/* Copyright (C) 2004 - 2007 db4objects Inc. http://www.db4o.com
This file is part of the db4o open source object database.
db4o is free software; you can redistribute it and/or modify it under
the terms of version 2 of the GNU General Public License as published
by the Free Software Foundation and as clarified by db4objects' GPL
interpretation policy, available at
http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
Suite 350, San Mateo, CA 94403, USA.
db4o 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
for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
package EDU.purdue.cs.bloat.util;
import java.util.*;
/**
* IdentityComparator compares two objects using the result of
* System.identityHashCode.
*/
public class IdentityComparator implements Comparator {
public int compare(final Object o1, final Object o2) {
final int n1 = System.identityHashCode(o1);
final int n2 = System.identityHashCode(o2);
return n1 - n2;
/*
* if (n1 > n2) { return 1; }
*
* if (n1 < n2) { return -1; }
*
* return 0;
*/
}
}
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