com.espertech.esper.metrics.codahale_metrics.metrics.core

Class Clock

java.lang.Object

com.espertech.esper.metrics.codahale_metrics.metrics.core.Clock

Direct Known Subclasses:

Clock.CpuTimeClock, Clock.UserTimeClock

public abstract class Clock
extends java.lang.Object

An abstraction for how time passes. It is passed to Timer to track timing.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Clock.CpuTimeClock A clock implementation which returns the current thread's CPU time.
static class	Clock.UserTimeClock A clock implementation which returns the current time in epoch nanoseconds.

Constructor Summary

Constructors

Constructor and Description
Clock()

Method Summary

Modifier and Type	Method and Description
static Clock	defaultClock() The default clock to use.
abstract long	tick() Returns the current time tick.
long	time() Returns the current time in milliseconds.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Clock

public Clock()

Method Detail

tick

public abstract long tick()

Returns the current time tick.

Returns:

time tick in nanoseconds

time

public long time()

Returns the current time in milliseconds.

Returns:

time in milliseconds

defaultClock

public static Clock defaultClock()

The default clock to use.

Returns:

the default Clock instance