/*
* RapidMiner
*
* Copyright (C) 2001-2014 by RapidMiner and the contributors
*
* Complete list of developers available at our web site:
*
* http://rapidminer.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.io.Serializable;
import java.util.Comparator;
/**
* This comparator reverses the sort direction for a given comparator.
*
* @author Sebastian Land
* @param <E>
*/
public class ReverseComparableComparator<E> implements Comparator<E>, Serializable {
private static final long serialVersionUID = -4734179337205283604L;
@SuppressWarnings("unchecked")
public int compare(E o1, E o2) {
Comparable<? super E> c1 = (Comparable<? super E>) o1;
return -c1.compareTo(o2);
}
}