/*
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program 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
*/
/*
* Created on Jun 13, 2009
*/
package com.bigdata.util;
import java.io.Serializable;
import java.util.Comparator;
/**
* Places {@link Long} values into descending order.
*
* @author <a href="mailto:thompsonbry@users.sourceforge.net">Bryan Thompson</a>
* @version $Id$
*/
public class ReverseLongComparator implements Comparator<Long>, Serializable {
/**
*
*/
private static final long serialVersionUID = -234224494051463945L;
public int compare(final Long o1, final Long o2) {
final long l1 = o1.longValue();
final long l2 = o2.longValue();
if (l1 < l2) {
return 1;
} else if (l1 > l2) {
return -1;
}
return 0;
}
}