awsapi/src/com/cloud/bridge/util/OrderedPair.java

/*
 * Copyright (C) 2011 Citrix Systems, Inc.  All rights reserved.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.cloud.bridge.util;

/** 
 * @author Kelven Yang, John Zucker
 * Reusable class whose instances encode any ordered pair (or 2-tuple) of values of types T1 and T2
 * Provide getters: getFirst(), getSecond()
 * Provide setters: setFirst(val), setSecond(val)
 * @param <T1>
 * @param <T2>
 */
public class OrderedPair <T1, T2> {
	T1 first;
	T2 second;

	public OrderedPair(T1 t1, T2 t2) {
		first = t1;
		second = t2;
	}
	
	public T1 getFirst() {
		return first;
	}
	
	public OrderedPair<T1, T2> setFirst(T1 t1) {
		first = t1;
		return this;
	}
	
	public T2 getSecond() {
		return second;
	}
	
	public OrderedPair<T1, T2> setSecond(T2 t2) {
		second = t2;
		return this;
	}
}