/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.commons.configuration2;

/**
 * Comparator for configurations interface.
 *
 * @since 1.0
 *
 * @author <a href="mailto:herve.quiroz@esil.univ-mrs.fr">Herve Quiroz</a>
 * @version $Id: ConfigurationComparator.java 1624601 2014-09-12 18:04:36Z oheger $
 */
public interface ConfigurationComparator
{
    /**
     * Compare two configuration objects.
     *
     * @param a the first configuration
     * @param b the second configuration
     * @return true if the two configurations are identical according to
     *         the implemented rules
     */
    boolean compare(Configuration a, Configuration b);
}

