Tuple.java |
1 /** 2 * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 23 package com.liferay.portal.kernel.util; 24 25 /** 26 * <a href="Tuple.java.html"><b><i>View Source</i></b></a> 27 * 28 * @author Alexander Chow 29 * 30 */ 31 public class Tuple { 32 33 public Tuple(Object obj0, Object obj1) { 34 _array = new Object[] {obj0, obj1}; 35 } 36 37 public Tuple(Object obj0, Object obj1, Object obj2) { 38 _array = new Object[] {obj0, obj1, obj2}; 39 } 40 41 public Tuple(Object obj0, Object obj1, Object obj2, Object obj3) { 42 _array = new Object[] {obj0, obj1, obj2, obj3}; 43 } 44 45 public Tuple(Object[] array) { 46 _array = array; 47 } 48 49 public Object getObject(int i) { 50 return _array[i]; 51 } 52 53 public boolean equals(Object obj) { 54 if (!(obj instanceof Tuple)) { 55 return false; 56 } 57 58 Tuple tuple = (Tuple)obj; 59 60 if (tuple._array.length != _array.length) { 61 return false; 62 } 63 64 for (int i = 0; i < _array.length; i++) { 65 if ((tuple._array != null) && (_array[i] != null) && 66 (!_array[i].equals(tuple._array[i]))) { 67 68 return false; 69 } 70 else if ((tuple._array[i] == null) || (_array[i] == null)) { 71 return false; 72 } 73 } 74 75 return true; 76 } 77 78 public int hashCode() { 79 int hashCode = 0; 80 81 for (int i = 0; i < _array.length; i++) { 82 hashCode = hashCode ^ _array[i].hashCode(); 83 } 84 85 return hashCode; 86 } 87 88 private Object[] _array; 89 90 }