This API is a Sun Microsystems internal API and is subject - * to change without notice.
- */ - -public class SnmpCounter64 extends SnmpValue { - private static final long serialVersionUID = 8784850650494679937L; - - // CONSTRUCTORS - //------------- - /** - * Constructs a newSnmpCounter64 from the specified long value.
- * @param v The initialization value.
- * @exception IllegalArgumentException The specified value is negative
- * or larger than Long.MAX_VALUE.
- */
- public SnmpCounter64(long v) throws IllegalArgumentException {
-
- // NOTE:
- // The max value for a counter64 variable is 2^64 - 1.
- // The max value for a Long is 2^63 - 1.
- // All the allowed values for a conuter64 variable cannot be covered !!!
- //
- if ((v < 0) || (v > Long.MAX_VALUE)) {
- throw new IllegalArgumentException() ;
- }
- value = v ;
- }
-
- /**
- * Constructs a new SnmpCounter64 from the specified Long value.
- * @param v The initialization value.
- * @exception IllegalArgumentException The specified value is negative
- * or larger than Long.MAX_VALUE.
- */
- public SnmpCounter64(Long v) throws IllegalArgumentException {
- this(v.longValue()) ;
- }
-
- // PUBLIC METHODS
- //---------------
- /**
- * Returns the counter value of this SnmpCounter64.
- * @return The value.
- */
- public long longValue() {
- return value ;
- }
-
- /**
- * Converts the counter value to its Long form.
- * @return The Long representation of the value.
- */
- public Long toLong() {
- return value;
- }
-
- /**
- * Converts the counter value to its integer form.
- * @return The integer representation of the value.
- */
- public int intValue() {
- return (int)value ;
- }
-
- /**
- * Converts the counter value to its Integer form.
- * @return The Integer representation of the value.
- */
- public Integer toInteger() {
- return (int)value;
- }
-
- /**
- * Converts the counter value to its String form.
- * @return The String representation of the value.
- */
- public String toString() {
- return String.valueOf(value) ;
- }
-
- /**
- * Converts the counter value to its SnmpOid form.
- * @return The OID representation of the value.
- */
- public SnmpOid toOid() {
- return new SnmpOid(value) ;
- }
-
- /**
- * Extracts the counter from an index OID and returns its
- * value converted as an SnmpOid.
- * @param index The index array.
- * @param start The position in the index array.
- * @return The OID representing the counter value.
- * @exception SnmpStatusException There is no counter value
- * available at the start position.
- */
- public static SnmpOid toOid(long[] index, int start) throws SnmpStatusException {
- try {
- return new SnmpOid(index[start]) ;
- }
- catch(IndexOutOfBoundsException e) {
- throw new SnmpStatusException(SnmpStatusException.noSuchName) ;
- }
- }
-
- /**
- * Scans an index OID, skips the counter value and returns the position
- * of the next value.
- * @param index The index array.
- * @param start The position in the index array.
- * @return The position of the next value.
- * @exception SnmpStatusException There is no counter value
- * available at the start position.
- */
- public static int nextOid(long[] index, int start) throws SnmpStatusException {
- if (start >= index.length) {
- throw new SnmpStatusException(SnmpStatusException.noSuchName) ;
- }
- else {
- return start + 1 ;
- }
- }
-
- /**
- * Appends an SnmpOid representing an SnmpCounter64 to another OID.
- * @param source An OID representing an SnmpCounter64 value.
- * @param dest Where source should be appended.
- */
- public static void appendToOid(SnmpOid source, SnmpOid dest) {
- if (source.getLength() != 1) {
- throw new IllegalArgumentException() ;
- }
- dest.append(source) ;
- }
-
- /**
- * Performs a clone action. This provides a workaround for the
- * SnmpValue interface.
- * @return The SnmpValue clone.
- */
- final synchronized public SnmpValue duplicate() {
- return (SnmpValue)clone() ;
- }
-
- /**
- * Clones the SnmpCounter64 object, making a copy of its data.
- * @return The object clone.
- */
- final synchronized public Object clone() {
- SnmpCounter64 newclone = null ;
- try {
- newclone = (SnmpCounter64) super.clone() ;
- newclone.value = value ;
- } catch (CloneNotSupportedException e) {
- throw new InternalError(e) ; // vm bug.
- }
- return newclone ;
- }
-
- /**
- * Returns a textual description of the type object.
- * @return ASN.1 textual description.
- */
- final public String getTypeName() {
- return name ;
- }
-
- // VARIABLES
- //----------
- /**
- * Name of the type.
- */
- final static String name = "Counter64" ;
-
- /**
- * This is where the value is stored. This long is positive.
- * @serial
- */
- private long value = 0 ;
-}