Package org.terracotta.statistics.derived.latency

Class Jsr107LatencyMonitor<T extends Enum<T>>

java.lang.Object

org.terracotta.statistics.derived.latency.Jsr107LatencyMonitor<T>

All Implemented Interfaces:

LatencyStatistic, ChainedObserver, ChainedOperationObserver<T>

public class Jsr107LatencyMonitor<T extends Enum<T>>
extends Object
implements ChainedOperationObserver<T>, LatencyStatistic

Field Summary

Fields

Modifier and Type	Field	Description
private final OperationResultSampler<T>	sampling
private final AtomicReference<LatencyAccumulator>	statistic

Constructor Summary

Constructors

Constructor	Description
Jsr107LatencyMonitor(Set<T> targets, double sampling)

Method Summary

Modifier and Type	Method	Description
double	average()
void	begin(long time)
void	clear()
void	end(long time, long latency, T result)
Long	maximum()
Long	minimum()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.terracotta.statistics.derived.latency.LatencyStatistic

averageStatistic, maximumStatistic, minimumStatistic

Field Details

sampling

private final OperationResultSampler<T extends Enum<T>> sampling

statistic

private final AtomicReference<LatencyAccumulator> statistic

Constructor Details

Jsr107LatencyMonitor

public Jsr107LatencyMonitor(Set<T> targets,
 double sampling)

Method Details

begin

public void begin(long time)

Specified by:

begin in interface ChainedOperationObserver<T extends Enum<T>>

end

public void end(long time,
 long latency,
 T result)

Specified by:

end in interface ChainedOperationObserver<T extends Enum<T>>

average

public double average()

Specified by:

average in interface LatencyStatistic

Returns:

The average in microseconds or 0 if it does not exist yet

minimum

public Long minimum()

Specified by:

minimum in interface LatencyStatistic

Returns:

The minimum in ns or null if it does not exist yet

maximum

public Long maximum()

Specified by:

maximum in interface LatencyStatistic

Returns:

The maximum in ns or null if it does not exist yet

clear

public void clear()