Pair.java

package org.shanbo.feluca.paddle.common.collection;

/**
 * 
 * @author From_internet
 *
 * @param <L>
 * @param <R>
 */
public class Pair<L,R> {

	private final L left;
	private final R right;

	public Pair(L left, R right) {
		this.left = left;
		this.right = right;
	}

	public L getLeft() { return left; }
	public R getRight() { return right; }

	@Override
	public int hashCode() { return left.hashCode() ^ right.hashCode(); }

	@SuppressWarnings("unchecked")
	@Override
	public boolean equals(Object o) {
		if (o == null) return false;
		if (!(o instanceof Pair)) return false;
		Pair<L,R> pairo = (Pair<L,R>) o;
		return this.left.equals(pairo.getLeft()) &&
				this.right.equals(pairo.getRight());
	}

}