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 25 public Pair(final T1 first, final T2 second) { 26 mFirst = first; 27 mSecond = second; 28 } 29 30 @Override 31 public int hashCode() { 32 return (mFirst == null ? 0 : mFirst.hashCode()) 33 ^ (mSecond == null ? 0 : mSecond.hashCode()); 34 } 35 36 @Override 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
