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1   /*
2    * Copyright 2001-2004 The Apache Software Foundation.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License")
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.apache.commons.configuration;
18  
19  /***
20   * Comparator for configurations interface.
21   *
22   * @since 1.0
23   *
24   * @author <a href="mailto:herve.quiroz@esil.univ-mrs.fr">Herve Quiroz</a>
25   * @version $Revision$, $Date: 2005-02-26 13:56:39 +0100 (Sat, 26 Feb 2005) $
26   */
27  public interface ConfigurationComparator
28  {
29      /***
30       * Compare two configuration objects.
31       *
32       * @param a the first configuration
33       * @param b the second configuration
34       * @return true if the two configurations are identical according to
35       *         the implemented rules
36       */
37      boolean compare(Configuration a, Configuration b);
38  }
39