BasePoolableObjectFactory


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 PoolableObjectFactory <tt>PoolableObjectFactory</tt>}.
21   * <p>
22   * All operations defined here are essentially no-op's.
23   *
24   * @see PoolableObjectFactory
25   * @see BaseKeyedPoolableObjectFactory
26   *
27   * @author Rodney Waldhoff
28   * @version $Revision$ $Date: 2005-02-26 05:13:28 -0800 (Sat, 26 Feb 2005) $ 
29   */
30  public abstract class BasePoolableObjectFactory implements PoolableObjectFactory {
31      public abstract Object   makeObject()
32          throws Exception  ;
33  
34      /** No-op. */
35      public void destroyObject(Object   obj)
36          throws Exception    {
37      }
38  
39      /**
40       * This implementation always returns <tt>true</tt>.
41       * @return <tt>true</tt>
42       */
43      public boolean validateObject(Object   obj) {
44          return true;
45      }
46  
47      /** No-op. */
48      public void activateObject(Object   obj)
49          throws Exception   {
50      }
51  
52      /** No-op. */
53      public void passivateObject(Object   obj) 
54          throws Exception   {
55      }
56  }
57
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