Package org.terracotta.statistics

Class MemoizingValueStatistic<T extends java.io.Serializable>

java.lang.Object

org.terracotta.statistics.MemoizingValueStatistic<T>

All Implemented Interfaces:

ValueStatistic<T>

public class MemoizingValueStatistic<T extends java.io.Serializable>
extends java.lang.Object
implements ValueStatistic<T>

Field Summary

Fields

Modifier and Type	Field	Description
private long	delayNs
private ValueStatistic<T>	delegate
private java.util.concurrent.atomic.AtomicLong	expiration
private java.util.concurrent.atomic.AtomicReference<T>	memoized

Constructor Summary

Constructors

Constructor	Description
MemoizingValueStatistic(long delay, java.util.concurrent.TimeUnit unit, ValueStatistic<T> delegate)

Method Summary

Modifier and Type	Method	Description
StatisticType	type()
T	value()

Methods inherited from class java.lang.Object

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

Field Detail

delayNs

private final long delayNs

memoized

private final java.util.concurrent.atomic.AtomicReference<T extends java.io.Serializable> memoized

expiration

private final java.util.concurrent.atomic.AtomicLong expiration

delegate

private final ValueStatistic<T extends java.io.Serializable> delegate

Constructor Detail

MemoizingValueStatistic

public MemoizingValueStatistic(long delay,
                               java.util.concurrent.TimeUnit unit,
                               ValueStatistic<T> delegate)

Method Detail

type

public StatisticType type()

Specified by:

type in interface ValueStatistic<T extends java.io.Serializable>

Returns:

The statistic type

value

public T value()

Specified by:

value in interface ValueStatistic<T extends java.io.Serializable>

Returns:

The current statistic value