org.apache.ignite.ml.genetic.parameter

Class GAConfiguration

java.lang.Object

org.apache.ignite.ml.genetic.parameter.GAConfiguration

public class GAConfiguration
extends Object

Maintains configuration parameters to be used in genetic algorithm

NOTE: Default selectionMethod is SELECTION_METHOD_TRUNCATION Default truncateRate is .10 More selectionMethods will be introduced in future releases.

Constructor Summary

Constructors

Constructor and Description
GAConfiguration()

Method Summary

Modifier and Type	Method and Description
ChromosomeCriteria	getChromosomeCriteria() retrieve the ChromosomeCriteria
int	getChromosomeLen() Retrieve the chromosome length
double	getCrossOverRate() Retrieve the cross over rate
int	getElitismCnt() Retrieve the elitism count
IFitnessFunction	getFitnessFunction() Retrieve IFitnessFunction
List<Gene>	getGenePool() Retrieve the gene pool
double	getMutationRate() Retrieve the mutation rate.
int	getPopulationSize() Retrieve the population size
GAGridConstants.SELECTION_METHOD	getSelectionMtd() Get the selection method
ITerminateCriteria	getTerminateCriteria() Retreive the termination criteria
double	getTruncateRate() Retrieve truncateRate
boolean	isHigherFitnessValFitter()
void	setChromosomeCriteria(ChromosomeCriteria chromosomeCriteria) set value for ChromosomeCriteria
void	setChromosomeLen(int chromosomeLen) Set the Chromsome length
void	setCrossOverRate(double crossOverRate) Set the cross over rate.
void	setElitismCnt(int elitismCnt) Set the elitism count.
void	setFitnessFunction(IFitnessFunction fitnessFunction) Set IFitnessFunction
void	setGenePool(List<Gene> genePool) Set the gene pool.
void	setMutationRate(double mutationRate) Set the mutation rate.
void	setPopulationSize(int populationSize) Set the population size
void	setSelectionMtd(GAGridConstants.SELECTION_METHOD selectionMtd) Set the selection method
void	setTerminateCriteria(ITerminateCriteria terminateCriteria) Set the termination criteria.
void	setTruncateRate(double truncateRate) Set truncatePercentage

Methods inherited from class java.lang.Object

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

Constructor Detail

GAConfiguration

public GAConfiguration()

Method Detail

getChromosomeCriteria

public ChromosomeCriteria getChromosomeCriteria()

retrieve the ChromosomeCriteria

Returns:

Chromosome criteria

setChromosomeCriteria

public void setChromosomeCriteria(ChromosomeCriteria chromosomeCriteria)

set value for ChromosomeCriteria

Parameters:

chromosomeCriteria - Chromosome criteria

isHigherFitnessValFitter

public boolean isHigherFitnessValFitter()

Returns:

Boolean value indicating how fitness values should be evaluated.

getChromosomeLen

public int getChromosomeLen()

Retrieve the chromosome length

Returns:

Size of Chromosome

setChromosomeLen

public void setChromosomeLen(int chromosomeLen)

Set the Chromsome length

Parameters:

chromosomeLen - Size of Chromosome

getCrossOverRate

public double getCrossOverRate()

Retrieve the cross over rate

Returns:

Cross over rate

setCrossOverRate

public void setCrossOverRate(double crossOverRate)

Set the cross over rate.

Parameters:

crossOverRate - Cross over rate

getElitismCnt

public int getElitismCnt()

Retrieve the elitism count

Returns:

Elitism count

setElitismCnt

public void setElitismCnt(int elitismCnt)

Set the elitism count.

Parameters:

elitismCnt - Elitism count

getFitnessFunction

public IFitnessFunction getFitnessFunction()

Retrieve IFitnessFunction

Returns:

Fitness function

setFitnessFunction

public void setFitnessFunction(IFitnessFunction fitnessFunction)

Set IFitnessFunction

Parameters:

fitnessFunction - Fitness function

getGenePool

public List<Gene> getGenePool()

Retrieve the gene pool

Returns:

List of Genes

setGenePool

public void setGenePool(List<Gene> genePool)

Set the gene pool. NOTE: When Apache Ignite is started the gene pool is utilized to initialize the distributed GAGridConstants.GENE_CACHE.

Parameters:

genePool - List of Genes

getMutationRate

public double getMutationRate()

Retrieve the mutation rate.

Returns:

Mutation Rate

setMutationRate

public void setMutationRate(double mutationRate)

Set the mutation rate.

Parameters:

mutationRate - Mutation Rate

getPopulationSize

public int getPopulationSize()

Retrieve the population size

Returns:

Population size

setPopulationSize

public void setPopulationSize(int populationSize)

Set the population size

Parameters:

populationSize - Size of population

getSelectionMtd

public GAGridConstants.SELECTION_METHOD getSelectionMtd()

Get the selection method

Returns:

Selection method

setSelectionMtd

public void setSelectionMtd(GAGridConstants.SELECTION_METHOD selectionMtd)

Set the selection method

Parameters:

selectionMtd - Selection method

getTerminateCriteria

public ITerminateCriteria getTerminateCriteria()

Retreive the termination criteria

Returns:

Termination Criteria

setTerminateCriteria

public void setTerminateCriteria(ITerminateCriteria terminateCriteria)

Set the termination criteria.

Parameters:

terminateCriteria - Termination Criteria

getTruncateRate

public double getTruncateRate()

Retrieve truncateRate

Returns:

Truncate Rate

setTruncateRate

public void setTruncateRate(double truncateRate)

Set truncatePercentage

Parameters:

truncateRate - Truncate rate