Package de.uka.ipd.sdq.probfunction.math.impl

Class ProbabilityFunctionFactoryImpl

java.lang.Object

de.uka.ipd.sdq.probfunction.math.impl.ProbabilityFunctionFactoryImpl

All Implemented Interfaces:

IProbabilityFunctionFactory

public class ProbabilityFunctionFactoryImpl
extends Object
implements IProbabilityFunctionFactory

Field Summary

Fields

Modifier and Type	Field	Description
static String	DEFAULT_UNIT_NAME
protected static ProbabilityFunctionFactoryImpl	factoryInstance

Fields inherited from interface de.uka.ipd.sdq.probfunction.math.IProbabilityFunctionFactory

eINSTANCE

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ProbabilityFunctionFactoryImpl(IPDFFactory pdfFactory)

Method Summary

Modifier and Type	Method	Description
IBoxedPDF	createBoxedPDF(List<IContinuousSample> samples, IRandomGenerator randomGenerator, IUnit unit)
IBoxedPDF	createBoxedPDF(List<IContinuousSample> samples, IUnit unit)	Creates a new BoxedPDF, whose boxes are defined by 'samples'.
IBoxedPDF	createBoxedPDF(List<IContinuousSample> samples, IUnit unit, IRandomGenerator generator)
IContinuousSample	createContinuousSample(double value, double d)	Creates a new ContinuousSample with the attributes value and probability set.
IUnit	createDefaultUnit()	Creates new Unit with name DEFAULT_UNIT_NAME, which is "ms".
ISamplePDF	createDiracImpulse(int numOfSamplingPoints, double distance, IUnit unit)	creates a distribution function, wich represents a dirac impulse.
ISamplePDF	createImpulseAt(int pos, int numOfSamplingPoints, double distance, IUnit unit)	Creates a distribution function, which describes a random variable with a constant outcome.
IProbabilityMassFunction	createPMFFromMeasurements(Boolean[] measurements, IUnit unit, boolean hasOrderedDomain)
IProbabilityMassFunction	createPMFFromMeasurements(Double[] measurements, double epsilon, IUnit unit, boolean hasOrderedDomain)
IProbabilityMassFunction	createPMFFromMeasurements(Integer[] measurements, IUnit unit, boolean hasOrderedDomain)
IProbabilityMassFunction	createPMFFromMeasurements(String[] measurements, IUnit unit, boolean hasOrderedDomain)
IProbabilityMassFunction	createProbabilityMassFunction(List<ISample> samples, IUnit unit, boolean hasOrderedDomain)	Creates a new ProbabilityMassFunction whose samples are set to 'samples'.
ISample	createSample(Object value, double probability)	Creates a new Sample with the attributes value and probability set.
ISamplePDF	createSamplePDFFromComplex(double distance, List<org.apache.commons.math.complex.Complex> samples, boolean isInFrequencyDomain, IUnit unit)	Creates a new SamplePDF instace whose distance is set to 'distance' and whose sampling points are set to samples.
ISamplePDF	createSamplePDFFromComplex(double distance, List<org.apache.commons.math.complex.Complex> samples, boolean isInFrequencyDomain, IUnit unit, IRandomGenerator generator)
ISamplePDF	createSamplePDFFromComplex(double distance, List<org.apache.commons.math.complex.Complex> values, IUnit unit)
ISamplePDF	createSamplePDFFromComplex(double distance, List<org.apache.commons.math.complex.Complex> samples, IUnit unit, IRandomGenerator generator)
ISamplePDF	createSamplePDFFromDouble(double distance, List<Double> values, boolean isInFrequencyDomain, IUnit unit)
ISamplePDF	createSamplePDFFromDouble(double distance, List<Double> values, boolean isInFrequencyDomain, IUnit unit, IRandomGenerator generator)
ISamplePDF	createSamplePDFFromDouble(double distance, List<Double> values, IUnit unit)	Creates a new SamplePDF instace whose distance is set to 'distance' and whose sampling points are set to samples.
ISamplePDF	createSamplePDFFromDouble(double distance, List<Double> values, IUnit unit, IRandomGenerator generator)
ISamplePDF	createSamplePDFFromMeasurements(double distance, List<Double> measurements, IUnit unit)
IUnit	createUnit(String unitName)	Creates new Unit with name unitName.
ISamplePDF	createZeroFunction(int numOfSamplingPoints, double distance, IUnit unit)	creates a distribution function, wich consists of numOfSamplingspoints zeros.
static ProbabilityFunctionFactoryImpl	getInstance()
IPDFFactory	getPDFFactory()
IRandomGenerator	getRandomGenerator()
void	setPDFFactory(IPDFFactory pdfFactory)
void	setRandomGenerator(IRandomGenerator randomGenerator)	Set the random generator to use to the passed one.
ISamplePDF	transformBoxedToSamplePDF(IBoxedPDF bpdf, double distance)
IBoxedPDF	transformToBoxedPDF(IProbabilityDensityFunction pdf)	Converts a arbitrary PDF to a BoxedPDF.
IBoxedPDF	transformToBoxedPDF(ProbabilityDensityFunction epdf)	Converts a model object to a function object with the same attributes.
IBoxedPDF	transformToBoxedPDF(ProbabilityDensityFunction epdf, IRandomGenerator randomNumberGenerator)	Converts a model object to a function object with the same attributes.
IContinuousSample	transformToContinuousSample(ContinuousSample eSample)	Converts a model object to a function object with the same attributes.
BoxedPDF	transformToModelBoxedPDF(IProbabilityDensityFunction pdf)	Converts a function object to a model object with the same attributes.
ContinuousSample	transformToModelContinuousSample(IContinuousSample sample)	Converts a function object to a model object with the same attributes.
ProbabilityDensityFunction	transformToModelPDF(IProbabilityDensityFunction pdf)	Converts a function object to a model object with the same attributes.
ProbabilityMassFunction	transformToModelPMF(IProbabilityMassFunction pmf)	Converts a function object to a model object with the same attributes.
Sample	transformToModelSample(ISample sample)	Converts a function object to a model object with the same attributes.
SamplePDF	transformToModelSamplePDF(IProbabilityDensityFunction pdf)	Converts a function object to a model object with the same attributes.
String	transformToModelUnitSpecification(IUnit unit)	Converts a function object to a model object with the same attributes.
IProbabilityDensityFunction	transformToPDF(ProbabilityDensityFunction ePDF)	Converts a model object to a function object with the same attributes.
IProbabilityDensityFunction	transformToPDF(ProbabilityDensityFunction ePDF, IRandomGenerator randomGenerator)	TODO: support Pois, Binom, UniInt and UniDouble.
IProbabilityMassFunction	transformToPMF(ProbabilityMassFunction epmf)	Converts a model object to a function object with the same attributes.
IProbabilityMassFunction	transformToPMF(ProbabilityMassFunction epmf, IRandomGenerator randomGenerator)	Converts a model object to a function object with the same attributes.
ISample	transformToSample(Sample eSample)	Converts a model object to a function object with the same attributes.
ISamplePDF	transformToSamplePDF(IProbabilityDensityFunction pdf)	Converts a arbitrary PDF to a SamplePDF.
ISamplePDF	transformToSamplePDF(IProbabilityDensityFunction pdf, double newDistance)	Converts a arbitrary PDF to a SamplePDF.
ISamplePDF	transformToSamplePDF(ProbabilityDensityFunction epdf)	Converts a model object to a function object with the same attributes.
ISamplePDF	transformToSamplePDF(ProbabilityDensityFunction epdf, IRandomGenerator randomGenerator)
IUnit	transformToUnit(String unitSpecification)	Converts a model object to a function object with the same attributes.

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_UNIT_NAME

public static final String DEFAULT_UNIT_NAME

See Also:

Constant Field Values

factoryInstance

protected static final ProbabilityFunctionFactoryImpl factoryInstance

Constructor Detail

ProbabilityFunctionFactoryImpl

protected ProbabilityFunctionFactoryImpl(IPDFFactory pdfFactory)

Method Detail

getPDFFactory

public IPDFFactory getPDFFactory()

Specified by:

getPDFFactory in interface IProbabilityFunctionFactory

setPDFFactory

public void setPDFFactory(IPDFFactory pdfFactory)

transformToBoxedPDF

public IBoxedPDF transformToBoxedPDF(ProbabilityDensityFunction epdf)
                              throws ProbabilitySumNotOneException,
                                     DoubleSampleException

Description copied from interface: IProbabilityFunctionFactory

Converts a model object to a function object with the same attributes.

Specified by:

transformToBoxedPDF in interface IProbabilityFunctionFactory

Parameters:

epdf - Object to transform.

Returns:

New BoxedPDF instance.

Throws:

ProbabilitySumNotOneException

DoubleSampleException

transformToBoxedPDF

public IBoxedPDF transformToBoxedPDF(ProbabilityDensityFunction epdf,
                                     IRandomGenerator randomNumberGenerator)
                              throws ProbabilitySumNotOneException,
                                     DoubleSampleException

Description copied from interface: IProbabilityFunctionFactory

Converts a model object to a function object with the same attributes.

Specified by:

transformToBoxedPDF in interface IProbabilityFunctionFactory

Parameters:

epdf - Object to transform.

randomNumberGenerator - Number generator to use

Returns:

New BoxedPDF instance.

Throws:

ProbabilitySumNotOneException

DoubleSampleException

transformToSamplePDF

public ISamplePDF transformToSamplePDF(ProbabilityDensityFunction epdf)
                                throws UnknownPDFTypeException,
                                       ProbabilitySumNotOneException,
                                       DoubleSampleException

Description copied from interface: IProbabilityFunctionFactory

Converts a model object to a function object with the same attributes.

Specified by:

transformToSamplePDF in interface IProbabilityFunctionFactory

Parameters:

epdf - Object to transform.

Returns:

New SamplePDF instance.

Throws:

UnknownPDFTypeException - Thrown in case pdf is neither a BoxedPDF nor a SamplePDF

ProbabilitySumNotOneException

DoubleSampleException

transformToSamplePDF

public ISamplePDF transformToSamplePDF(ProbabilityDensityFunction epdf,
                                       IRandomGenerator randomGenerator)
                                throws UnknownPDFTypeException,
                                       ProbabilitySumNotOneException,
                                       DoubleSampleException

Throws:

UnknownPDFTypeException

ProbabilitySumNotOneException

DoubleSampleException

transformToPMF

public IProbabilityMassFunction transformToPMF(ProbabilityMassFunction epmf)

Description copied from interface: IProbabilityFunctionFactory

Converts a model object to a function object with the same attributes.

Specified by:

transformToPMF in interface IProbabilityFunctionFactory

Parameters:

epmf - Object to transform.

Returns:

New ProbabilityMassFunction instance.

transformToPMF

public IProbabilityMassFunction transformToPMF(ProbabilityMassFunction epmf,
                                               IRandomGenerator randomGenerator)

Description copied from interface: IProbabilityFunctionFactory

Converts a model object to a function object with the same attributes.

Specified by:

transformToPMF in interface IProbabilityFunctionFactory

Parameters:

epmf - Object to transform.

Returns:

New ProbabilityMassFunction instance.

createBoxedPDF

public IBoxedPDF createBoxedPDF(List<IContinuousSample> samples,
                                IUnit unit)
                         throws DoubleSampleException

Description copied from interface: IProbabilityFunctionFactory

Creates a new BoxedPDF, whose boxes are defined by 'samples'.

Specified by:

createBoxedPDF in interface IProbabilityFunctionFactory

Parameters:

samples - List of ContinuousSamples, which defines the upper right corners of the PDF's boxes. The list may be unsorted. The values of all samples must be greater or equal to zero.

Returns:

New BoxedPDF instance.

Throws:

DoubleSampleException

createBoxedPDF

public IBoxedPDF createBoxedPDF(List<IContinuousSample> samples,
                                IRandomGenerator randomGenerator,
                                IUnit unit)
                         throws DoubleSampleException

Throws:

DoubleSampleException

createBoxedPDF

public IBoxedPDF createBoxedPDF(List<IContinuousSample> samples,
                                IUnit unit,
                                IRandomGenerator generator)
                         throws DoubleSampleException

Throws:

DoubleSampleException

createContinuousSample

public IContinuousSample createContinuousSample(double value,
                                                double d)

Description copied from interface: IProbabilityFunctionFactory

Creates a new ContinuousSample with the attributes value and probability set.

Specified by:

createContinuousSample in interface IProbabilityFunctionFactory

Returns:

New ContinuousSample instance.

createDefaultUnit

public IUnit createDefaultUnit()

Description copied from interface: IProbabilityFunctionFactory

Creates new Unit with name DEFAULT_UNIT_NAME, which is "ms".

Specified by:

createDefaultUnit in interface IProbabilityFunctionFactory

Returns:

New Unit instance.

createDiracImpulse

public ISamplePDF createDiracImpulse(int numOfSamplingPoints,
                                     double distance,
                                     IUnit unit)

Description copied from interface: IProbabilityFunctionFactory

creates a distribution function, wich represents a dirac impulse. The returned function consists of numOfSamplingPoints equidistant points.

Specified by:

createDiracImpulse in interface IProbabilityFunctionFactory

Parameters:

numOfSamplingPoints - number of points.

distance - distance between each two points.

unit - TODO

Returns:

a new probability density function with entered parameters.

createImpulseAt

public ISamplePDF createImpulseAt(int pos,
                                  int numOfSamplingPoints,
                                  double distance,
                                  IUnit unit)

Description copied from interface: IProbabilityFunctionFactory

Creates a distribution function, which describes a random variable with a constant outcome. In this case, it is given by distance * pos.

Specified by:

createImpulseAt in interface IProbabilityFunctionFactory

Returns:

a new probability density function with entered parameters.

createProbabilityMassFunction

public IProbabilityMassFunction createProbabilityMassFunction(List<ISample> samples,
                                                              IUnit unit,
                                                              boolean hasOrderedDomain)

Description copied from interface: IProbabilityFunctionFactory

Creates a new ProbabilityMassFunction whose samples are set to 'samples'. If the samples are marked as ordered, they will be sorted and stochastic values such as median and percentile are available.

Specified by:

createProbabilityMassFunction in interface IProbabilityFunctionFactory

Parameters:

samples - List of samples for the PMF.

hasOrderedDomain - Marks a set as ordered.

Returns:

New ProbabilityMassFunction instance.

createPMFFromMeasurements

public IProbabilityMassFunction createPMFFromMeasurements(Boolean[] measurements,
                                                          IUnit unit,
                                                          boolean hasOrderedDomain)

Specified by:

createPMFFromMeasurements in interface IProbabilityFunctionFactory

Returns:

createPMFFromMeasurements

public IProbabilityMassFunction createPMFFromMeasurements(Double[] measurements,
                                                          double epsilon,
                                                          IUnit unit,
                                                          boolean hasOrderedDomain)

Specified by:

createPMFFromMeasurements in interface IProbabilityFunctionFactory

Returns:

createPMFFromMeasurements

public IProbabilityMassFunction createPMFFromMeasurements(String[] measurements,
                                                          IUnit unit,
                                                          boolean hasOrderedDomain)

Specified by:

createPMFFromMeasurements in interface IProbabilityFunctionFactory

Returns:

createPMFFromMeasurements

public IProbabilityMassFunction createPMFFromMeasurements(Integer[] measurements,
                                                          IUnit unit,
                                                          boolean hasOrderedDomain)

Specified by:

createPMFFromMeasurements in interface IProbabilityFunctionFactory

Returns:

createSample

public ISample createSample(Object value,
                            double probability)

Description copied from interface: IProbabilityFunctionFactory

Creates a new Sample with the attributes value and probability set.

Specified by:

createSample in interface IProbabilityFunctionFactory

Returns:

New Sample instance.

createSamplePDFFromComplex

public ISamplePDF createSamplePDFFromComplex(double distance,
                                             List<org.apache.commons.math.complex.Complex> values,
                                             IUnit unit)

Specified by:

createSamplePDFFromComplex in interface IProbabilityFunctionFactory

Returns:

createSamplePDFFromComplex

public ISamplePDF createSamplePDFFromComplex(double distance,
                                             List<org.apache.commons.math.complex.Complex> samples,
                                             boolean isInFrequencyDomain,
                                             IUnit unit)

Description copied from interface: IProbabilityFunctionFactory

Creates a new SamplePDF instace whose distance is set to 'distance' and whose sampling points are set to samples.

Specified by:

createSamplePDFFromComplex in interface IProbabilityFunctionFactory

Parameters:

distance - Distance between the sampling points stored in samples.

samples - Sampling points of the approximated PDF.

isInFrequencyDomain - Indicates whether the values are in frequency domain (true) or time domain (false).

unit - TODO

Returns:

New instance of SamplePDF with set attributes.

createSamplePDFFromComplex

public ISamplePDF createSamplePDFFromComplex(double distance,
                                             List<org.apache.commons.math.complex.Complex> samples,
                                             IUnit unit,
                                             IRandomGenerator generator)

Specified by:

createSamplePDFFromComplex in interface IProbabilityFunctionFactory

Returns:

createSamplePDFFromComplex

public ISamplePDF createSamplePDFFromComplex(double distance,
                                             List<org.apache.commons.math.complex.Complex> samples,
                                             boolean isInFrequencyDomain,
                                             IUnit unit,
                                             IRandomGenerator generator)

Specified by:

createSamplePDFFromComplex in interface IProbabilityFunctionFactory

Returns:

createSamplePDFFromDouble

public ISamplePDF createSamplePDFFromDouble(double distance,
                                            List<Double> values,
                                            IUnit unit)

Description copied from interface: IProbabilityFunctionFactory

Creates a new SamplePDF instace whose distance is set to 'distance' and whose sampling points are set to samples. As the sampling points are complex values in general, this function sets only the real part of the values. The imaginary part is set to zero.

Specified by:

createSamplePDFFromDouble in interface IProbabilityFunctionFactory

Parameters:

distance - Distance between the sampling points stored in samples.

values - Sampling points of the approximated PDF.

unit - TODO

Returns:

New instance of SamplePDF with set attributes.

createSamplePDFFromDouble

public ISamplePDF createSamplePDFFromDouble(double distance,
                                            List<Double> values,
                                            boolean isInFrequencyDomain,
                                            IUnit unit)

Specified by:

createSamplePDFFromDouble in interface IProbabilityFunctionFactory

Returns:

createSamplePDFFromDouble

public ISamplePDF createSamplePDFFromDouble(double distance,
                                            List<Double> values,
                                            IUnit unit,
                                            IRandomGenerator generator)

Specified by:

createSamplePDFFromDouble in interface IProbabilityFunctionFactory

Returns:

createSamplePDFFromDouble

public ISamplePDF createSamplePDFFromDouble(double distance,
                                            List<Double> values,
                                            boolean isInFrequencyDomain,
                                            IUnit unit,
                                            IRandomGenerator generator)

Specified by:

createSamplePDFFromDouble in interface IProbabilityFunctionFactory

Returns:

createSamplePDFFromMeasurements

public ISamplePDF createSamplePDFFromMeasurements(double distance,
                                                  List<Double> measurements,
                                                  IUnit unit)

Specified by:

createSamplePDFFromMeasurements in interface IProbabilityFunctionFactory

Returns:

createUnit

public IUnit createUnit(String unitName)

Description copied from interface: IProbabilityFunctionFactory

Creates new Unit with name unitName.

Specified by:

createUnit in interface IProbabilityFunctionFactory

Parameters:

unitName - Name of the unit.

Returns:

New Unit instance.

createZeroFunction

public ISamplePDF createZeroFunction(int numOfSamplingPoints,
                                     double distance,
                                     IUnit unit)

Description copied from interface: IProbabilityFunctionFactory

creates a distribution function, wich consists of numOfSamplingspoints zeros.

Specified by:

createZeroFunction in interface IProbabilityFunctionFactory

Parameters:

numOfSamplingPoints - number of points.

distance - distance between each two points.

Returns:

a new "zeros" DistributionFunction.

transformToBoxedPDF

public IBoxedPDF transformToBoxedPDF(IProbabilityDensityFunction pdf)
                              throws UnknownPDFTypeException,
                                     DoubleSampleException,
                                     FunctionNotInTimeDomainException

Description copied from interface: IProbabilityFunctionFactory

Converts a arbitrary PDF to a BoxedPDF. So far, only two cases are supported: The input PDF is a BoxedPDF, then a reference to the original PDF is returned or the input pdf is a SamplePDF, then the a new BoxedPDF is created from the SamplePDF.

Specified by:

transformToBoxedPDF in interface IProbabilityFunctionFactory

Parameters:

pdf - PDF to transform.

Returns:

Either a reference to the input PDF or a new BoxedPDF with the same properties as the input pdf.

Throws:

UnknownPDFTypeException - Thrown in case pdf is neither a BoxedPDF nor a SamplePDF.

DoubleSampleException

FunctionNotInTimeDomainException

transformToModelBoxedPDF

public BoxedPDF transformToModelBoxedPDF(IProbabilityDensityFunction pdf)
                                  throws UnknownPDFTypeException,
                                         DoubleSampleException,
                                         FunctionNotInTimeDomainException

Description copied from interface: IProbabilityFunctionFactory

Converts a function object to a model object with the same attributes.

Specified by:

transformToModelBoxedPDF in interface IProbabilityFunctionFactory

Parameters:

pdf - Object to transform.

Returns:

New BoxedPDF instance.

Throws:

DoubleSampleException

FunctionNotInTimeDomainException

UnknownPDFTypeException

transformToModelPDF

public ProbabilityDensityFunction transformToModelPDF(IProbabilityDensityFunction pdf)
                                               throws UnknownPDFTypeException,
                                                      DoubleSampleException,
                                                      FunctionNotInTimeDomainException

Description copied from interface: IProbabilityFunctionFactory

Converts a function object to a model object with the same attributes.

Specified by:

transformToModelPDF in interface IProbabilityFunctionFactory

Parameters:

pdf - Object to transform.

Returns:

New ProbabilityDensityFunction instance.

Throws:

DoubleSampleException

FunctionNotInTimeDomainException

UnknownPDFTypeException

transformToModelPMF

public ProbabilityMassFunction transformToModelPMF(IProbabilityMassFunction pmf)

Description copied from interface: IProbabilityFunctionFactory

Converts a function object to a model object with the same attributes.

Specified by:

transformToModelPMF in interface IProbabilityFunctionFactory

Parameters:

pmf - Object to transform.

Returns:

New ProbabilityMassFunction instance.

transformToModelSamplePDF

public SamplePDF transformToModelSamplePDF(IProbabilityDensityFunction pdf)
                                    throws UnknownPDFTypeException

Description copied from interface: IProbabilityFunctionFactory

Converts a function object to a model object with the same attributes.

Specified by:

transformToModelSamplePDF in interface IProbabilityFunctionFactory

Parameters:

pdf - Object to transform.

Returns:

New SamplePDF instance.

Throws:

UnknownPDFTypeException

transformToPDF

public IProbabilityDensityFunction transformToPDF(ProbabilityDensityFunction ePDF)
                                           throws UnknownPDFTypeException,
                                                  ProbabilitySumNotOneException,
                                                  DoubleSampleException

Description copied from interface: IProbabilityFunctionFactory

Converts a model object to a function object with the same attributes. (BoxedPDF -> IBoxedPDF, SamplePDF -> ISamplePDF)

Specified by:

transformToPDF in interface IProbabilityFunctionFactory

Parameters:

ePDF - Object to transform.

Returns:

New ProbabilityDensityFunction instance.

Throws:

ProbabilitySumNotOneException

DoubleSampleException

UnknownPDFTypeException

transformToPDF

public IProbabilityDensityFunction transformToPDF(ProbabilityDensityFunction ePDF,
                                                  IRandomGenerator randomGenerator)
                                           throws UnknownPDFTypeException,
                                                  ProbabilitySumNotOneException,
                                                  DoubleSampleException

TODO: support Pois, Binom, UniInt and UniDouble. They need to be added to the probfunction metamodel and then handled here.

Specified by:

transformToPDF in interface IProbabilityFunctionFactory

Parameters:

ePDF - Object to transform.

Returns:

New ProbabilityDensityFunction instance.

Throws:

ProbabilitySumNotOneException

DoubleSampleException

UnknownPDFTypeException

transformToSamplePDF

public ISamplePDF transformToSamplePDF(IProbabilityDensityFunction pdf)
                                throws UnknownPDFTypeException

Description copied from interface: IProbabilityFunctionFactory

Converts a arbitrary PDF to a SamplePDF. So far, only two cases are supported: The input PDF is a SamplePDF, then a reference to the original PDF is returned or the input pdf is a BoxedPDF, then the a new SamplePDF is created from the BoxedPDF.

Specified by:

transformToSamplePDF in interface IProbabilityFunctionFactory

Parameters:

pdf - PDF to transform.

Returns:

Either a reference to the input PDF or a new SamplePDF with the same properties as the input pdf.

Throws:

UnknownPDFTypeException - Thrown in case pdf is neither a BoxedPDF nor a SamplePDF.

transformToSamplePDF

public ISamplePDF transformToSamplePDF(IProbabilityDensityFunction pdf,
                                       double newDistance)
                                throws UnknownPDFTypeException,
                                       NegativeDistanceException,
                                       FunctionNotInTimeDomainException

Description copied from interface: IProbabilityFunctionFactory

Converts a arbitrary PDF to a SamplePDF. So far, only two cases are supported: The input PDF is a SamplePDF, then a reference to a new Sample PDF with the given distance is returned or the input pdf is a BoxedPDF, then a new SamplePDF is created from the BoxedPDF.

Specified by:

transformToSamplePDF in interface IProbabilityFunctionFactory

Parameters:

pdf - PDF to transform.

newDistance - the new distance

Returns:

Either a reference to the input PDF or a new SamplePDF with the same properties as the input pdf.

Throws:

UnknownPDFTypeException - Thrown in case pdf is neither a BoxedPDF nor a SamplePDF.

NegativeDistanceException

FunctionNotInTimeDomainException

transformToContinuousSample

public IContinuousSample transformToContinuousSample(ContinuousSample eSample)

Description copied from interface: IProbabilityFunctionFactory

Converts a model object to a function object with the same attributes.

Specified by:

transformToContinuousSample in interface IProbabilityFunctionFactory

Parameters:

eSample - Object to transform.

Returns:

New ContinuousSample instance.

transformToModelContinuousSample

public ContinuousSample transformToModelContinuousSample(IContinuousSample sample)

Description copied from interface: IProbabilityFunctionFactory

Converts a function object to a model object with the same attributes.

Specified by:

transformToModelContinuousSample in interface IProbabilityFunctionFactory

Parameters:

sample - Object to transform.

Returns:

New ContinuousSample instance.

transformToModelSample

public Sample transformToModelSample(ISample sample)

Description copied from interface: IProbabilityFunctionFactory

Converts a function object to a model object with the same attributes.

Specified by:

transformToModelSample in interface IProbabilityFunctionFactory

Parameters:

sample - Object to transform.

Returns:

New Sample instance.

transformToModelUnitSpecification

public String transformToModelUnitSpecification(IUnit unit)

Description copied from interface: IProbabilityFunctionFactory

Converts a function object to a model object with the same attributes.

Specified by:

transformToModelUnitSpecification in interface IProbabilityFunctionFactory

Parameters:

unit - Object to transform.

Returns:

New Unit instance.

transformToSample

public ISample transformToSample(Sample eSample)

Description copied from interface: IProbabilityFunctionFactory

Converts a model object to a function object with the same attributes.

Specified by:

transformToSample in interface IProbabilityFunctionFactory

Parameters:

eSample - Object to transform.

Returns:

New Sample instance.

transformToUnit

public IUnit transformToUnit(String unitSpecification)

Description copied from interface: IProbabilityFunctionFactory

Converts a model object to a function object with the same attributes.

Specified by:

transformToUnit in interface IProbabilityFunctionFactory

Returns:

New Unit instance.

getInstance

public static ProbabilityFunctionFactoryImpl getInstance()

transformBoxedToSamplePDF

public ISamplePDF transformBoxedToSamplePDF(IBoxedPDF bpdf,
                                            double distance)

setRandomGenerator

public void setRandomGenerator(IRandomGenerator randomGenerator)

Description copied from interface: IProbabilityFunctionFactory

Set the random generator to use to the passed one. If this method is never called, the DefaultRandomGenerator is used. This method can be called at any time, however, to get consistent results it should be called before retrieving any functions from this factory.

Specified by:

setRandomGenerator in interface IProbabilityFunctionFactory

getRandomGenerator

public IRandomGenerator getRandomGenerator()

Specified by:

getRandomGenerator in interface IProbabilityFunctionFactory