1 /*
  2  * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
  3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  4  *
  5  * This code is free software; you can redistribute it and/or modify it
  6  * under the terms of the GNU General Public License version 2 only, as
  7  * published by the Free Software Foundation.  Oracle designates this
  8  * particular file as subject to the "Classpath" exception as provided
  9  * by Oracle in the LICENSE file that accompanied this code.
 10  *
 11  * This code is distributed in the hope that it will be useful, but WITHOUT
 12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 14  * version 2 for more details (a copy is included in the LICENSE file that
 15  * accompanied this code).
 16  *
 17  * You should have received a copy of the GNU General Public License version
 18  * 2 along with this work; if not, write to the Free Software Foundation,
 19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 20  *
 21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 22  * or visit www.oracle.com if you need additional information or have any
 23  * questions.
 24  */
 25 
 26 /*
 27  * Created on Apr 28, 2005
 28  */
 29 package javax.sql;
 30 
 31 import java.sql.PreparedStatement;
 32 import java.sql.SQLException;
 33 import java.util.EventObject;
 34 
 35 /**
 36  * A <code>StatementEvent</code> is sent to all <code>StatementEventListener</code>s which were
 37  * registered with a <code>PooledConnection</code>. This occurs when the driver determines that a
 38  * <code>PreparedStatement</code> that is associated with the <code>PooledConnection</code> has been closed or the driver determines
 39  * is invalid.
 40  *
 41  * @since 1.6
 42  */
 43 public class StatementEvent extends EventObject {
 44 
 45         static final long serialVersionUID = -8089573731826608315L;
 46         private SQLException            exception;
 47         @SuppressWarnings("serial") // Not statically typed as Serializable
 48         private PreparedStatement       statement;
 49 
 50         /**
 51          * Constructs a <code>StatementEvent</code> with the specified <code>PooledConnection</code> and
 52          * <code>PreparedStatement</code>.  The <code>SQLException</code> contained in the event defaults to
 53          * null.
 54          *
 55          * @param con                   The <code>PooledConnection</code> that the closed or invalid
 56          * <code>PreparedStatement</code>is associated with.
 57          * @param statement             The <code>PreparedStatement</code> that is being closed or is invalid
 58          *
 59          * @throws IllegalArgumentException if <code>con</code> is null.
 60          *
 61          * @since 1.6
 62          */
 63         public StatementEvent(PooledConnection con,
 64                                                   PreparedStatement statement) {
 65 
 66                 super(con);
 67 
 68                 this.statement = statement;
 69                 this.exception = null;
 70         }
 71 
 72         /**
 73          * Constructs a <code>StatementEvent</code> with the specified <code>PooledConnection</code>,
 74          * <code>PreparedStatement</code> and <code>SQLException</code>
 75          *
 76          * @param con                   The <code>PooledConnection</code> that the closed or invalid <code>PreparedStatement</code>
 77          * is associated with.
 78          * @param statement             The <code>PreparedStatement</code> that is being closed or is invalid
 79          * @param exception             The <code>SQLException </code>the driver is about to throw to
 80          *                                              the application
 81          *
 82          * @throws IllegalArgumentException if <code>con</code> is null.
 83          *
 84          * @since 1.6
 85          */
 86         public StatementEvent(PooledConnection con,
 87                                                   PreparedStatement statement,
 88                                                   SQLException exception) {
 89 
 90                 super(con);
 91 
 92                 this.statement = statement;
 93                 this.exception = exception;
 94         }
 95 
 96         /**
 97          * Returns the <code>PreparedStatement</code> that is being closed or is invalid
 98          *
 99          * @return      The <code>PreparedStatement</code> that is being closed or is invalid
100          *
101          * @since 1.6
102          */
103         public PreparedStatement getStatement() {
104 
105                 return this.statement;
106         }
107 
108         /**
109          * Returns the <code>SQLException</code> the driver is about to throw
110          *
111          * @return      The <code>SQLException</code> the driver is about to throw
112          *
113          * @since 1.6
114          */
115         public SQLException getSQLException() {
116 
117                 return this.exception;
118         }
119 }