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Java > Open Source Codes > org > ungoverned > moduleloader > ModuleEvent


1 /*
2  * ModuleLoader - A generic, policy-driven class loader.
3  * Copyright (c) 2004, Richard S. Hall
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  *
10  * * Redistributions of source code must retain the above copyright
11  * notice, this list of conditions and the following disclaimer.
12  * * Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in
14  * the documentation and/or other materials provided with the
15  * distribution.
16  * * Neither the name of the ungoverned.org nor the names of its
17  * contributors may be used to endorse or promote products derived
18  * from this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  *
32  * Contact: Richard S. Hall (heavy@ungoverned.org)
33  * Contributor(s):
34  *
35 **/
36 package org.ungoverned.moduleloader;
37
38 import java.util.EventObject JavaDoc;
39
40 /**
41  * <p>
42  * This is an event class that is used by the <tt>ModuleManager</tt> to
43  * indicate when modules are added, removed, or reset. To receive these
44  * events, a <tt>ModuleListener</tt> must be added to the <tt>ModuleManager</tt>
45  * instance.
46  * </p>
47  * @see org.ungoverned.moduleloader.ModuleManager
48  * @see org.ungoverned.moduleloader.Module
49  * @see org.ungoverned.moduleloader.ModuleListener
50 **/
51 public class ModuleEvent extends EventObject JavaDoc
52 {
53     private Module m_module = null;
54
55     /**
56      * <p>
57      * Constructs a module event with the specified <tt>ModuleManager</tt>
58      * as the event source and the specified module as the subject of
59      * the event.
60      * </p>
61      * @param mgr the source of the event.
62      * @param module the subject of the event.
63     **/
64     public ModuleEvent(ModuleManager mgr, Module module)
65     {
66         super(mgr);
67         m_module = module;
68     }
69
70     /**
71      * <p>
72      * Returns the module that is the subject of the event.
73      * </p>
74      * @return the module that is the subject of the event.
75     **/
76     public Module getModule()
77     {
78         return m_module;
79     }
80 }
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