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Java > Open Source Codes > org > jgrapht > VertexFactory


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  * VertexFactory.java
27  * ------------------
28  * (C) Copyright 2003-2006, by John V. Sichi and Contributors.
29  *
30  * Original Author: John V. Sichi
31  * Contributor(s): Christian Hammer
32  *
33  * $Id: VertexFactory.java 485 2006-06-26 09:12:14Z perfecthash $
34  *
35  * Changes
36  * -------
37  * 16-Sep-2003 : Initial revision (JVS);
38  * 11-Mar-2004 : Made generic (CH);
39  *
40  */
41 package org.jgrapht;
42
43 /**
44  * A vertex factory used by graph algorithms for creating new vertices.
45  * Normally, vertices are constructed by user code and added to a graph
46  * explicitly, but algorithms which generate new vertices require a factory.
47  *
48  * @author John V. Sichi
49  * @since Sep 16, 2003
50  */
51 public interface VertexFactory<V>
52 {
53
54     //~ Methods ---------------------------------------------------------------
55
56     /**
57      * Creates a new vertex.
58      *
59      * @return the new vertex
60      */
61     public V createVertex();
62 }
63
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