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Java > Open Source Codes > org > jfree > chart > renderer > junit > RendererChangeDetector


1 /* ===========================================================
2  * JFreeChart : a free chart library for the Java(tm) platform
3  * ===========================================================
4  *
5  * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
6  *
7  * Project Info: http://www.jfree.org/jfreechart/index.html
8  *
9  * This library is free software; you can redistribute it and/or modify it
10  * under the terms of the GNU Lesser General Public License as published by
11  * the Free Software Foundation; either version 2.1 of the License, or
12  * (at your option) any later version.
13  *
14  * This library is distributed in the hope that it will be useful, but
15  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
16  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
17  * License for more details.
18  *
19  * You should have received a copy of the GNU Lesser General Public License
20  * along with this library; if not, write to the Free Software Foundation,
21  * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
22  *
23  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
24  * in the United States and other countries.]
25  *
26  * ---------------------------
27  * RendererChangeDetector.java
28  * ---------------------------
29  * (C) Copyright 2003, 2004, by Object Refinery Limited and Contributors.
30  *
31  * Original Author: David Gilbert (for Object Refinery Limited);
32  * Contributor(s): -;
33  *
34  * $Id: RendererChangeDetector.java,v 1.2 2005/03/16 16:18:43 mungady Exp $
35  *
36  * Changes
37  * -------
38  * 29-Oct-2003 : Version 1 (DG);
39  *
40  */
41
42 package org.jfree.chart.renderer.junit;
43
44 import org.jfree.chart.event.RendererChangeEvent;
45 import org.jfree.chart.event.RendererChangeListener;
46
47 /**
48  * A simple class for detecting whether or not a renderer has generated
49  * a {@link RendererChangeEvent}.
50  */
51 public class RendererChangeDetector implements RendererChangeListener {
52    
53     /** A flag that records whether or not a change event has been received. */
54     private boolean notified;
55     
56     /**
57      * Creates a new detector.
58      */
59     public RendererChangeDetector() {
60         this.notified = false;
61     }
62     
63     /**
64      * Returns the flag that indicates whether or not a change event has been
65      * received.
66      *
67      * @return The flag.
68      */
69     public boolean getNotified() {
70         return this.notified;
71     }
72     
73     /**
74      * Sets the flag that indicates whether or not a change event has been
75      * received.
76      *
77      * @param notified the new value of the flag.
78      */
79     public void setNotified(boolean notified) {
80         this.notified = notified;
81     }
82     
83     /**
84      * Receives a {@link RendererChangeEvent} from a renderer.
85      *
86      * @param event the event.
87      */
88     public void rendererChanged(RendererChangeEvent event) {
89         this.notified = true;
90     }
91     
92 }
93
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