import Individual;
import java.util.Vector;
						
public class Generation
{
	protected Individual population[];
	public Generation(int num)
	{
		population=new Individual[num];
	}
	public Individual getIndividualAt(int i) throws ArrayIndexOutOfBoundsException
	{
		return population[i];
	}
	public void setIndividualAt(Individual indiv, int i) throws ArrayIndexOutOfBoundsException
	{
		population[i]=indiv;
	}
	public int getNumIndividuals()
	{
		return population.length;
	}
	public int[] getFitnessArray()
	{
		int len=getNumIndividuals();
		int ret[]=new int[len];
		for (int i=0;i<len;i++)
		{
			try
			{
				ret[i]=getIndividualAt(i).getFitness();
			}
			catch (ArrayIndexOutOfBoundsException e)
			{
				System.out.println("Code error in GAGeneration.getFitnessArray()");
			}
		}
		return ret;
	}
	public int lastIndexOf(Individual indiv)
	{
		for (int i=population.length-1; i>=0; i--)
			if (population[i]==indiv)
				return i;
		return -1;
	}
}