Retriever


1   package org.apache.turbine.om;
2   
3   /*
4    * Copyright 2001-2004 The Apache Software Foundation.
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License")
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    *
10   *     http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  
19  /**
20   * This interface marks a class that has a retrieve(String) method.
21   *
22   * @author <a HREF="mailto:jmcnally@collab.net">John D. McNally</a>
23   * @version $Id: Retriever.java,v 1.4.2.2 2004/05/20 03:05:19 seade Exp $
24   */
25  public interface Retriever
26  {
27      /**
28       * Gets an object of the same type as the object implementing
29       * this method according to the key.
30       *
31       * @return the object that matches the key
32       */
33      Object   retrieve(String   key)
34          throws Exception  ;
35  }
36

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