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Java > Open Source Codes > org > jfree > chart > event > MarkerChangeEvent


1 /* ===========================================================
2  * JFreeChart : a free chart library for the Java(tm) platform
3  * ===========================================================
4  *
5  * (C) Copyright 2000-2006, 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
20  * License along with this library; if not, write to the Free Software
21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
22  * USA.
23  *
24  * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
25  * in the United States and other countries.]
26  *
27  * ----------------------
28  * MarkerChangeEvent.java
29  * ----------------------
30  * (C) Copyright 2006, by Object Refinery Limited.
31  *
32  * Original Author: David Gilbert (for Object Refinery Limited);
33  * Contributor(s): -;
34  *
35  * $Id: MarkerChangeEvent.java,v 1.1.2.3 2006/10/25 14:49:30 mungady Exp $
36  *
37  * Changes
38  * -------
39  * 05-Sep-2006 : Version 1 (DG);
40  *
41  */
42
43 package org.jfree.chart.event;
44
45 import org.jfree.chart.plot.Marker;
46
47 /**
48  * An event that can be forwarded to any {@link MarkerChangeListener} to
49  * signal a change to a {@link Marker}.
50  *
51  * @since 1.0.3
52  */
53 public class MarkerChangeEvent extends ChartChangeEvent {
54
55     /** The plot that generated the event. */
56     private Marker marker;
57
58     /**
59      * Creates a new <code>MarkerChangeEvent</code> instance.
60      *
61      * @param marker the marker that triggered the event (<code>null</code>
62      * not permitted).
63      *
64      * @since 1.0.3
65      */
66     public MarkerChangeEvent(Marker marker) {
67         super(marker);
68         this.marker = marker;
69     }
70
71     /**
72      * Returns the marker that triggered the event.
73      *
74      * @return The marker that triggered the event (never <code>null</code>).
75      *
76      * @since 1.0.3
77      */
78     public Marker getMarker() {
79         return this.marker;
80     }
81
82 }
83
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