mmpp2.java

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/*
 * Created on Oct 31, 2006
 *
 * TODO To change the template for this generated file go to
 * Window - Preferences - Java - Code Style - Code Templates
 */

/**    
 * 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.common.distributions;

//import jmt.gui.common.distributions.Distribution.Parameter;
//import jmt.gui.common.distributions.Distribution.ValueChecker;
import jmt.gui.common.resources.ImageLoader;

import javax.swing.*;

/**
* <p>Title: Constant Distribution</p>
* <p>Description: MMPP(2) distribution data structure</p>
* 
* @author Casale Giuliano
*         Date: 31-oct-2006
*         Time: 18.02.30
*/
public class MMPP2 extends Distribution{
   /**
    * Construct a new MMPP2 distribution
    */
   public MMPP2() {
       super("MMPP2",
               "jmt.engine.random.MMPP2",
               "jmt.engine.random.MMPP2Par",
               "MMPP(2)");
       hasMean = false;
   }

   /**
    * Used to set parameters of this distribution.
    * @return distribution parameters
    */
   protected Parameter[] setParameters() {
    // Creates parameter array
    Parameter[] parameters = new Parameter[4];
    // Sets parameter alpha
    parameters[2] = new Parameter("r0",
            "r0",
            Double.class,
            new Double(0.5));
    // Checks value of alpha must greater or equal then 2
    parameters[2].setValueChecker(new ValueChecker() {
        public boolean checkValue(Object value) {
            Double d = (Double) value;
            if (d.doubleValue() >= 0.0 && d.doubleValue() <=1.0  )
                return true;
            else
                return false;
        }
    });

    // Sets parameter k
    parameters[3] = new Parameter("r1",
            "r1",
            Double.class,
            new Double(0.5));
    // Checks value of k must be greater then 0
    parameters[3].setValueChecker(new ValueChecker() {
        public boolean checkValue(Object value) {
            Double d = (Double) value;
            if (d.doubleValue() >= 0.0 && d.doubleValue() <=1.0  )
                return true;
            else
                return false;
        }
    });
    
    // Sets parameter k
    parameters[0] = new Parameter("lambda0",
            "\u03BB0",
            Double.class,
            new Double(1.0));
    // Checks value of k must be greater then 0
    parameters[0].setValueChecker(new ValueChecker() {
        public boolean checkValue(Object value) {
            Double d = (Double) value;
            if (d.doubleValue() >= 0)
                return true;
            else
                return false;
        }
    });
    
    // Sets parameter k
    parameters[1] = new Parameter("lambda1",
            "\u03BB1",
            Double.class,
            new Double(2.0));
    // Checks value of k must be greater then 0
    parameters[1].setValueChecker(new ValueChecker() {
        public boolean checkValue(Object value) {
            Double d = (Double) value;
            if (d.doubleValue() >= 0)
                return true;
            else
                return false;
        }
    });

    return parameters;
}

   /**
    * Sets explicative image of this distribution used, together with description, to help the
    * user to understand meaning of parameters.
    * @return explicative image
    */
   protected ImageIcon setImage() {
       return ImageLoader.loadImage("MMPP2");
   }

   /**
    * Returns this distribution's short description
    * @return distribution's short description
    */
   public String toString() {
       return "mmpp2(" +
       FormatNumber(((Double)parameters[0].getValue()).doubleValue()) + "," +
       FormatNumber(((Double)parameters[1].getValue()).doubleValue()) + "," +
       FormatNumber(((Double)parameters[2].getValue()).doubleValue()) + "," +
       FormatNumber(((Double)parameters[3].getValue()).doubleValue()) +
               ")";
   }

}