sent to the server as a LONGVARBINARY or a BLOB * *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * setBlob which takes a length parameter. * * @param parameterIndex index of the first parameter is 1, * the second is 2, ... * @param inputStream An object that contains the data to set the parameter * value to. * @throws SQLException if a database access error occurs, * this method is called on a closed PreparedStatement or * if parameterIndex does not correspond * to a parameter marker in the SQL statement, * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method * * @since 1.6 */ public void setBlob(int parameterIndex, InputStream inputStream) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to a InputStream object. The inputstream must contain the number * of characters specified by length, otherwise a SQLException will be * generated when the CallableStatement is executed. * This method differs from the setBinaryStream (int, InputStream, int) * method because it informs the driver that the parameter value should be * sent to the server as a BLOB. When the setBinaryStream method is used, * the driver may have to do extra work to determine whether the parameter * data should be sent to the server as a LONGVARBINARY or a BLOB * * @param parameterName the name of the parameter to be set * the second is 2, ... * * @param inputStream An object that contains the data to set the parameter * value to. * @param length the number of bytes in the parameter data. * @throws SQLException if parameterIndex does not correspond * to a parameter marker in the SQL statement, or if the length specified * is less than zero; if the number of bytes in the inputstream does not match * the specfied length; if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * * @since 1.6 */ public void setBlob(String parameterName, InputStream inputStream, long length) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given java.sql.Blob object. * The driver converts this to an SQL BLOB value when it * sends it to the database. * * @param parameterName the name of the parameter * @param x a Blob object that maps an SQL BLOB value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.6 */ public void setBlob (String parameterName, Blob x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to a InputStream object. * This method differs from the setBinaryStream (int, InputStream) * method because it informs the driver that the parameter value should be * sent to the server as a BLOB. When the setBinaryStream method is used, * the driver may have to do extra work to determine whether the parameter * data should be send to the server as a LONGVARBINARY or a BLOB * *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * setBlob which takes a length parameter. * * @param parameterName the name of the parameter * @param inputStream An object that contains the data to set the parameter * value to. * @throws SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method * * @since 1.6 */ public void setBlob(String parameterName, InputStream inputStream) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the value of the designated parameter with the given object. The second * argument must be an object type; for integral values, the * java.lang equivalent objects should be used. * *

The given Java object will be converted to the given targetSqlType * before being sent to the database. * * If the object has a custom mapping (is of a class implementing the * interface SQLData), * the JDBC driver should call the method SQLData.writeSQL to write it * to the SQL data stream. * If, on the other hand, the object is of a class implementing * Ref, Blob, Clob, NClob, * Struct, java.net.URL, * or Array, the driver should pass it to the database as a * value of the corresponding SQL type. *

* Note that this method may be used to pass datatabase- * specific abstract data types. * * @param parameterName the name of the parameter * @param x the object containing the input parameter value * @param targetSqlType the SQL type (as defined in java.sql.Types) to be * sent to the database. The scale argument may further qualify this type. * @param scale for java.sql.Types.DECIMAL or java.sql.Types.NUMERIC types, * this is the number of digits after the decimal point. For all other * types, this value will be ignored. * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if targetSqlType is * a ARRAY, BLOB, CLOB, * DATALINK, JAVA_OBJECT, NCHAR, * NCLOB, NVARCHAR, LONGNVARCHAR, * REF, ROWID, SQLXML * or STRUCT data type and the JDBC driver does not support * this data type * @see Types * @see #getObject * @since 1.4 */ public void setObject(String parameterName, Object x, int targetSqlType, int scale) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the value of the designated parameter with the given object. * This method is like the method setObject * above, except that it assumes a scale of zero. * * @param parameterName the name of the parameter * @param x the object containing the input parameter value * @param targetSqlType the SQL type (as defined in java.sql.Types) to be * sent to the database * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if targetSqlType is * a ARRAY, BLOB, CLOB, * DATALINK, JAVA_OBJECT, NCHAR, * NCLOB, NVARCHAR, LONGNVARCHAR, * REF, ROWID, SQLXML * or STRUCT data type and the JDBC driver does not support * this data type * @see #getObject * @since 1.4 */ public void setObject(String parameterName, Object x, int targetSqlType) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the value of the designated parameter with the given object. * The second parameter must be of type Object; therefore, the * java.lang equivalent objects should be used for built-in types. * *

The JDBC specification specifies a standard mapping from * Java Object types to SQL types. The given argument * will be converted to the corresponding SQL type before being * sent to the database. * *

Note that this method may be used to pass datatabase- * specific abstract data types, by using a driver-specific Java * type. * * If the object is of a class implementing the interface SQLData, * the JDBC driver should call the method SQLData.writeSQL * to write it to the SQL data stream. * If, on the other hand, the object is of a class implementing * Ref, Blob, Clob, NClob, * Struct, java.net.URL, * or Array, the driver should pass it to the database as a * value of the corresponding SQL type. *

* This method throws an exception if there is an ambiguity, for example, if the * object is of a class implementing more than one of the interfaces named above. * * @param parameterName the name of the parameter * @param x the object containing the input parameter value * @exception SQLException if a database access error occurs, * this method is called on a closed CallableStatement or if the given * Object parameter is ambiguous * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @see #getObject * @since 1.4 */ public void setObject(String parameterName, Object x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given input stream, which will have * the specified number of bytes. * When a very large ASCII value is input to a LONGVARCHAR * parameter, it may be more practical to send it via a * java.io.InputStream. Data will be read from the stream * as needed until end-of-file is reached. The JDBC driver will * do any necessary conversion from ASCII to the database char format. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. * * @param parameterName the name of the parameter * @param x the Java input stream that contains the ASCII parameter value * @param length the number of bytes in the stream * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.4 */ public void setAsciiStream(String parameterName, java.io.InputStream x, int length) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given input stream, which will have * the specified number of bytes. * When a very large binary value is input to a LONGVARBINARY * parameter, it may be more practical to send it via a * java.io.InputStream object. The data will be read from the stream * as needed until end-of-file is reached. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. * * @param parameterName the name of the parameter * @param x the java input stream which contains the binary parameter value * @param length the number of bytes in the stream * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.4 */ public void setBinaryStream(String parameterName, java.io.InputStream x, int length) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given Reader * object, which is the given number of characters long. * When a very large UNICODE value is input to a LONGVARCHAR * parameter, it may be more practical to send it via a * java.io.Reader object. The data will be read from the stream * as needed until end-of-file is reached. The JDBC driver will * do any necessary conversion from UNICODE to the database char format. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. * * @param parameterName the name of the parameter * @param reader the java.io.Reader object that * contains the UNICODE data used as the designated parameter * @param length the number of characters in the stream * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.4 */ public void setCharacterStream(String parameterName, java.io.Reader reader, int length) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given input stream. * When a very large ASCII value is input to a LONGVARCHAR * parameter, it may be more practical to send it via a * java.io.InputStream. Data will be read from the stream * as needed until end-of-file is reached. The JDBC driver will * do any necessary conversion from ASCII to the database char format. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * setAsciiStream which takes a length parameter. * * @param parameterName the name of the parameter * @param x the Java input stream that contains the ASCII parameter value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method * @since 1.6 */ public void setAsciiStream(String parameterName, java.io.InputStream x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given input stream. * When a very large binary value is input to a LONGVARBINARY * parameter, it may be more practical to send it via a * java.io.InputStream object. The data will be read from the * stream as needed until end-of-file is reached. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * setBinaryStream which takes a length parameter. * * @param parameterName the name of the parameter * @param x the java input stream which contains the binary parameter value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method * @since 1.6 */ public void setBinaryStream(String parameterName, java.io.InputStream x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given Reader * object. * When a very large UNICODE value is input to a LONGVARCHAR * parameter, it may be more practical to send it via a * java.io.Reader object. The data will be read from the stream * as needed until end-of-file is reached. The JDBC driver will * do any necessary conversion from UNICODE to the database char format. * *

Note: This stream object can either be a standard * Java stream object or your own subclass that implements the * standard interface. *

Note: Consult your JDBC driver documentation to determine if * it might be more efficient to use a version of * setCharacterStream which takes a length parameter. * * @param parameterName the name of the parameter * @param reader the java.io.Reader object that contains the * Unicode data * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @throws SQLFeatureNotSupportedException if the JDBC driver does not support this method * @since 1.6 */ public void setCharacterStream(String parameterName, java.io.Reader reader) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given * java.math.BigDecimal value. * The driver converts this to an SQL NUMERIC value when * it sends it to the database. * * @param parameterName the name of the parameter * @param x the parameter value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @see #getBigDecimal * @since 1.4 */ public void setBigDecimal(String parameterName, BigDecimal x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given Java String value. * The driver converts this * to an SQL VARCHAR or LONGVARCHAR value * (depending on the argument's * size relative to the driver's limits on VARCHAR values) * when it sends it to the database. * * @param parameterName the name of the parameter * @param x the parameter value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @see #getString * @since 1.4 */ public void setString(String parameterName, String x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given Java array of bytes. * The driver converts this to an SQL VARBINARY or * LONGVARBINARY (depending on the argument's size relative * to the driver's limits on VARBINARY values) when it sends * it to the database. * * @param parameterName the name of the parameter * @param x the parameter value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @see #getBytes * @since 1.4 */ public void setBytes(String parameterName, byte x[]) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given java.sql.Timestamp value. * The driver * converts this to an SQL TIMESTAMP value when it sends it to the * database. * * @param parameterName the name of the parameter * @param x the parameter value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @see #getTimestamp * @since 1.4 */ public void setTimestamp(String parameterName, java.sql.Timestamp x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to SQL NULL. * *

Note: You must specify the parameter's SQL type. * * @param parameterName the name of the parameter * @param sqlType the SQL type code defined in java.sql.Types * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.4 */ public void setNull(String parameterName, int sqlType) throws SQLException { throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to SQL NULL. * This version of the method setNull should * be used for user-defined types and REF type parameters. Examples * of user-defined types include: STRUCT, DISTINCT, JAVA_OBJECT, and * named array types. * *

Note: To be portable, applications must give the * SQL type code and the fully-qualified SQL type name when specifying * a NULL user-defined or REF parameter. In the case of a user-defined type * the name is the type name of the parameter itself. For a REF * parameter, the name is the type name of the referenced type. If * a JDBC driver does not need the type code or type name information, * it may ignore it. * * Although it is intended for user-defined and Ref parameters, * this method may be used to set a null parameter of any JDBC type. * If the parameter does not have a user-defined or REF type, the given * typeName is ignored. * * * @param parameterName the name of the parameter * @param sqlType a value from java.sql.Types * @param typeName the fully-qualified name of an SQL user-defined type; * ignored if the parameter is not a user-defined type or * SQL REF value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.4 */ public void setNull (String parameterName, int sqlType, String typeName) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given Java boolean value. * The driver converts this * to an SQL BIT or BOOLEAN value when it sends it to the database. * * @param parameterName the name of the parameter * @param x the parameter value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @see #getBoolean * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @since 1.4 */ public void setBoolean(String parameterName, boolean x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given Java byte value. * The driver converts this * to an SQL TINYINT value when it sends it to the database. * * @param parameterName the name of the parameter * @param x the parameter value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @see #getByte * @since 1.4 */ public void setByte(String parameterName, byte x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given Java short value. * The driver converts this * to an SQL SMALLINT value when it sends it to the database. * * @param parameterName the name of the parameter * @param x the parameter value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @see #getShort * @since 1.4 */ public void setShort(String parameterName, short x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given Java int value. * The driver converts this * to an SQL INTEGER value when it sends it to the database. * * @param parameterName the name of the parameter * @param x the parameter value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @see #getInt * @since 1.4 */ public void setInt(String parameterName, int x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given Java long value. * The driver converts this * to an SQL BIGINT value when it sends it to the database. * * @param parameterName the name of the parameter * @param x the parameter value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @see #getLong * @since 1.4 */ public void setLong(String parameterName, long x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given Java float value. * The driver converts this * to an SQL FLOAT value when it sends it to the database. * * @param parameterName the name of the parameter * @param x the parameter value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @see #getFloat * @since 1.4 */ public void setFloat(String parameterName, float x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * Sets the designated parameter to the given Java double value. * The driver converts this * to an SQL DOUBLE value when it sends it to the database. * * @param parameterName the name of the parameter * @param x the parameter value * @exception SQLException if a database access error occurs or * this method is called on a closed CallableStatement * @exception SQLFeatureNotSupportedException if the JDBC driver does not support * this method * @see #getDouble * @since 1.4 */ public void setDouble(String parameterName, double x) throws SQLException{ throw new SQLFeatureNotSupportedException(resBundle.handleGetObject("cachedrowsetimpl.featnotsupp").toString()); } /** * This method re populates the resBundle * during the deserialization process * */ private void readObject(ObjectInputStream ois) throws IOException, ClassNotFoundException { // Default state initialization happens here ois.defaultReadObject(); // Initialization of transient Res Bundle happens here . try { resBundle = JdbcRowSetResourceBundle.getJdbcRowSetResourceBundle(); } catch(IOException ioe) { throw new RuntimeException(ioe); } } //------------------------- JDBC 4.1 ----------------------------------- public T getObject(int columnIndex, Class type) throws SQLException { throw new SQLFeatureNotSupportedException("Not supported yet."); } public T getObject(String columnLabel, Class type) throws SQLException { throw new SQLFeatureNotSupportedException("Not supported yet."); } static final long serialVersionUID =1884577171200622428L; }