/*
* $Id$
*
* Copyright (C) 2011 Janus Core Developers
* Copyright (C) 2012 Stephane GALLAND.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
* This program is free software; you can redistribute it and/or modify
*/
package org.arakhne.afc.math.geometry.d3.discrete;
import java.util.Comparator;
import org.eclipse.xtext.xbase.lib.Pure;
/**
* Comparator of Tuple3i.
*
* @author $Author: sgalland$
* @version $FullVersion$
* @mavengroupid $GroupId$
* @mavenartifactid $ArtifactId$
*/
public class Tuple3iComparator implements Comparator<Tuple3i<?>> {
/**
*/
public Tuple3iComparator() {
//
}
/**
* {@inheritDoc}
*/
@Pure
@Override
public int compare(Tuple3i<?> o1, Tuple3i<?> o2) {
if (o1==o2) return 0;
if (o1==null) return Integer.MIN_VALUE;
if (o2==null) return Integer.MAX_VALUE;
int cmp = o1.ix() - o2.ix();
if (cmp!=0) return cmp;
cmp = o1.iy() - o2.iy();
if (cmp!=0) return cmp;
return o1.iz() - o2.iz();
}
}