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
019/**
020 * Compares two elements for equality.
021 * <p>
022 * This interface externalizes the notion of equality. This way, different
023 * notions of equality can be applied to the same object in different contexts.
024 * 
025 * @author Elmar Juergens
026 */
027@FunctionalInterface
028public interface IEquator<T> {
029
030        /**
031         * Returns <code>true</code>, if the elements are equal, <code>false</code>
032         * if not.
033         */
034        public boolean equals(T element1, T element2);
035
036}