/** GenotypeComparator.java
 *  J Scott Cameron
 *
 *  This class is used to compare two Genotype for sorting
 *  Using this class will actually cause reverse-sorting
 *  so that the best genotype is at the front of the Array
 */
import java.util.*;
import java.io.*;

public class GenotypeComparator implements Comparator
{
    public GenotypeComparator()
    {}
    
    /* returns 1 if Genotype 1 is smaller
     * -1 if Genetype 1 is larger
     * and 0 if they are equal
     */
    public int compare(Object o1, Object o2)
    {
        Genotype g1 = (Genotype)o1;
        Genotype g2 = (Genotype)o2;
        
        if(g1.getRating() < g2.getRating())
        {
            return 1;
        }
        else if(g1.getRating() > g2.getRating())
        {
            return -1;
        }
        
        return 0;
    }
}