/**
 * Class for retaining comparator pairs in a clean fashion, since Java lacks
 * tuples--have to do it the hard way.
 * @author Ed Ropple
 */
public class ComparatorPair {
    int leftComparator;
    int rightComparator;

    /**
     * Constructor. Creates new ComparatorPair
     * @param leftComp The number of the comparator on the left side of the grid.
     * @param rightComp The number of the comparator on the right side of the grid.
     */
    public ComparatorPair(int leftComp, int rightComp)
    {
        leftComparator = leftComp;
        rightComparator = rightComp;
    }
    /**
     * @return The number of the comparator on the left side of the grid.
     */
    public Integer left()
    {
        return leftComparator;
    }
    /**
     * @return The number of the comparator on the right side of the grid.
     */
    public Integer right()
    {
        return rightComparator;
    }

    /**
     * Return a string representation in the form of "x y", where
     * x == left() and y == right().
     * @return The string representation of the ComparatorPair.
     */
    @Override
    public String toString()
    {
        return this.left().toString() + " " + this.right().toString();
    }
}