org.jgrapht.graph.ClassBasedEdgeFactory Maven / Gradle / Ivy
/* ==========================================
* JGraphT : a free Java graph-theory library
* ==========================================
*
* Project Info: http://jgrapht.sourceforge.net/
* Project Creator: Barak Naveh (http://sourceforge.net/users/barak_naveh)
*
* (C) Copyright 2003-2008, by Barak Naveh and Contributors.
*
* This program and the accompanying materials are dual-licensed under
* either
*
* (a) the terms of the GNU Lesser General Public License version 2.1
* as published by the Free Software Foundation, or (at your option) any
* later version.
*
* or (per the licensee's choosing)
*
* (b) the terms of the Eclipse Public License v1.0 as published by
* the Eclipse Foundation.
*/
/* ------------------
* ClassBasedEdgeFactory.java
* ------------------
* (C) Copyright 2003-2008, by Barak Naveh and Contributors.
*
* Original Author: Barak Naveh
* Contributor(s): Christian Hammer
*
* $Id$
*
* Changes
* -------
* 24-Jul-2003 : Initial revision (BN);
* 04-Aug-2003 : Renamed from EdgeFactoryFactory & made utility class (BN);
* 03-Nov-2003 : Made edge factories serializable (BN);
* 11-Mar-2004 : Made generic (CH);
* 28-May-2006 : Moved connectivity info from edge to graph (JVS);
*
*/
package org.jgrapht.graph;
import java.io.*;
import org.jgrapht.*;
/**
* An {@link EdgeFactory} for producing edges by using a class as a factory.
*
* @author Barak Naveh
* @since Jul 14, 2003
*/
public class ClassBasedEdgeFactory
implements EdgeFactory,
Serializable
{
private static final long serialVersionUID = 3618135658586388792L;
private final Class edgeClass;
public ClassBasedEdgeFactory(Class edgeClass)
{
this.edgeClass = edgeClass;
}
/**
* @see EdgeFactory#createEdge(Object, Object)
*/
@Override public E createEdge(V source, V target)
{
try {
return edgeClass.newInstance();
} catch (Exception ex) {
throw new RuntimeException("Edge factory failed", ex);
}
}
}
// End ClassBasedEdgeFactory.java