01: /**
02: * Copyright (c) 2000-2008 Liferay, Inc. All rights reserved.
03: *
04: * Permission is hereby granted, free of charge, to any person obtaining a copy
05: * of this software and associated documentation files (the "Software"), to deal
06: * in the Software without restriction, including without limitation the rights
07: * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
08: * copies of the Software, and to permit persons to whom the Software is
09: * 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: */package com.liferay.portal.kernel.util;
22:
23: /**
24: * <a href="Tuple.java.html"><b><i>View Source</i></b></a>
25: *
26: * @author Alexander Chow
27: *
28: */
29: public class Tuple {
30:
31: public Tuple(Object obj0, Object obj1) {
32: _array = new Object[] { obj0, obj1 };
33: }
34:
35: public Tuple(Object obj0, Object obj1, Object obj2) {
36: _array = new Object[] { obj0, obj1, obj2 };
37: }
38:
39: public Tuple(Object obj0, Object obj1, Object obj2, Object obj3) {
40: _array = new Object[] { obj0, obj1, obj2, obj3 };
41: }
42:
43: public Tuple(Object[] array) {
44: _array = array;
45: }
46:
47: public Object getObject(int i) {
48: return _array[i];
49: }
50:
51: public boolean equals(Object obj) {
52: if (!(obj instanceof Tuple)) {
53: return false;
54: }
55:
56: Tuple tuple = (Tuple) obj;
57:
58: if (tuple._array.length != _array.length) {
59: return false;
60: }
61:
62: for (int i = 0; i < _array.length; i++) {
63: if ((tuple._array != null) && (_array[i] != null)
64: && (!_array[i].equals(tuple._array[i]))) {
65:
66: return false;
67: } else if ((tuple._array[i] == null) || (_array[i] == null)) {
68: return false;
69: }
70: }
71:
72: return true;
73: }
74:
75: public int hashCode() {
76: int hashCode = 0;
77:
78: for (int i = 0; i < _array.length; i++) {
79: hashCode = hashCode ^ _array[i].hashCode();
80: }
81:
82: return hashCode;
83: }
84:
85: private Object[] _array;
86:
87: }
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