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Java > Open Source Codes > org > jgrapht > graph > Multigraph


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  * Multigraph.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: Multigraph.java 504 2006-07-03 02:37:26Z perfecthash $
34  *
35  * Changes
36  * -------
37  * 05-Aug-2003 : Initial revision (BN);
38  * 06-Aug-2005 : Made generic (CH);
39  * 28-May-2006 : Moved connectivity info from edge to graph (JVS);
40  *
41  */
42 package org.jgrapht.graph;
43
44 import org.jgrapht.*;
45
46
47 /**
48  * A multigraph. A multigraph is a non-simple undirected graph in which no loops
49  * are permitted, but multiple edges between any two vertices are. If you're
50  * unsure about multigraphs, see: <a
51  * HREF="http://mathworld.wolfram.com/Multigraph.html">
52  * http://mathworld.wolfram.com/Multigraph.html</a>.
53  */
54 public class Multigraph<V, E>
55     extends AbstractBaseGraph<V, E>
56     implements UndirectedGraph<V, E>
57 {
58
59     //~ Static fields/initializers --------------------------------------------
60
61     private static final long serialVersionUID = 3257001055819871795L;
62
63     //~ Constructors ----------------------------------------------------------
64
65     /**
66      * Creates a new multigraph.
67      *
68      * @param edgeClass class on which to base factory for edges
69      */
70     public Multigraph(Class JavaDoc<? extends E> edgeClass)
71     {
72         this(new ClassBasedEdgeFactory<V, E>(edgeClass));
73     }
74
75     /**
76      * Creates a new multigraph with the specified edge factory.
77      *
78      * @param ef the edge factory of the new graph.
79      */
80     public Multigraph(EdgeFactory<V, E> ef)
81     {
82         super(ef, true, false);
83     }
84 }
85
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