Package io.airlift.stats

Class DecayCounter

java.lang.Object

io.airlift.stats.DecayCounter

@ThreadSafe
public final class DecayCounter
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	DecayCounter.DecayCounterSnapshot

Constructor Summary

Constructors

Constructor	Description
DecayCounter(double alpha)
DecayCounter(double alpha, com.google.common.base.Ticker ticker)

Method Summary

Modifier and Type	Method	Description
void	add(long value)
DecayCounter	duplicate()
double	getAlpha()
double	getCount()
double	getRate()
void	merge(DecayCounter decayCounter)
void	reset()
void	resetTo(DecayCounter counter)	Deprecated.
DecayCounter.DecayCounterSnapshot	snapshot()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Details

DecayCounter

public DecayCounter(double alpha)

DecayCounter

public DecayCounter(double alpha,
 com.google.common.base.Ticker ticker)

Method Details

duplicate

public DecayCounter duplicate()

add

public void add(long value)

merge

public void merge(DecayCounter decayCounter)

reset

public void reset()

resetTo

@Deprecated
public void resetTo(DecayCounter counter)

Deprecated.

This is a hack to work around limitations in Jmxutils.

getCount

public double getCount()

getRate

public double getRate()

snapshot

public DecayCounter.DecayCounterSnapshot snapshot()

toString

public String toString()

Overrides:

toString in class Object

getAlpha

public double getAlpha()