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1 /*
2  * Copyright (C) 2016 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.car.systeminterface;
18 
19 import static java.util.concurrent.Executors.newSingleThreadScheduledExecutor;
20 
21 import android.os.SystemClock;
22 import java.util.concurrent.ScheduledExecutorService;
23 import java.util.concurrent.TimeUnit;
24 
25 /**
26  * Interface that abstracts time operations
27  */
28 public interface TimeInterface {
29     public static final boolean INCLUDE_DEEP_SLEEP_TIME = true;
30     public static final boolean EXCLUDE_DEEP_SLEEP_TIME = false;
31 
getUptime()32     default long getUptime() {
33         return getUptime(EXCLUDE_DEEP_SLEEP_TIME);
34     }
getUptime(boolean includeDeepSleepTime)35     default long getUptime(boolean includeDeepSleepTime) {
36         return includeDeepSleepTime ?
37             SystemClock.elapsedRealtime() :
38             SystemClock.uptimeMillis();
39     }
40 
scheduleAction(Runnable r, long delayMs)41     void scheduleAction(Runnable r, long delayMs);
cancelAllActions()42     void cancelAllActions();
43 
44     class DefaultImpl implements TimeInterface {
45         private final ScheduledExecutorService mExecutor = newSingleThreadScheduledExecutor();
46 
47         @Override
scheduleAction(Runnable r, long delayMs)48         public void scheduleAction(Runnable r, long delayMs) {
49             mExecutor.scheduleAtFixedRate(r, delayMs, delayMs, TimeUnit.MILLISECONDS);
50         }
51 
52         @Override
cancelAllActions()53         public void cancelAllActions() {
54             mExecutor.shutdownNow();
55         }
56     }
57 }
58