toxgene.core.genes.trees.ToxAlternatives Maven / Gradle / Ivy

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/**
 * Contains a set of alternative elements/attributes.
 *
 * @author Denilson Barbosa
 * @version 0.1
 */

package toxgene.core.genes.trees;

import java.io.PrintStream;
import java.util.Vector;

import toxgene.core.ToXgeneErrorException;
import toxgene.core.genes.ContainerGene;
import toxgene.core.genes.Gene;
import toxgene.core.genes.lists.ListGene;
import toxgene.core.genes.lists.ToxListElement;
import toxgene.core.genes.lists.ToxListElementException;
import toxgene.core.random.ToxRandom;
import toxgene.util.FloatObjectPair;

public class ToxAlternatives implements TreeGene, ContainerGene, ListGene{
  private Vector options;
  private float mass;
  /**
   * Pseudo-random number generator
   */
  private ToxRandom randomGenerator;
  
  private boolean drawn[];

  private FloatObjectPair chosen[];

  private int level;

  public ToxAlternatives(ToxRandom rand){
		level = 0;
		options = new Vector();
		mass = 0;
		randomGenerator = rand;
		drawn = new boolean[1];
		chosen = new FloatObjectPair[1];
		drawn[level] = false;
  }

  /**
   * Resets the gene.
   */
  public void reset(){
		for (int i=0; i chosen[depth].key()){
			i++;
			try {
				chosen[depth] = (FloatObjectPair) options.get(i);
			}
			catch (ArrayIndexOutOfBoundsException e){
				break;
			}
		}
		drawn[depth] = true;
  }

  public void addOption(float percent, Gene gene){
		mass += percent;
		if (mass > 100.0){
			throw new ToXgeneErrorException("invalid probability distribution!!!");
		}
		options.add(new FloatObjectPair(mass, gene));
  }

	public int numIterators(){
		int result = 0;
		for (int i=0; i