1 /*
2  * Copyright (C) 2018 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.os;
18 
19 import java.time.Clock;
20 import java.time.Instant;
21 import java.time.ZoneId;
22 
23 /** {@hide} */
24 public abstract class SimpleClock extends Clock {
25     private final ZoneId zone;
26 
SimpleClock(ZoneId zone)27     public SimpleClock(ZoneId zone) {
28         this.zone = zone;
29     }
30 
31     @Override
getZone()32     public ZoneId getZone() {
33         return zone;
34     }
35 
36     @Override
withZone(ZoneId zone)37     public Clock withZone(ZoneId zone) {
38         return new SimpleClock(zone) {
39             @Override
40             public long millis() {
41                 return SimpleClock.this.millis();
42             }
43         };
44     }
45 
46     @Override
47     public abstract long millis();
48 
49     @Override
50     public Instant instant() {
51         return Instant.ofEpochMilli(millis());
52     }
53 }
54