001 /*--------------------------------------------------------------------------+ 002 $Id: AllEqualComparator.java 26283 2010-02-18 11:18:57Z juergens $ 003 | | 004 | Copyright 2005-2010 Technische Universitaet Muenchen | 005 | | 006 | Licensed under the Apache License, Version 2.0 (the "License"); | 007 | you may not use this file except in compliance with the License. | 008 | You may obtain a copy of the License at | 009 | | 010 | http://www.apache.org/licenses/LICENSE-2.0 | 011 | | 012 | Unless required by applicable law or agreed to in writing, software | 013 | distributed under the License is distributed on an "AS IS" BASIS, | 014 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 015 | See the License for the specific language governing permissions and | 016 | limitations under the License. | 017 +--------------------------------------------------------------------------*/ 018 package edu.tum.cs.commons.collections; 019 020 import java.util.Comparator; 021 022 /** 023 * Comparator that does not acutally <em>compare</em> but handles all elements 024 * as being equal. 025 * 026 * @author deissenb 027 * @author $Author: juergens $ 028 * @version $Rev: 26283 $ 029 * @levd.rating GREEN Hash: ECD3DED6552211233D6AD0FEE58B9E4B 030 */ 031 public class AllEqualComparator<T> implements Comparator<T> { 032 033 /** Instance of this comparator. */ 034 public static final AllEqualComparator<Object> OBJECT_INSTANCE = new AllEqualComparator<Object>(); 035 036 /** Returns 0. */ 037 public int compare(T t1, T t2) { 038 return 0; 039 } 040 041 }