org.jgrapht.graph.DefaultEdge 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.
*/
/* ----------------
* DefaultEdge.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);
* 10-Aug-2003 : General edge refactoring (BN);
* 11-Mar-2004 : Made generic (CH);
* 28-May-2006 : Moved connectivity info from edge to graph (JVS);
*
*/
package org.jgrapht.graph;
import org.jgrapht.*;
/**
* A default implementation for edges in a {@link Graph}.
*
* @author Barak Naveh
* @since Jul 14, 2003
*/
public class DefaultEdge
extends IntrusiveEdge
{
private static final long serialVersionUID = 3258408452177932855L;
/**
* Retrieves the source of this edge. This is protected, for use by
* subclasses only (e.g. for implementing toString).
*
* @return source of this edge
*/
protected Object getSource()
{
return source;
}
/**
* Retrieves the target of this edge. This is protected, for use by
* subclasses only (e.g. for implementing toString).
*
* @return target of this edge
*/
protected Object getTarget()
{
return target;
}
@Override public String toString()
{
return "(" + source + " : " + target + ")";
}
}
// End DefaultEdge.java