| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.tajo.util; |
| |
| import com.google.common.base.Objects; |
| |
| public class Pair<T1, T2> { |
| private T1 first; |
| private T2 second; |
| |
| public Pair(T1 first, T2 second) { |
| this.first = first; |
| this.second = second; |
| } |
| |
| public T1 getFirst() { |
| return first; |
| } |
| |
| public T2 getSecond() { |
| return second; |
| } |
| |
| public void setFirst(T1 first) { |
| this.first = first; |
| } |
| |
| public void setSecond(T2 second) { |
| this.second = second; |
| } |
| |
| @Override |
| public String toString() { |
| return first + "," + second; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (obj instanceof Pair) { |
| Pair other = (Pair) obj; |
| return first.equals(other.first) && second.equals(other.second); |
| } else { |
| return false; |
| } |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(first, second); |
| } |
| } |