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.equals;
018
019import java.util.Objects;
020
021/**
022 * {@link IEquator} using the normal equals (but respecting null).
023 */
024public class DefaultEquator implements IEquator<Object> {
025
026        /** Singleton instance. */
027        public static final DefaultEquator INSTANCE = new DefaultEquator();
028
029        /** Constructor */
030        private DefaultEquator() {
031                // enforce use of singleton instance
032        }
033
034        /** {@inheritDoc} */
035        @Override
036        public boolean equals(Object element1, Object element2) {
037                return Objects.equals(element1, element2);
038        }
039
040}