1 /*
2  * Copyright (C) 2014 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 android.util;
18 
19 import java.util.Arrays;
20 
21 public class Pair<T1, T2> {
22     public final T1 mFirst;
23     public final T2 mSecond;
24 
Pair(final T1 first, final T2 second)25     public Pair(final T1 first, final T2 second) {
26         mFirst = first;
27         mSecond = second;
28     }
29 
30     @Override
hashCode()31     public int hashCode() {
32         return Arrays.hashCode(new Object[] { mFirst, mSecond });
33     }
34 
35     @Override
equals(Object o)36     public boolean equals(Object o) {
37         if (o == this) return true;
38         if (!(o instanceof Pair)) return false;
39         Pair<?, ?> p = (Pair<?, ?>)o;
40         return ((mFirst == null && p.mFirst == null) || mFirst.equals(p.mFirst))
41                 && ((mSecond == null && p.mSecond == null) || mSecond.equals(p.mSecond));
42     }
43 }
44