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Java > Open Source Codes > org > codehaus > dna > ReleaseUtil


1 /*
2  * Copyright (C) The DNA Group. All rights reserved.
3  *
4  * This software is published under the terms of the DNA
5  * Software License version 1.1, a copy of which has been included
6  * with this distribution in the LICENSE.txt file.
7  */
8 package org.codehaus.dna;
9
10 /**
11  * Utility class to signal to the container that
12  * a resource is no longer going to be used by
13  * the component.
14  *
15  * @version $Revision: 1.2 $ $Date: 2004/05/01 09:51:48 $
16  */
17 public class ReleaseUtil
18 {
19     /**
20      * Utility interface used to mark resources that
21      * can be released. Developers should never directly
22      * reference this class and never make a component
23      * implement this interface. Instead the container
24      * will choose to have the proxys of component implement
25      * the interface.
26      */
27     public interface Releaseable
28     {
29         /**
30          * Indicate to the container that component no
31          * longer needs resources.
32          */
33         void release();
34     }
35
36     /**
37      * The component invokes this method to indicate to
38      * the container that it no longer needs specified
39      * resource.
40      *
41      * @param object the resource
42      */
43     public static void release( final Object JavaDoc object )
44     {
45         if( object instanceof Releaseable )
46         {
47             ( (Releaseable)object ).release();
48         }
49     }
50 }
51
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