org.spf4j.perf.impl

Class CountingAccumulator

java.lang.Object

org.spf4j.perf.impl.AbstractMeasurementAccumulator

org.spf4j.perf.impl.CountingAccumulator

All Implemented Interfaces:

MeasurementAccumulator, MeasurementRecorder

public final class CountingAccumulator
extends AbstractMeasurementAccumulator

Author:

zoly

Constructor Summary

Constructors

Constructor and Description
CountingAccumulator(Object measuredEntity, String description, String unitOfMeasurement)

Method Summary

Modifier and Type	Method and Description
MeasurementAccumulator	aggregate(MeasurementAccumulator mSource)
CountingAccumulator	createClone()
CountingAccumulator	createLike(Object entity)
long[]	get()
MeasurementsInfo	getInfo()
long[]	getThenReset()
String	getUnitOfMeasurement()
void	record(long measurement) record a measurement for current time.
MeasurementAccumulator	reset() reset this entity.
String	toString()

Methods inherited from class org.spf4j.perf.impl.AbstractMeasurementAccumulator

getMaxTime, getMinTime, recordAt

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.spf4j.perf.MeasurementAccumulator

getCompositeData

Constructor Detail

CountingAccumulator

public CountingAccumulator(Object measuredEntity,
                           String description,
                           String unitOfMeasurement)

Method Detail

getUnitOfMeasurement

public String getUnitOfMeasurement()

record

public void record(long measurement)

Description copied from interface: MeasurementRecorder

record a measurement for current time. System.currentTimeMillis().

Parameters:

measurement - the measurement value

get

@Nullable
public long[] get()

aggregate

public MeasurementAccumulator aggregate(MeasurementAccumulator mSource)

createClone

public CountingAccumulator createClone()

createLike

public CountingAccumulator createLike(Object entity)

getInfo

public MeasurementsInfo getInfo()

reset

@Nullable
public MeasurementAccumulator reset()

Description copied from interface: MeasurementAccumulator

reset this entity.

Returns:

a clone of the object prior to reset or null if no measurements have been made.

getThenReset

@Nullable
public long[] getThenReset()

Returns:

null when no measurements have been made.

toString

public String toString()

Overrides:

toString in class Object