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


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  * Components should implement this interface if they need to
12  * be initialize resources at startup or deallocate resources
13  * during shutdown.
14  *
15  * <p>If the {@link #initialize()} method is invoked upon a
16  * component then the container must invoke the
17  * {@link #dispose()} even if the {@link #initialize()} throws
18  * an Exception.</p>
19  *
20  * @version $Revision: 1.2 $ $Date: 2004/05/01 09:51:48 $
21  */
22 public interface Active
23 {
24     /**
25      * Initialialize the component.
26      * This method gives the component the ability to
27      * perform processing or allocate any resources
28      * before the component becomes operational.
29      *
30      * @throws Exception if unable to initialize component.
31      */
32     void initialize()
33         throws Exception JavaDoc;
34
35     /**
36      * Dispose the component.
37      * This method gives the component the ability to
38      * perform processing or deallocate any resources
39      * before the component is destroyed.
40      *
41      * @throws Exception if unable to dispose component.
42      */
43     void dispose()
44         throws Exception JavaDoc;
45 }
46
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