edu.ksu.cis.kdd.ga
Class Subpopulation

java.lang.Object
  edu.ksu.cis.kdd.ga.Subpopulation

public class Subpopulation

extends java.lang.Object

Author:

Roby Joehanes

Field Summary

protected Chromosome[]	chromosomes
protected java.lang.Class[]	constParam
protected Constraint	constraint
protected double	elitePercentage
protected int	eliteSize
protected Fitness	fitness
protected java.util.LinkedList	op
protected GAOp[]	opCache
protected java.util.LinkedList	opProb
protected double[]	opProbCache
protected int	opSize
protected double	opTotalProb
static MersenneTwisterFast	random
protected int	size

Constructor Summary

Subpopulation(int size, Chromosome chrom, Fitness f)

Method Summary

void	addOperator(GAOp op, double p)
protected Chromosome	chooseChromosome()
protected GAOp	chooseOperator()
Chromosome	getBestChromosome()
Constraint	getConstraint()
double	getElitePercentage()
Fitness	getFitness()
void	newGeneration()
protected void	precacheOp()
void	removeOp(GAOp op)
void	setConstraint(Constraint constraint) Sets the constraint.
void	setElitePercentage(double elitePercentage) Sets the elitePercentage.
void	setFitness(Fitness fitness) Sets the fitness.

Methods inherited from class java.lang.Object

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

Field Detail

chromosomes

protected Chromosome[] chromosomes

size

protected int size

op

protected java.util.LinkedList op

opProb

protected java.util.LinkedList opProb

opTotalProb

protected double opTotalProb

opSize

protected int opSize

opCache

protected GAOp[] opCache

opProbCache

protected double[] opProbCache

elitePercentage

protected double elitePercentage

eliteSize

protected int eliteSize

fitness

protected Fitness fitness

constraint

protected Constraint constraint

random

public static final MersenneTwisterFast random

constParam

protected java.lang.Class[] constParam

Constructor Detail

Subpopulation

public Subpopulation(int size,
                     Chromosome chrom,
                     Fitness f)

Method Detail

newGeneration

public void newGeneration()

chooseChromosome

protected Chromosome chooseChromosome()

chooseOperator

protected GAOp chooseOperator()

getBestChromosome

public Chromosome getBestChromosome()

precacheOp

protected void precacheOp()

addOperator

public void addOperator(GAOp op,
                        double p)

removeOp

public void removeOp(GAOp op)

getElitePercentage

public double getElitePercentage()

Returns:

double

setElitePercentage

public void setElitePercentage(double elitePercentage)

Sets the elitePercentage.

Parameters:

elitePercentage - The elitePercentage to set

getFitness

public Fitness getFitness()

Returns:

Fitness

setFitness

public void setFitness(Fitness fitness)

Sets the fitness.

Parameters:

fitness - The fitness to set

getConstraint

public Constraint getConstraint()

Returns:

Constraint

setConstraint

public void setConstraint(Constraint constraint)

Sets the constraint.

Parameters:

constraint - The constraint to set