/* XXL: The eXtensible and fleXible Library for data processing Copyright (C) 2000-2011 Prof. Dr. Bernhard Seeger Head of the Database Research Group Department of Mathematics and Computer Science University of Marburg Germany 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, see <http://www.gnu.org/licenses/>. http://code.google.com/p/xxl/ */ package xxl.core.comparators; import java.util.Comparator; public class CountingComparator<T> extends DecoratorComparator<T> { protected long calls; public CountingComparator(Comparator<T> comparator) { super(comparator); calls = 0; } public int compare(T o1, T o2) { calls++; return super.compare(o1, o2); } public long getNoOfCalls() { return calls; } public void resetCounter() { this.calls = 0; } }