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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.Wifi
*/
package com.android.server.wifi;
import android.os.SystemClock;
/**
* Wrapper class for time operations. Allows replacement of clock operations for testing.
*/
public class Clock {
/**
* Get the current time of the clock in milliseconds.
*
* @return Current time in milliseconds.
*/
public long getWallClockMillis() {
return System.currentTimeMillis();
}
/**
* Returns milliseconds since boot, including time spent in sleep.
*
* @return Current time since boot in milliseconds.
*/
public long getElapsedSinceBootMillis() {
return SystemClock.elapsedRealtime();
}
/**
* Returns nanoseconds since boot, including time spent in sleep.
*
* @return Current time since boot in nanoseconds.
*/
public long getElapsedSinceBootNanos() {
return SystemClock.elapsedRealtimeNanos();
}
/**
* Returns milliseconds since boot, not counting time spent in deep sleep.
*
* @return Milliseconds of non-sleep uptime since boot.
*/
public long getUptimeSinceBootMillis() {
return SystemClock.uptimeMillis();
}
}
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