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

Fields

Modifier and Type	Field and Description
static java.lang.String	CONFIG_OFFSET This is the name of the configuration determining the used offset (in nanoseconds).
static java.lang.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

Constructors

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

Method Summary

Modifier and Type	Method and Description
long	getOffset()
long	getTime()
java.util.concurrent.TimeUnit	getTimeUnit()
java.lang.String	toString()

Methods inherited from class kieker.monitoring.timer.AbstractTimeSource

getDefaultConfiguration

Methods inherited from class java.lang.Object

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

Field Detail

CONFIG_OFFSET

public static final java.lang.String CONFIG_OFFSET

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

CONFIG_UNIT

public static final java.lang.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 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 java.util.concurrent.TimeUnit getTimeUnit()

Returns:

The TimeUnit of the timesource.

toString

public java.lang.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.