| /* |
| * Copyright 2009-2010 by The Regents of the University of California |
| * 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 from |
| * |
| * 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 edu.uci.ics.hyracks.algebricks.common.utils; |
| |
| import java.io.Serializable; |
| |
| public class Pair<T1, T2> implements Serializable { |
| |
| private static final long serialVersionUID = 1L; |
| public T1 first; |
| public T2 second; |
| |
| public Pair(T1 first, T2 second) { |
| this.first = first; |
| this.second = second; |
| } |
| |
| @Override |
| public String toString() { |
| return first + "," + second; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (!(obj instanceof Pair<?, ?>)) { |
| return false; |
| } else { |
| Pair<?, ?> p = (Pair<?, ?>) obj; |
| return this.first.equals(p.first) && this.second.equals(p.second); |
| } |
| } |
| |
| @Override |
| public int hashCode() { |
| return first.hashCode() * 31 + second.hashCode(); |
| } |
| |
| } |