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MonotonicClock

docs/javadoc/reference/com/facebook/common/time/MonotonicClock.html

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Summary: Methods | [Expand All]

public interface

MonotonicClock

| com.facebook.common.time.MonotonicClock |

| Known Indirect Subclasses

AwakeTimeSinceBootClock, RealtimeSinceBootClock

| AwakeTimeSinceBootClock | A clock that returns number of milliseconds since boot. | | RealtimeSinceBootClock | A clock that returns number of milliseconds since boot. |

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Class Overview

A clock that is guaranteed not to go backward.

Summary

Public Methods
abstract long
Produce a timestamp.

Public Methods

public abstract long now()

Produce a timestamp. Values returned from this method may only be compared to other values returned from this clock in this process. They have no meaning outside of this process and should not be written to disk.

The difference between two timestamps is an interval, in milliseconds.

Returns
  • A timestamp for the current time, in ms.

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