1 /* 2 * Copyright (C) 2017 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 com.android.internal.util; 18 19 /** 20 * Utilities for treating a {@code long} as a pair of {@code int}s 21 * 22 * @hide 23 */ 24 @android.ravenwood.annotation.RavenwoodKeepWholeClass 25 public class IntPair { IntPair()26 private IntPair() {} 27 of(int first, int second)28 public static long of(int first, int second) { 29 return (((long)first) << 32) | ((long)second & 0xffffffffL); 30 } 31 first(long intPair)32 public static int first(long intPair) { 33 return (int)(intPair >> 32); 34 } 35 second(long intPair)36 public static int second(long intPair) { 37 return (int)intPair; 38 } 39 } 40