furny.ga
Class FurnLayoutIndividual

java.lang.Object
  furny.ga.FurnLayoutIndividual

All Implemented Interfaces:

IClusterableIndividual<FurnLayoutIndividual>, ICostInfo, IDebugInfo, IFitness, IIndividual<FurnLayoutIndividual>, IIntervalFitness, java.lang.Cloneable, org.apache.commons.math.stat.clustering.Clusterable<FurnLayoutIndividual>

public final class FurnLayoutIndividual
extends java.lang.Object
implements IClusterableIndividual<FurnLayoutIndividual>, IIntervalFitness, IDebugInfo, ICostInfo

Individual for furniture layouts. This supports clustering, interval fitness, cost info output and debug infos.

Since:

11.08.2012

Author:

Stephan Dreyer

Field Summary

private GAContext	context The GA context is always required.
private double	fitnessCenter
private double	fitnessMax
private double	fitnessMin
private FurnEntryList	furnitures List of furniture entries.
private long	id
private static java.util.concurrent.atomic.AtomicLong	ID_GENERATOR Generator for unique ids.
private static java.util.Random	rnd

Fields inherited from interface ga.core.individual.IFitness

UNEVALUATED

Constructor Summary

FurnLayoutIndividual()
Creates a new individual.

FurnLayoutIndividual(GAContext context)
Creates a new individual using the given context.

Method Summary

FurnLayoutIndividual	centroidOf(java.util.Collection<FurnLayoutIndividual> c)
FurnLayoutIndividual	clone() Creates a new individual that is equal to this.
double	distanceFrom(FurnLayoutIndividual ind2) Calculates the distance from this individual to the second individual, normalized to [0;1].
boolean	equals(java.lang.Object obj)
GAContext	getContext() Getter for the GA context.
double	getCosts() Get the costs as double.
java.lang.String	getCostString() Get the textual representation of the costs.
java.lang.String	getDebugString() Get the debug string of the individual.
double	getFitness() Getter for the fitness of the individual.
double	getFitnessWidth() Getter for the fitness width (max-min).
FurnEntryList	getFurnitures() Getter for the genotype of the individual.
java.lang.String	getGenotypeString() Get a string representation of the genotype.
long	getId() Getter for the unique id.
java.lang.String	getIdString() Get a string of the id.
double	getMaxFitness() Getter for the maximum fitness.
double	getMinFitness() Getter for the minimum fitness.
long[][]	getSimpleGenotype() Getter for the simple genotype.
int	hashCode()
void	initRandomly() Initializes the genotype randomly and resets the fitness.
boolean	isEvaluated() Determines if the individual has been evaluated.
void	setContext(GAContext context) Sets the GA context.
void	setFitness(double fitness) Setter for the fitness of the individual.
void	setFitnessInterval(double center, double width) Sets the fitness interval by its center and width.
void	setFitnessLimits(double min, double max) Sets the fitness interval by its minimum and maximum.
java.lang.String	toString()

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

rnd

private static java.util.Random rnd

ID_GENERATOR

private static final java.util.concurrent.atomic.AtomicLong ID_GENERATOR

Generator for unique ids.

id

private final long id

furnitures

private final FurnEntryList furnitures

List of furniture entries. This is the genotype of the individual.

fitnessCenter

private double fitnessCenter

fitnessMin

private double fitnessMin

fitnessMax

private double fitnessMax

context

private GAContext context

The GA context is always required.

Constructor Detail

FurnLayoutIndividual

public FurnLayoutIndividual(GAContext context)

Creates a new individual using the given context. It will have a unique id.

Parameters:

context - The GA context.

Since:

11.08.2012

FurnLayoutIndividual

public FurnLayoutIndividual()

Creates a new individual. It will have a unique id. The GA context must be set later.

Since:

11.08.2012

Method Detail

setContext

public void setContext(GAContext context)

Description copied from interface: IIndividual

Sets the GA context.

Specified by:

setContext in interface IIndividual<FurnLayoutIndividual>

Parameters:

context - The context

getContext

public GAContext getContext()

Description copied from interface: IIndividual

Getter for the GA context.

Specified by:

getContext in interface IIndividual<FurnLayoutIndividual>

Returns:

context The context

getId

public long getId()

Description copied from interface: IIndividual

Getter for the unique id.

Specified by:

getId in interface IIndividual<FurnLayoutIndividual>

Returns:

The id.

setFitness

public void setFitness(double fitness)

Description copied from interface: IFitness

Setter for the fitness of the individual.

Specified by:

setFitness in interface IFitness

Parameters:

fitness - The fitness.

getFitness

public double getFitness()

Description copied from interface: IFitness

Getter for the fitness of the individual.

Specified by:

getFitness in interface IFitness

Returns:

The fitness.

getMaxFitness

public double getMaxFitness()

Description copied from interface: IIntervalFitness

Getter for the maximum fitness.

Specified by:

getMaxFitness in interface IIntervalFitness

Returns:

The max fitness.

getMinFitness

public double getMinFitness()

Description copied from interface: IIntervalFitness

Getter for the minimum fitness.

Specified by:

getMinFitness in interface IIntervalFitness

Returns:

The min fitness.

getFitnessWidth

public double getFitnessWidth()

Description copied from interface: IIntervalFitness

Getter for the fitness width (max-min).

Specified by:

getFitnessWidth in interface IIntervalFitness

Returns:

The width.

setFitnessInterval

public void setFitnessInterval(double center,
                               double width)

Description copied from interface: IIntervalFitness

Sets the fitness interval by its center and width.

Specified by:

setFitnessInterval in interface IIntervalFitness

Parameters:

center - Center of the fitness interval.

width - The width of the fitness interval.

setFitnessLimits

public void setFitnessLimits(double min,
                             double max)

Description copied from interface: IIntervalFitness

Sets the fitness interval by its minimum and maximum.

Specified by:

setFitnessLimits in interface IIntervalFitness

Parameters:

min - Minimum fitness.

max - Maximum fitness.

initRandomly

public void initRandomly()

Description copied from interface: IIndividual

Initializes the genotype randomly and resets the fitness.

Specified by:

initRandomly in interface IIndividual<FurnLayoutIndividual>

getFurnitures

public FurnEntryList getFurnitures()

Getter for the genotype of the individual.

Returns:

The list of furniture entries.

Since:

11.08.2012

getSimpleGenotype

public long[][] getSimpleGenotype()

Getter for the simple genotype. This is just an array of long numbers.

Returns:

The simple genotype.

Since:

11.08.2012

isEvaluated

public boolean isEvaluated()

Description copied from interface: IIndividual

Determines if the individual has been evaluated.

Specified by:

isEvaluated in interface IIndividual<FurnLayoutIndividual>

Returns:

true if the individual is evaluated.

clone

public FurnLayoutIndividual clone()

Description copied from interface: IIndividual

Creates a new individual that is equal to this.

Specified by:

clone in interface IIndividual<FurnLayoutIndividual>

Overrides:

clone in class java.lang.Object

Returns:

The clone.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

getDebugString

public java.lang.String getDebugString()

Description copied from interface: IDebugInfo

Get the debug string of the individual. This is usually the genotyp and the fitness.

Specified by:

getDebugString in interface IDebugInfo

Returns:

Debug string.

getIdString

public java.lang.String getIdString()

Description copied from interface: IDebugInfo

Get a string of the id.

Specified by:

getIdString in interface IDebugInfo

Returns:

Id as string.

getCosts

public double getCosts()

Description copied from interface: ICostInfo

Get the costs as double.

Specified by:

getCosts in interface ICostInfo

Returns:

Costs.

getCostString

public java.lang.String getCostString()

Description copied from interface: ICostInfo

Get the textual representation of the costs.

Specified by:

getCostString in interface ICostInfo

Returns:

Costs string.

getGenotypeString

public java.lang.String getGenotypeString()

Description copied from interface: IDebugInfo

Get a string representation of the genotype.

Specified by:

getGenotypeString in interface IDebugInfo

Returns:

Genotype string.

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Overrides:

hashCode in class java.lang.Object

centroidOf

public FurnLayoutIndividual centroidOf(java.util.Collection<FurnLayoutIndividual> c)

Specified by:

centroidOf in interface org.apache.commons.math.stat.clustering.Clusterable<FurnLayoutIndividual>

distanceFrom

public double distanceFrom(FurnLayoutIndividual ind2)

Description copied from interface: IClusterableIndividual

Calculates the distance from this individual to the second individual, normalized to [0;1].

Specified by:

distanceFrom in interface IClusterableIndividual<FurnLayoutIndividual>

Specified by:

distanceFrom in interface org.apache.commons.math.stat.clustering.Clusterable<FurnLayoutIndividual>

Parameters:

ind2 - The second individual

Returns:

Normalized distance of this individual from the second individual.