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Java > Open Source Codes > org > jgrapht > event > VertexSetListener


1 /* ==========================================
2  * JGraphT : a free Java graph-theory library
3  * ==========================================
4  *
5  * Project Info: http://jgrapht.sourceforge.net/
6  * Project Creator: Barak Naveh (http://sourceforge.net/users/barak_naveh)
7  *
8  * (C) Copyright 2003-2006, by Barak Naveh and Contributors.
9  *
10  * This library is free software; you can redistribute it and/or modify it
11  * under the terms of the GNU Lesser General Public License as published by
12  * the Free Software Foundation; either version 2.1 of the License, or
13  * (at your option) any later version.
14  *
15  * This library is distributed in the hope that it will be useful, but
16  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
17  * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
18  * License for more details.
19  *
20  * You should have received a copy of the GNU Lesser General Public License
21  * along with this library; if not, write to the Free Software Foundation,
22  * Inc.,
23  * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
24  */
25 /* ----------------------
26  * VertexSetListener.java
27  * ----------------------
28  * (C) Copyright 2003-2006, by Barak Naveh and Contributors.
29  *
30  * Original Author: Barak Naveh
31  * Contributor(s): Christian Hammer
32  *
33  * $Id: VertexSetListener.java 504 2006-07-03 02:37:26Z perfecthash $
34  *
35  * Changes
36  * -------
37  * 24-Jul-2003 : Initial revision (BN);
38  * 10-Aug-2003 : Adaptation to new event model (BN);
39  * 11-Mar-2004 : Made generic (CH);
40  *
41  */
42 package org.jgrapht.event;
43
44 import java.util.*;
45
46
47 /**
48  * A listener that is notified when the graph's vertex set changes. It should be
49  * used when <i>only</i> notifications on vertex-set changes are of interest. If
50  * all graph notifications are of interest better use <code>
51  * GraphListener</code>.
52  *
53  * @author Barak Naveh
54  * @see GraphListener
55  * @since Jul 18, 2003
56  */
57 public interface VertexSetListener<V>
58     extends EventListener
59 {
60
61     //~ Methods ---------------------------------------------------------------
62
63     /**
64      * Notifies that a vertex has been added to the graph.
65      *
66      * @param e the vertex event.
67      */
68     public void vertexAdded(GraphVertexChangeEvent<V> e);
69
70     /**
71      * Notifies that a vertex has been removed from the graph.
72      *
73      * @param e the vertex event.
74      */
75     public void vertexRemoved(GraphVertexChangeEvent<V> e);
76 }
77
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