org.opensubsystems.core.util
Class CreationTimestampIdComparator

java.lang.Object
  org.opensubsystems.core.util.CreationTimestampIdComparator

All Implemented Interfaces:

java.util.Comparator

public class CreationTimestampIdComparator
extends java.lang.Object
implements java.util.Comparator

Comparator to compare basic data objects based on their creation timestamp and id.

Version:

$Id: CreationTimestampIdComparator.java,v 1.2 2007/03/05 07:29:25 bastafidli Exp $

Author:

Miro Halas

Code reviewer:

Miro Halas

Code reviewed:

Initial revision

Constructor Summary

CreationTimestampIdComparator()

Method Summary

int	compare(java.lang.Object o1, java.lang.Object o2) Compare creation timestamp and id of two basic data objects.
static java.util.Comparator	getInstance() Get shared comparator instance.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

CreationTimestampIdComparator

public CreationTimestampIdComparator()

Method Detail

getInstance

public static java.util.Comparator getInstance()

Get shared comparator instance.

Returns:

Comparator - shared comparator instance

compare

public int compare(java.lang.Object o1,
                   java.lang.Object o2)

Compare creation timestamp and id of two basic data objects.

Specified by:

compare in interface java.util.Comparator

Parameters:

o1 - - BasicDataObject #1

o2 - - BasicDataObject #2

Returns:

int - -1 if o1 < o2, 0 if o1 == o2 1 if o1 > o2