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.Objects;
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 (mFirst == null ? 0 : mFirst.hashCode())
33                 ^ (mSecond == null ? 0 : mSecond.hashCode());
34     }
35 
36     @Override
equals(Object o)37     public boolean equals(Object o) {
38         if (o == this) return true;
39         if (!(o instanceof Pair)) return false;
40         Pair<?, ?> p = (Pair<?, ?>)o;
41         return Objects.equals(mFirst, p.mFirst) && Objects.equals(mSecond, p.mSecond);
42     }
43 }
44