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.api.util;
018
019
020/**
021 * Defines a simple key value pair.
022 * <p>
023 * A Map Entry has considerable additional semantics over and above a simple
024 * key-value pair. This interface defines the minimum key value, with just the
025 * two get methods.
026 *
027 * @since Commons Collections 3.0
028 * @version $Revision: 646777 $ $Date: 2008-04-10 13:33:15 +0100 (Thu, 10 Apr 2008) $
029 * 
030 * @author Stephen Colebourne
031 */
032public interface KeyValue
033{
034
035    /**
036     * Gets the key from the pair.
037     *
038     * @return the key 
039     */
040    Object getKey();
041
042
043    /**
044     * Gets the value from the pair.
045     *
046     * @return the value
047     */
048    Object getValue();
049
050}