org.jgrapht.graph.IntrusiveEdge 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.
*/
/* -------------------
* IntrusiveEdge.java
* -------------------
* (C) Copyright 2006-2008, by John V. Sichi and Contributors.
*
* Original Author: John V. Sichi
* Contributor(s): -
*
* $Id$
*
* Changes
* -------
* 28-May-2006 : Initial revision (JVS);
*
*/
package org.jgrapht.graph;
import java.io.*;
/**
* IntrusiveEdge encapsulates the internals for the default edge implementation.
* It is not intended to be referenced directly (which is why it's not public);
* use DefaultEdge for that.
*
* @author John V. Sichi
*/
class IntrusiveEdge
implements Cloneable,
Serializable
{
private static final long serialVersionUID = 3258408452177932855L;
Object source;
Object target;
/**
* @see Object#clone()
*/
public Object clone()
{
try {
return super.clone();
} catch (CloneNotSupportedException e) {
// shouldn't happen as we are Cloneable
throw new InternalError();
}
}
}
// End IntrusiveEdge.java