1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.cooliris.media; 18 19 /** 20 * A pair of objects. Mostly auto-generated by Eclipse. 21 */ 22 public class Pair<S, T> { 23 public final S first; 24 public final T second; 25 26 public Pair(S first, T second) { 27 this.first = first; 28 this.second = second; 29 } 30 31 public static <S, T> Pair<S, T> create(S first, T second) { 32 return new Pair<S, T>(first, second); 33 } 34 35 @Override 36 public int hashCode() { 37 final int PRIME = 31; 38 int result = 1; 39 result = PRIME * result + ((first == null) ? 0 : first.hashCode()); 40 result = PRIME * result + ((second == null) ? 0 : second.hashCode()); 41 return result; 42 } 43 44 @SuppressWarnings("unchecked") 45 @Override 46 public boolean equals(Object obj) { 47 if (this == obj) { 48 return true; 49 } 50 if (obj == null) { 51 return false; 52 } 53 if (getClass() != obj.getClass()) { 54 return false; 55 } 56 final Pair<S, T> other = (Pair) obj; 57 if (first == null && other.first != null) { 58 return false; 59 } else if (!first.equals(other.first)) { 60 return false; 61 } 62 if (second == null && other.second != null) { 63 return false; 64 } else if (!second.equals(other.second)) { 65 return false; 66 } 67 return true; 68 } 69 70 } 71
