org.processmining.stream.model.datastructure.decay

Class BackwardExponentialDecayFunctionImpl

java.lang.Object

org.processmining.stream.model.datastructure.decay.BackwardExponentialDecayFunctionImpl

All Implemented Interfaces:

DecayFunction

public class BackwardExponentialDecayFunctionImpl
extends java.lang.Object
implements DecayFunction

Exponential decay model of the form: A = A0 * e^{k * t} where A0 is the basis value, k is the rate of decay and t is the current time.

Nested Class Summary

Nested classes/interfaces inherited from interface org.processmining.stream.model.datastructure.decay.DecayFunction

DecayFunction.Type

Field Summary

Fields

Modifier and Type	Field and Description
protected double	base
protected double	decayRate

Constructor Summary

Constructors

Constructor and Description
BackwardExponentialDecayFunctionImpl(double base, double decayRate)

Method Summary

Modifier and Type	Method and Description
double	evaluate(long age)
DecayFunction.Type	getType()

Methods inherited from class java.lang.Object

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

Field Detail

base

protected final double base

decayRate

protected final double decayRate

Constructor Detail

BackwardExponentialDecayFunctionImpl

public BackwardExponentialDecayFunctionImpl(double base,
                                            double decayRate)

Method Detail

evaluate

public double evaluate(long age)

Specified by:

evaluate in interface DecayFunction

getType

public DecayFunction.Type getType()

Specified by:

getType in interface DecayFunction