net.ontopia.topicmaps.utils
Class ObjectIdComparator

java.lang.Object
  net.ontopia.topicmaps.utils.ObjectIdComparator

All Implemented Interfaces:

Comparator

public class ObjectIdComparator
extends Object
implements Comparator

INTERNAL: Comparator that compares object ids of TMObjectIF objects.

Field Summary

static ObjectIdComparator

INSTANCE

Constructor Summary

ObjectIdComparator()

Method Summary

int	compare(Object obj1, Object obj2) INTERNAL: compares the object ids of the given objects

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

Field Detail

INSTANCE

public static final ObjectIdComparator INSTANCE

Constructor Detail

ObjectIdComparator

public ObjectIdComparator()

Method Detail

compare

public int compare(Object obj1,
                   Object obj2)

INTERNAL: compares the object ids of the given objects

Specified by:

compare in interface Comparator

Parameters:

obj1 - object; internally typecast to TMObjectIF

obj2 - object; internally typecast to TMObjectIF

Returns:

int; 0 if the two objects have the same object id; otherwise positive/negative according to compareTo on the (string) values of the object ids