multiplierfactory.java

jooneDTE的源码

/*
 * MultiplierFactory.java
 *
 * Created on 11 luglio 2004, 20.52
 */

package org.joone.dte.factory;

import org.joone.net.NeuralNet;
import java.util.ArrayList;
import org.joone.dte.TaskListFactory;

/**
 * This class gets in input a TaskList and generates N copies
 * of each element of the list.
 * Moreover, if noise > 0.0, for each generated element:
 * If randomize = false: applyes a noise to the weights
 * If randomize = true: initialize the weights 
 *
 * @author  paolo
 */
public class MultiplierFactory extends TaskListFactory {
    private int copies;
    private double noise = 0.0;
    private boolean randomize = false;
    private int currElem;
    private NeuralNet currNet = null;
    
    /** Creates a new instance of MultiplierFactory */
    public MultiplierFactory() {
        copies = 1;
        noise = 0.0;
    }
    
    public void initialize() {
        super.initialize();
        currElem = 0;
    }
    
    /**
     * Getter for property copies.
     * @return Value of property copies.
     */
    public int getCopies() {
        return copies;
    }
    
    /**
     * Setter for property copies.
     * @param copies New value of property copies.
     */
    public void setCopies(int copies) {
        this.copies = copies;
    }
    
    /**
     * Getter for property noise.
     * @return Value of property noise.
     */
    public double getNoise() {
        return noise;
    }
    
    /**
     * Setter for property noise.
     * @param noise New value of property noise.
     */
    public void setNoise(double noise) {
        this.noise = noise;
    }
        
    public NeuralNet getNextTask() {
        if ((currNet == null) || (currElem == 0)) {
            currNet = super.getNextTask();
            currElem = copies;
        }
        NeuralNet nnet = null;
        if (currNet != null) {
            nnet = currNet.cloneNet();
            if (noise > 0.0)
                nnet.addNoise(noise);
            --currElem;
        }
        return nnet;
    }
    
    public int getTotTasks() {
        return super.getTotTasks() * copies;
    }
    
    /**
     * Getter for property randomize.
     * @return Value of property randomize.
     */
    public boolean isRandomize() {
        return randomize;
    }
    
    /**
     * Setter for property randomize.
     * @param randomize New value of property randomize.
     */
    public void setRandomize(boolean randomize) {
        this.randomize = randomize;
    }
    
}