org.android.activityminer.logic.features.calculators
Class FFTEntropyCalculator<T extends Enum<T> & Dimensions>

java.lang.Object
  org.android.activityminer.logic.features.calculators.AbstractCalculator<T,U>
      org.android.activityminer.logic.features.calculators.AbstractCompositeCalculator<T,Double>
          org.android.activityminer.logic.features.calculators.AbstractEntropyCalculator<T>
              org.android.activityminer.logic.features.calculators.FFTEntropyCalculator<T>

Type Parameters:

T - the enumeration type for the dimensions

All Implemented Interfaces:

EventObserver<FFTCalculatorEvent>, Calculator<Double>, CompositeCalculator<Double>, FFTObservationBasedCalulator<T>

public final class FFTEntropyCalculator<T extends Enum<T> & Dimensions>
extends AbstractEntropyCalculator<T>
implements FFTObservationBasedCalulator<T>

Implementation of a signal entropy from FFT component calculator.

Field Summary

private FFTCalculator<T>

fftCalculator The observed FFT calculator

Fields inherited from class org.android.activityminer.logic.features.calculators.AbstractEntropyCalculator

entropySum, valueSum

Fields inherited from class org.android.activityminer.logic.features.calculators.AbstractCalculator

dimension, value

Constructor Summary

FFTEntropyCalculator(FFTCalculator<T> fftCalculator)
Constructor

Method Summary

Double	getCompositeValue() Does calculate the composite value.
FFTCalculator<T>	getFFTCalculator() Getter for the FFT calculator.
void	onEvent(ObservableEventSource<? extends FFTCalculatorEvent> eventSource, FFTCalculatorEvent fftComponent)

Methods inherited from class org.android.activityminer.logic.features.calculators.AbstractEntropyCalculator

getInitialValue

Methods inherited from class org.android.activityminer.logic.features.calculators.AbstractCompositeCalculator

getValue, reset

Methods inherited from class org.android.activityminer.logic.features.calculators.AbstractCalculator

getDimension

Methods inherited from class java.lang.Object

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

Field Detail

fftCalculator

private final FFTCalculator<T extends Enum<T> & Dimensions> fftCalculator

The observed FFT calculator

Constructor Detail

FFTEntropyCalculator

public FFTEntropyCalculator(FFTCalculator<T> fftCalculator)

Constructor

Parameters:

fftCalculator - the FFT Calculator to observe for spectral energy values

Method Detail

getCompositeValue

public final Double getCompositeValue()

Description copied from interface: CompositeCalculator

Does calculate the composite value.

Specified by:

getCompositeValue in interface CompositeCalculator<Double>

Overrides:

getCompositeValue in class AbstractEntropyCalculator<T extends Enum<T> & Dimensions>

Returns:

the composite value

onEvent

public void onEvent(ObservableEventSource<? extends FFTCalculatorEvent> eventSource,
                    FFTCalculatorEvent fftComponent)

Specified by:

onEvent in interface EventObserver<FFTCalculatorEvent>

getFFTCalculator

public final FFTCalculator<T> getFFTCalculator()

Getter for the FFT calculator.

Returns:

the FFT calculator.