Package com.illumon.numerics.movingaverages

Class ExponentiallyDecayedSum

java.lang.Object

com.illumon.numerics.movingaverages.ExponentiallyDecayedSum

All Implemented Interfaces:

Serializable

public class ExponentiallyDecayedSum
extends Object
implements Serializable

A sum where the values are decayed at an exponential rate to zero.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
ExponentiallyDecayedSum(double decayRate, boolean enableTimestepOutOfOrderException)	Creates a new exponentially decayed sum.

Method Summary

Modifier and Type	Method	Description
long	getLastTimestamp()
double	getValue()
void	processDouble(long timestamp, double data)
void	reset()

Methods inherited from class java.lang.Object

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

Constructor Details

ExponentiallyDecayedSum

public ExponentiallyDecayedSum(double decayRate,
 boolean enableTimestepOutOfOrderException)

Creates a new exponentially decayed sum.

Parameters:

decayRate - rate in milliseconds to decay the sum.

enableTimestepOutOfOrderException - true to allow an exception to be thrown when timesteps are not sequential.

Method Details

processDouble

public void processDouble(long timestamp,
 double data)

getValue

public double getValue()

getLastTimestamp

public long getLastTimestamp()

reset

public void reset()