Package com.yahoo.jdisc

Interface Timer

All Known Subinterfaces:

Container

All Known Implementing Classes:

SystemTimer, TestTimer

public interface Timer

This class provides access to the current time in milliseconds, as viewed by the Container. Inject an instance of this class into any component that needs to access time, instead of using System.currentTimeMillis().

Author:

Simon Thoresen Hult

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static class	Timer.ClockAdapter

Method Summary

Modifier and Type	Method	Description
default Instant	currentTime()	Convenience method for getting an java.util.Instance from currentTimeMillis().
long	currentTimeMillis()	Returns the current time in milliseconds.
static Timer	fromClock(Clock clock)	Create a Timer backed by the given Clock.
default Clock	toUtcClock()	Return a UTC Clock backed by this timer.

Method Details

currentTimeMillis

long currentTimeMillis()

Returns the current time in milliseconds. Note that while the unit of time of the return value is a millisecond, the granularity of the value depends on the underlying operating system and may be larger. For example, many operating systems measure time in units of tens of milliseconds.

See the description of the class Date for a discussion of slight discrepancies that may arise between "computer time" and coordinated universal time (UTC).

Returns:

The difference, measured in milliseconds, between the current time and midnight, January 1, 1970 UTC.

See Also:

• Date

currentTime

default Instant currentTime()

Convenience method for getting an java.util.Instance from currentTimeMillis().

toUtcClock

default Clock toUtcClock()

Return a UTC Clock backed by this timer.

fromClock

static Timer fromClock(Clock clock)

Create a Timer backed by the given Clock.