modelsnapshot.java

一个用于排队系统仿真的开源软件,有非常形象的图象仿真过程!

/**    
  * Copyright (C) 2006, Laboratorio di Valutazione delle Prestazioni - Politecnico di Milano

  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version.

  * This program 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 General Public License for more details.

  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  */
  
package jmt.gui.jmodel.controller;

import java.util.HashMap;
import java.util.Iterator;
import java.util.Vector;

/**
 * <p>Title: Model Snapshot</p>
 * <p>Description: it is a snapshot of the model. It extends HashMap. </p>
 *
 * @author Francesco D'Aquino
 *         Date: 9-nov-2005
 *         Time: 12.03.53
 */
public class ModelSnapshot extends HashMap {
    Vector stations;
    Vector classes;
    double maxValue;

    public ModelSnapshot(Vector stationKeys, Vector classKeys) {
        stations = stationKeys;
        classes = classKeys;
    }

    public void put(Object stationKey, HashMap stationContent) {
        super.put(stationKey,stationContent);
    }

    public double getMaxValue() {
        return maxValue;
    }

    public void setMaxValue(double maxJobNumber) {
        maxValue = maxJobNumber;
    }

    public double getValue(Object stationKey,Object classKey) {
        double value=0;
        HashMap map = (HashMap)this.get(stationKey);
        Object temp = map.get(classKey);
        if (temp instanceof Integer) value = ((Integer)temp).doubleValue();
        else if (temp instanceof Double) value = ((Double)temp).doubleValue();
        return value;
    }

    public Vector getServers() {
        return stations;
    }

    public void reset() {
        Iterator temp = this.keySet().iterator();
        while (temp.hasNext()) {
            this.remove(temp.next());
        }
        temp = null;
        this.clear();
    }
}