001/*-------------------------------------------------------------------------+
002|                                                                          |
003| Copyright 2005-2011 The ConQAT Project                                   |
004|                                                                          |
005| Licensed under the Apache License, Version 2.0 (the "License");          |
006| you may not use this file except in compliance with the License.         |
007| You may obtain a copy of the License at                                  |
008|                                                                          |
009|    http://www.apache.org/licenses/LICENSE-2.0                            |
010|                                                                          |
011| Unless required by applicable law or agreed to in writing, software      |
012| distributed under the License is distributed on an "AS IS" BASIS,        |
013| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
014| See the License for the specific language governing permissions and      |
015| limitations under the License.                                           |
016+-------------------------------------------------------------------------*/
017package org.conqat.lib.commons.collections;
018
019import java.util.Comparator;
020
021/**
022 * Comparator that does not acutally <em>compare</em> but handles all elements
023 * as being equal.
024 * 
025 * @author deissenb
026 */
027public class AllEqualComparator<T> implements Comparator<T> {
028
029        /** Instance of this comparator. */
030        public static final AllEqualComparator<Object> OBJECT_INSTANCE = new AllEqualComparator<Object>();
031
032        /** Returns 0. */
033        @Override
034        public int compare(T t1, T t2) {
035                return 0;
036        }
037
038}