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org.terracotta.statistics.extended

public Class ExpiringSampledStatistic<T extends java.lang.Number>

extends SemiExpiringSampledStatistic<T extends Number>
Class Inheritance
Type Parameters
<T>
statistic type
Imports
org.terracotta.statistics.ValueStatistic, java.util.concurrent.ScheduledExecutorService, .TimeUnit
Statistic that stops sampling history when the last access is after a user supplied timestamp.
Author
Chris Dennis

Constructor Summary

AccessConstructor and Description
public
ExpiringSampledStatistic(ValueStatistic<T>
statistic source
source, ScheduledExecutorService
executor to use for sampling
executor, int
size of sample history
historySize, long
period between samples
historyPeriod, TimeUnit
unit of period between samples
historyTimeUnit, StatisticType
sampling type
type)

Creates an expiring statistic.

Method Summary

Modifier and TypeMethod and Description
public T
value()

Overrides org.terracotta.statistics.extended.AbstractSampledStatistic.value.

Implements org.terracotta.statistics.extended.SampledStatistic.value.

Value.
Inherited from org.terracotta.statistics.extended.SemiExpiringSampledStatistic:
activeexpirehistoryhistorysetAlwaysOnstartstartStatisticstopStatistictouch

Constructor Detail

ExpiringSampledStatisticback to summary
public ExpiringSampledStatistic(ValueStatistic<T> source, ScheduledExecutorService executor, int historySize, long historyPeriod, TimeUnit historyTimeUnit, StatisticType type)

Creates an expiring statistic.

Parameters
source:ValueStatistic<T>

statistic source

executor:ScheduledExecutorService

executor to use for sampling

historySize:int

size of sample history

historyPeriod:long

period between samples

historyTimeUnit:TimeUnit

unit of period between samples

type:StatisticType

sampling type

Method Detail

valueback to summary
public T value()

Overrides org.terracotta.statistics.extended.AbstractSampledStatistic.value.

Implements org.terracotta.statistics.extended.SampledStatistic.value.

Doc from org.terracotta.statistics.extended.AbstractSampledStatistic.value.

Value.

Returns:T

Doc from org.terracotta.statistics.extended.SampledStatistic.value.

the t

Annotations
@Override