Package org.apache.bookkeeper.stats

Class NullStatsLogger.NullOpStatsLogger

java.lang.Object

org.apache.bookkeeper.stats.NullStatsLogger.NullOpStatsLogger

All Implemented Interfaces:

OpStatsLogger

Enclosing class:

NullStatsLogger

static class NullStatsLogger.NullOpStatsLogger
extends Object
implements OpStatsLogger

A no-op OpStatsLogger.

Field Summary

Fields

Modifier and Type	Field	Description
(package private) final OpStatsData	nullOpStats

Constructor Summary

Constructors

Constructor	Description
NullOpStatsLogger()

Method Summary

Modifier and Type	Method	Description
void	clear()	Clear stats for this operation.
void	registerFailedEvent(long eventLatency, TimeUnit unit)	Increment the failed op counter with the given eventLatency.
void	registerFailedValue(long value)	An operation with the given value failed.
void	registerSuccessfulEvent(long eventLatency, TimeUnit unit)	An operation succeeded with the given eventLatency.
void	registerSuccessfulValue(long value)	An operation with the given value succeeded.
OpStatsData	toOpStatsData()

Methods inherited from class java.lang.Object

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

Field Details

nullOpStats

final OpStatsData nullOpStats

Constructor Details

NullOpStatsLogger

NullOpStatsLogger()

Method Details

registerFailedEvent

public void registerFailedEvent(long eventLatency,
 TimeUnit unit)

Description copied from interface: OpStatsLogger

Increment the failed op counter with the given eventLatency.

Specified by:

registerFailedEvent in interface OpStatsLogger

Parameters:

eventLatency - The event latency

registerSuccessfulEvent

public void registerSuccessfulEvent(long eventLatency,
 TimeUnit unit)

Description copied from interface: OpStatsLogger

An operation succeeded with the given eventLatency. Update stats to reflect the same

Specified by:

registerSuccessfulEvent in interface OpStatsLogger

Parameters:

eventLatency - The event latency

registerSuccessfulValue

public void registerSuccessfulValue(long value)

Description copied from interface: OpStatsLogger

An operation with the given value succeeded.

Specified by:

registerSuccessfulValue in interface OpStatsLogger

registerFailedValue

public void registerFailedValue(long value)

Description copied from interface: OpStatsLogger

An operation with the given value failed.

Specified by:

registerFailedValue in interface OpStatsLogger

toOpStatsData

public OpStatsData toOpStatsData()

Specified by:

toOpStatsData in interface OpStatsLogger

Returns:

Returns an OpStatsData object with necessary values. We need this function to support JMX exports. This should be deprecated sometime in the near future. populated.

clear

public void clear()

Description copied from interface: OpStatsLogger

Clear stats for this operation.

Specified by:

clear in interface OpStatsLogger