Package libai.genetics.chromosomes

Class Chromosome

java.lang.Object

libai.genetics.chromosomes.Chromosome

Direct Known Subclasses:

BinaryChromosome, IntegerChromosome

public abstract class Chromosome
extends java.lang.Object

The chromosome abstraction. Keeps the fitness and the chance to be selected by the roulette. Also has the methods to mutate and cross with another chromosome in an specific point.

Constructor Summary

Constructors

Constructor	Description
Chromosome()

Method Summary

Modifier and Type	Method	Description
abstract Chromosome[]	cross(Chromosome b, int position)	Split the genes by position and swap lower portion of this with the lower portion of b and return the new individual
double	getChance()
abstract Chromosome	getCopy()	Copy constructor
double	getFitness()
double	getFitnessReal()
abstract Chromosome	getInstance(int length, java.util.Random random)	Generic constructor
abstract Chromosome	mutate(double pm)	Change one gene of the chromosome
void	setChance(double chance)
void	setFitness(double fitness)
void	setFitnessReal(double fitnessReal)

Methods inherited from class java.lang.Object

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

Constructor Detail

Chromosome

public Chromosome()

Method Detail

cross

public abstract Chromosome[] cross(Chromosome b,
                                   int position)

Split the genes by position and swap lower portion of this with the lower portion of b and return the new individual

Parameters:

b - b

position - position

Returns:

new individual

mutate

public abstract Chromosome mutate(double pm)

Change one gene of the chromosome

Parameters:

pm - pm

Returns:

mutated Chromosome

getCopy

public abstract Chromosome getCopy()

Copy constructor

Returns:

copy of this Chromosome

getInstance

public abstract Chromosome getInstance(int length,
                                       java.util.Random random)

Generic constructor

Parameters:

length - length

Returns:

Chromosome instance

getFitness

public double getFitness()

Returns:

the fitness

setFitness

public void setFitness(double fitness)

Parameters:

fitness - The new fitness

getChance

public double getChance()

Returns:

the chance to be selected

setChance

public void setChance(double chance)

Parameters:

chance - The new chance.

getFitnessReal

public double getFitnessReal()

Returns:

the fitnessReal

setFitnessReal

public void setFitnessReal(double fitnessReal)

Parameters:

fitnessReal - The new fitnessReal.