1/* 2 * Copyright (C) 2012 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.android.providers.contacts.util; 18 19public class Clock { 20 private static final Clock INSTANCE = new Clock(); 21 22 private static Clock sInstance = INSTANCE; 23 24 public static final Clock getInstance() { 25 return sInstance; 26 } 27 28 @NeededForTesting 29 static void injectInstance(Clock clock) { 30 sInstance = clock; 31 } 32 33 @NeededForTesting 34 static void resetInstance() { 35 sInstance = INSTANCE; 36 } 37 38 public long currentTimeMillis() { 39 return System.currentTimeMillis(); 40 } 41} 42