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Java > Open Source Codes > org > apache > commons > pool > BaseKeyedPoolableObjectFactory


1 /*
2  * Copyright 1999-2004 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.pool;
18
19 /**
20  * A base implemenation of {@link KeyedPoolableObjectFactory KeyedPoolableObjectFactory}.
21  * <p>
22  * All operations defined here are essentially no-op's.
23  *
24  * @see KeyedPoolableObjectFactory
25  *
26  * @author Rodney Waldhoff
27  * @version $Revision$ $Date: 2005-02-26 05:13:28 -0800 (Sat, 26 Feb 2005) $
28  */

29 public abstract class BaseKeyedPoolableObjectFactory implements KeyedPoolableObjectFactory {
30     public abstract Object JavaDoc makeObject(Object JavaDoc key)
31         throws Exception JavaDoc;
32
33     /** No-op. */
34     public void destroyObject(Object JavaDoc key, Object JavaDoc obj)
35         throws Exception JavaDoc {
36     }
37
38     /**
39      * This implementation always returns <tt>true</tt>.
40      * @return <tt>true</tt>
41      */

42     public boolean validateObject(Object JavaDoc key, Object JavaDoc obj) {
43         return true;
44     }
45
46     /** No-op. */
47     public void activateObject(Object JavaDoc key, Object JavaDoc obj)
48         throws Exception JavaDoc {
49     }
50
51     /** No-op. */
52     public void passivateObject(Object JavaDoc key, Object JavaDoc obj)
53         throws Exception JavaDoc {
54     }
55 }
56
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