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


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  * DefaultDirectedGraph.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: DefaultDirectedGraph.java 504 2006-07-03 02:37:26Z perfecthash $
34  *
35  * Changes
36  * -------
37  * 05-Aug-2003 : Initial revision (BN);
38  * 11-Mar-2004 : 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 directed graph. A default directed graph is a non-simple directed graph in
49  * which multiple edges between any two vertices are <i>not</i> permitted, but
50  * loops are.
51  *
52  * <p>prefixed 'Default' to avoid name collision with the DirectedGraph
53  * interface.</p>
54  */
55 public class DefaultDirectedGraph<V, E>
56     extends AbstractBaseGraph<V, E>
57     implements DirectedGraph<V, E>
58 {
59
60     //~ Static fields/initializers --------------------------------------------
61
62     private static final long serialVersionUID = 3544953246956466230L;
63
64     //~ Constructors ----------------------------------------------------------
65
66     /**
67      * Creates a new directed graph.
68      *
69      * @param edgeClass class on which to base factory for edges
70      */
71     public DefaultDirectedGraph(Class JavaDoc<? extends E> edgeClass)
72     {
73         this(new ClassBasedEdgeFactory<V, E>(edgeClass));
74     }
75
76     /**
77      * Creates a new directed graph with the specified edge factory.
78      *
79      * @param ef the edge factory of the new graph.
80      */
81     public DefaultDirectedGraph(EdgeFactory<V, E> ef)
82     {
83         super(ef, false, true);
84     }
85 }
86
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