/*
* RapidMiner
*
* Copyright (C) 2001-2008 by Rapid-I and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapid-i.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*/
package com.rapidminer.tools.math.container;
import java.util.Comparator;
/**
* This comparator reverses the sort direction for a given comparator.
*
* @author Sebastian Land
* @version $Id: ReverseComparator.java,v 1.4 2008/07/13 23:25:24 ingomierswa Exp $
* @param <F> the type of the comparable
*/
public class ReverseComparator<F> implements Comparator<F> {
private Comparator<? super F> comparator;
public ReverseComparator(Comparator<? super F> comp) {
this.comparator = comp;
}
public int compare(F o1, F o2) {
return -comparator.compare(o1, o2);
}
}