001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  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 */
017
018package org.apache.commons.configuration;
019
020/**
021 * Comparator for configurations interface.
022 *
023 * @since 1.0
024 *
025 * @author <a href="mailto:herve.quiroz@esil.univ-mrs.fr">Herve Quiroz</a>
026 * @version $Id: ConfigurationComparator.java 1208783 2011-11-30 21:12:45Z oheger $
027 */
028public interface ConfigurationComparator
029{
030    /**
031     * Compare two configuration objects.
032     *
033     * @param a the first configuration
034     * @param b the second configuration
035     * @return true if the two configurations are identical according to
036     *         the implemented rules
037     */
038    boolean compare(Configuration a, Configuration b);
039}
040