| /* |
| * 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 currentTimeMillis() { |
| return System.currentTimeMillis(); |
| } |
| |
| /** |
| * Returns milliseconds since boot, including time spent in sleep. |
| * |
| * @return Current time since boot in milliseconds. |
| */ |
| public long elapsedRealtime() { |
| return SystemClock.elapsedRealtime(); |
| } |
| |
| /** |
| * Returns the current timestamp of the most precise timer available on the local system, in |
| * nanoseconds. |
| * |
| * @return Current time in nanoseconds. |
| */ |
| public long nanoTime() { |
| return System.nanoTime(); |
| } |
| |
| /** |
| * Returns nanoseconds since boot, including time spent in sleep. |
| * |
| * @return Current time since boot in nanoseconds. |
| */ |
| public long elapsedRealtimeNanos() { |
| return SystemClock.elapsedRealtimeNanos(); |
| } |
| } |