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.server.telecom;
18 
19 import android.os.SystemClock;
20 
21 /**
22  * Defines common clock functionality used in Telecom.  Provided to make unit testing of clock
23  * operations testable.
24  */
25 public interface ClockProxy {
26     /**
27      * Returns the current wall-clock time of the system, as typically returned by
28      * {@link System#currentTimeMillis()}.
29      * @return The current wall-clock time.
30      */
currentTimeMillis()31     long currentTimeMillis();
32 
33     /**
34      * Returns the elapsed time since boot of the system, as typically returned by
35      * {@link SystemClock#elapsedRealtime()}.
36      * @return the current elapsed real time.
37      */
elapsedRealtime()38     long elapsedRealtime();
39 }
40