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
17package com.cooliris.media;
18
19/**
20 * A pair of objects. Mostly auto-generated by Eclipse.
21 */
22public 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