AbstractReferenceProxy


1   /* 
2    * Copyright 2002-2004 The Apache Software Foundation
3    * Licensed  under the  Apache License,  Version 2.0  (the "License");
4    * you may not use  this file  except in  compliance with the License.
5    * You may obtain a copy of the License at 
6    * 
7    *   http://www.apache.org/licenses/LICENSE-2.0
8    * 
9    * Unless required by applicable law or agreed to in writing, software
10   * distributed  under the  License is distributed on an "AS IS" BASIS,
11   * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY KIND, either  express  or
12   * implied.
13   * 
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.avalon.excalibur.component.servlet;
18  
19  /**
20   * Common Reference Proxy implementation.
21   *
22   * @deprecated ECM is no longer supported
23   *
24   * @author <a HREF="mailto:dev@avalon.apache.org">Avalon Development Team</a>
25   * @version CVS $Revision: 1.4 $ $Date: 2004/02/28 11:47:16 $
26   * @since 4.2
27   */
28  abstract class AbstractReferenceProxy
29      implements ReferenceProxy
30  {
31      /** AbstractReferenceProxyLatch which owns the proxy. */
32      private AbstractReferenceProxyLatch m_latch;
33  
34      /** Name of the proxy. */
35      private String   m_name;
36  
37      /*---------------------------------------------------------------
38       * Constructors
39       *-------------------------------------------------------------*/
40      /**
41       * Create a new AbstractReferenceProxy around a given object.
42       *
43       * @param object The object to protect with the proxy.
44       * @param latch ReferenceProxyLatch which owns the proxy.
45       */
46      AbstractReferenceProxy( AbstractReferenceProxyLatch latch, String   name )
47      {
48          m_latch = latch;
49          m_name = name;
50      }
51  
52      /*---------------------------------------------------------------
53       * Methods
54       *-------------------------------------------------------------*/
55      /**
56       * Returns the name of the proxy.
57       *
58       * @return The name of the proxy.
59       */
60      String   getName()
61      {
62          return m_name;
63      }
64  
65      /**
66       * Called when all references to the ReferenceProxy have been removed.
67       */
68      protected void finalize()
69      {
70          m_latch.notifyFinalized( this );
71      }
72  }
73
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