DecayCounter (stats 214 API)

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

All Methods Instance Methods Concrete Methods Deprecated Methods
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 Detail

DecayCounter
```
public DecayCounter(double alpha)
```

DecayCounter

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

Method Detail

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()
```