adams.genetic
Class MTAbstractGeneticAlgorithm.GeneticAlgorithmJob

java.lang.Object
  adams.core.ConsoleObject
      adams.multiprocess.Job
          adams.genetic.MTAbstractGeneticAlgorithm.GeneticAlgorithmJob

All Implemented Interfaces:

CleanUpHandler, SizeOfHandler, Serializable

Enclosing class:

MTAbstractGeneticAlgorithm

public abstract static class MTAbstractGeneticAlgorithm.GeneticAlgorithmJob
extends Job

A job class specific to genetic algorithms.

Version:

$Revision: 4584 $

Author:

dale

See Also:

Serialized Form

Field Summary

protected int	m_chrom_num the number of chromosomes.
protected Double	m_fitness the current fitness.
protected MTAbstractGeneticAlgorithm	m_genetic the algorithm object this job belongs to.
protected int[]	m_weights the weights of the chromosomes (0 = turned off, 1 = turned on).

Fields inherited from class adams.multiprocess.Job

m_complete, m_completed, m_depends, m_ExecutionError, m_jobInfo, m_jobParams

Constructor Summary

MTAbstractGeneticAlgorithm.GeneticAlgorithmJob(MTAbstractGeneticAlgorithm g, int num, int[] w)
Initializes the job.

Method Summary

abstract void	calcNewFitness() Calculates the new fitness.
void	cleanUp() Cleans up data structures, frees up memory.
Double	getFitness() Returns the fitness.
MTAbstractGeneticAlgorithm	getGenetic() Returns the algorithm this job belongs to.
int	getNumChrom() Returns the number of chromosomes.
int[]	getWeights() Returns the current weights of the attributes.
protected String	postProcessCheck() Checks whether all post-conditions have been met.
protected String	preProcessCheck() Checks whether all pre-conditions have been met.
protected void	process() Does the actual execution of the job.
String	toString() Returns a string representation of the job.
String	weightsToString() Turns the weights into a string representation.

Methods inherited from class adams.multiprocess.Job

addDependency, addParam, execute, getAdditionalErrorInformation, getAsVector, getDependencies, getExecutionError, getJobCompleteListener, getJobInfo, getParam, hasExecutionError, isComplete, jobCompleted, setJobCompleteListener

Methods inherited from class adams.core.ConsoleObject

getDebugging, getSystemErr, getSystemOut, sizeOf

Methods inherited from class java.lang.Object

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

Field Detail

m_weights

protected int[] m_weights

the weights of the chromosomes (0 = turned off, 1 = turned on).

m_genetic

protected MTAbstractGeneticAlgorithm m_genetic

the algorithm object this job belongs to.

m_fitness

protected Double m_fitness

the current fitness.

m_chrom_num

protected int m_chrom_num

the number of chromosomes.

Constructor Detail

MTAbstractGeneticAlgorithm.GeneticAlgorithmJob

public MTAbstractGeneticAlgorithm.GeneticAlgorithmJob(MTAbstractGeneticAlgorithm g,
                                                      int num,
                                                      int[] w)

Initializes the job.

Parameters:

g - the algorithm object this job belongs to

num - the number of chromsomes

w - the initial weights

Method Detail

getGenetic

public MTAbstractGeneticAlgorithm getGenetic()

Returns the algorithm this job belongs to.

Returns:

the owner

getWeights

public int[] getWeights()

Returns the current weights of the attributes.

Returns:

the weights

getNumChrom

public int getNumChrom()

Returns the number of chromosomes.

Returns:

the number of chromosomes

getFitness

public Double getFitness()

Returns the fitness.

Returns:

the fitness

weightsToString

public String weightsToString()

Turns the weights into a string representation.

Returns:

the weights as string

calcNewFitness

public abstract void calcNewFitness()

Calculates the new fitness.

preProcessCheck

protected String preProcessCheck()

Checks whether all pre-conditions have been met.

Specified by:

preProcessCheck in class Job

Returns:

null if everything is OK, otherwise an error message

process

protected void process()

Does the actual execution of the job.

Specified by:

process in class Job

postProcessCheck

protected String postProcessCheck()

Checks whether all post-conditions have been met.

Specified by:

postProcessCheck in class Job

Returns:

always null

cleanUp

public void cleanUp()

Cleans up data structures, frees up memory. Sets the weights and the genetic algorithm to null.

Specified by:

cleanUp in interface CleanUpHandler

Overrides:

cleanUp in class Job

toString

public String toString()

Returns a string representation of the job.

Specified by:

toString in class Job

Returns:

a string representation