org.apache.bookkeeper.stats

Interface OpStatsLogger

All Known Implementing Classes:

CodahaleOpStatsLogger, CodahaleOpStatsLogger, DataSketchesOpStatsLogger, NullStatsLogger.NullOpStatsLogger

public interface OpStatsLogger

This interface handles logging of statistics related to each operation. (PUBLISH, CONSUME etc.)

Method Summary

Modifier and Type	Method and Description
void	clear() Clear stats for this operation.
void	registerFailedEvent(long eventLatencyMillis, java.util.concurrent.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 eventLatencyMillis, java.util.concurrent.TimeUnit unit) An operation succeeded with the given eventLatency.
void	registerSuccessfulValue(long value) An operation with the given value succeeded.
OpStatsData	toOpStatsData()

Method Detail

registerFailedEvent

void registerFailedEvent(long eventLatencyMillis,
                         java.util.concurrent.TimeUnit unit)

Increment the failed op counter with the given eventLatency.

Parameters:

eventLatencyMillis - The event latency

unit -

registerSuccessfulEvent

void registerSuccessfulEvent(long eventLatencyMillis,
                             java.util.concurrent.TimeUnit unit)

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

Parameters:

eventLatencyMillis - The event latency

unit -

registerSuccessfulValue

void registerSuccessfulValue(long value)

An operation with the given value succeeded.

Parameters:

value -

registerFailedValue

void registerFailedValue(long value)

An operation with the given value failed.

toOpStatsData

OpStatsData toOpStatsData()

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

void clear()

Clear stats for this operation.