001 package org.apache.turbine.om;
002
003
004 /*
005 * Licensed to the Apache Software Foundation (ASF) under one
006 * or more contributor license agreements. See the NOTICE file
007 * distributed with this work for additional information
008 * regarding copyright ownership. The ASF licenses this file
009 * to you under the Apache License, Version 2.0 (the
010 * "License"); you may not use this file except in compliance
011 * with the License. You may obtain a copy of the License at
012 *
013 * http://www.apache.org/licenses/LICENSE-2.0
014 *
015 * Unless required by applicable law or agreed to in writing,
016 * software distributed under the License is distributed on an
017 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
018 * KIND, either express or implied. See the License for the
019 * specific language governing permissions and limitations
020 * under the License.
021 */
022
023
024 /**
025 * This interface marks a class that has a retrieve(String) method.
026 *
027 * @author <a href="mailto:jmcnally@collab.net">John D. McNally</a>
028 * @version $Id: Retriever.java 615328 2008-01-25 20:25:05Z tv $
029 */
030 public interface Retriever
031 {
032 /**
033 * Gets an object of the same type as the object implementing
034 * this method according to the key.
035 *
036 * @return the object that matches the key
037 */
038 Object retrieve(String key)
039 throws Exception;
040 }