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 */
017package org.apache.directory.shared.util;
018
019/**
020 * Defines a simple key value pair.
021 * <p>
022 * A Map Entry has considerable additional semantics over and above a simple
023 * key-value pair. This interface defines the minimum key value, with just the
024 * two get methods.
025 *
026 * @since Commons Collections 3.0
027 * @version $Revision: 646777 $ $Date: 2008-04-10 13:33:15 +0100 (Thu, 10 Apr 2008) $
028 * 
029 * @author Stephen Colebourne
030 */
031public interface KeyValue {
032
033    /**
034     * Gets the key from the pair.
035     *
036     * @return the key 
037     */
038    Object getKey();
039
040    /**
041     * Gets the value from the pair.
042     *
043     * @return the value
044     */
045    Object getValue();
046
047}