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Java > Open Source Codes > net > sourceforge > pmd > util > viewer > model > ViewerModelEvent


1 package net.sourceforge.pmd.util.viewer.model;
2
3 /**
4  * The event which will be sent every time the model changes
5  * <p/>
6  * <p/>
7  * <p/>
8  * <p/>
9  * <p/>
10  * Note: the instances will be immutable
11  * <p/>
12  * </p>
13  *
14  * @author Boris Gruschko ( boris at gruschko.org )
15  * @version $Id: ViewerModelEvent.java,v 1.7 2006/02/10 14:15:31 tomcopeland Exp $
16  */
17 public class ViewerModelEvent {
18     /**
19      * reason in the case of code recompilation
20      */
21     public static final int CODE_RECOMPILED = 1;
22     /**
23      * reason in the case of node selection
24      */
25     public static final int NODE_SELECTED = 2;
26     /**
27      * reason in the case of path extension
28      */
29     public static final int PATH_EXPRESSION_APPENDED = 3;
30     /**
31      * reason in the case of path expression evaluation
32      */
33     public static final int PATH_EXPRESSION_EVALUATED = 4;
34     private Object JavaDoc source;
35     private int reason;
36     private Object JavaDoc parameter;
37
38     /**
39      * Creates an event
40      *
41      * @param source event's source
42      * @param reason event's reason
43      */
44     public ViewerModelEvent(Object JavaDoc source, int reason) {
45         this(source, reason, null);
46     }
47
48     /**
49      * Creates an event
50      *
51      * @param source event's source
52      * @param reason event's reason
53      * @param parameter parameter object
54      */
55     public ViewerModelEvent(Object JavaDoc source, int reason, Object JavaDoc parameter) {
56         this.source = source;
57         this.reason = reason;
58         this.parameter = parameter;
59     }
60
61     public int getReason() {
62         return reason;
63     }
64
65     public Object JavaDoc getSource() {
66         return source;
67     }
68
69     public Object JavaDoc getParameter() {
70         return parameter;
71     }
72 }
73
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