picture1graph.java

JAVA图论的算法包。用过觉得还不错

/* ==========================================
 * 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 2003-2007, by Barak Naveh and Contributors.
 *
 * This library is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; either version 2.1 of the License, or
 * (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
 * License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library; if not, write to the Free Software Foundation,
 * Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
 */
/* -------------------------
 * Picture1Graph.java
 * -------------------------
 * (C) Copyright 2007-2007, by France Telecom
 *
 * Original Author:  Guillaume Boulmier and Contributors.
 *
 * $Id: Picture1Graph.java 568 2007-09-30 00:12:18Z perfecthash $
 *
 * Changes
 * -------
 * 05-Jun-2007 : Initial revision (GB);
 *
 */
package org.jgrapht.alg;

import org.jgrapht.graph.*;


/**
 * <img src="./Picture1.jpg">
 *
 * @author Guillaume Boulmier
 * @since July 5, 2007
 */
@SuppressWarnings("unchecked")
public class Picture1Graph
    extends SimpleDirectedWeightedGraph
{
    //~ Static fields/initializers ---------------------------------------------

    /**
     */
    private static final long serialVersionUID = 5587737522611531029L;

    //~ Instance fields --------------------------------------------------------

    public Object e15;

    public Object e25;

    public Object e27;

    public Object e37;

    public Object e47;

    public Object e56;

    public Object e57;

    public Object e67;

    public Object eS1;

    public Object eS2;

    public Object eS3;

    public Object eS4;

    public Object eS7;

    //~ Constructors -----------------------------------------------------------

    /**
     * <img src="./Picture1.jpg">
     */
    public Picture1Graph()
    {
        super(DefaultWeightedEdge.class);

        addVertices();
        addEdges();
    }

    //~ Methods ----------------------------------------------------------------

    private void addEdges()
    {
        this.eS1 = this.addEdge("vS", "v1");
        this.eS2 = this.addEdge("vS", "v2");
        this.eS3 = this.addEdge("vS", "v3");
        this.eS4 = this.addEdge("vS", "v4");
        this.eS7 = this.addEdge("vS", "v7");
        this.e15 = this.addEdge("v1", "v5");
        this.e25 = this.addEdge("v2", "v5");
        this.e27 = this.addEdge("v2", "v7");
        this.e37 = this.addEdge("v3", "v7");
        this.e47 = this.addEdge("v4", "v7");
        this.e56 = this.addEdge("v5", "v6");
        this.e57 = this.addEdge("v5", "v7");
        this.e67 = this.addEdge("v6", "v7");

        setEdgeWeight(this.eS1, 3.0);
        setEdgeWeight(this.eS2, 2.0);
        setEdgeWeight(this.eS3, 10.0);
        setEdgeWeight(this.eS4, 15.0);
        setEdgeWeight(this.eS7, 15.0);
        setEdgeWeight(this.e15, 3.0);
        setEdgeWeight(this.e25, 6.0);
        setEdgeWeight(this.e27, 10.0);
        setEdgeWeight(this.e37, 20.0);
        setEdgeWeight(this.e47, 5.0);
        setEdgeWeight(this.e56, -3.0);
        setEdgeWeight(this.e57, 4.0);
        setEdgeWeight(this.e67, 5.0);
    }

    private void addVertices()
    {
        addVertex("vS");
        addVertex("v1");
        addVertex("v2");
        addVertex("v3");
        addVertex("v4");
        addVertex("v5");
        addVertex("v6");
        addVertex("v7");
    }
}

// End Picture1Graph.java