kieker.monitoring.timer
Class SystemNanoTimer

java.lang.Object
  kieker.monitoring.timer.AbstractTimeSource
      kieker.monitoring.timer.SystemNanoTimer

All Implemented Interfaces:

ITimeSource

public final class SystemNanoTimer
extends AbstractTimeSource

A timer implementation, counting in nanoseconds since a specified offset.

Since:

1.5

Author:

Jan Waller

Field Summary

static String	CONFIG_OFFSET This is the name of the configuration determining the used offset (in nanoseconds).
static String	CONFIG_UNIT This is the name of the configuration determining the used time unit (0 = nanoseconds, 1 = microseconds, 2 = milliseconds, 3 = seconds).

Constructor Summary

SystemNanoTimer(Configuration configuration)
Creates a new instance of this class using the given parameters.

Method Summary

long	getOffset()
long	getTime()
TimeUnit	getTimeUnit()
String	toString()

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

CONFIG_OFFSET

public static final String CONFIG_OFFSET

This is the name of the configuration determining the used offset (in nanoseconds).

CONFIG_UNIT

public static final String CONFIG_UNIT

This is the name of the configuration determining the used time unit (0 = nanoseconds, 1 = microseconds, 2 = milliseconds, 3 = seconds).

Constructor Detail

SystemNanoTimer

public SystemNanoTimer(Configuration configuration)

Creates a new instance of this class using the given parameters.

Parameters:

configuration - The configuration for this timer.

Method Detail

getTime

public final long getTime()

Returns:

The timestamp for the current time in TimeUnit.

See Also:

ITimeSource.getTimeUnit()

getOffset

public long getOffset()

Returns:

The offset of the timesource to 1970-1-1 in TimeUnit.

See Also:

ITimeSource.getTimeUnit()

getTimeUnit

public final TimeUnit getTimeUnit()

Returns:

The TimeUnit of the timesource.

toString

public final String toString()

Specified by:

toString in interface ITimeSource

Specified by:

toString in class AbstractTimeSource

Returns:

A String representation of the timesource. E.g., the meaning of a timestamp from this source.