Package de.uka.ipd.sdq.dsexplore.opt4j.archive

Class PopulationTracker

java.lang.Object

de.uka.ipd.sdq.dsexplore.opt4j.archive.PopulationTracker

All Implemented Interfaces:

org.opt4j.core.IndividualSetListener

public class PopulationTracker
extends Object
implements org.opt4j.core.IndividualSetListener

Stores all individuals ever added to the tracked population This is an IndividualSetListener that listens on the Population instance from the Opt4J Task. Additionally, a set Pareto-optimal candidates is maintained that can be retrieved by getParetoOptimalIndividuals().

Constructor Summary

Constructors

Constructor	Description
PopulationTracker(org.opt4j.core.optimizer.Population population)

Method Summary

Modifier and Type	Method	Description
boolean	addIndividualsManually(DSEIndividual individual)	Has to be an evaluated individual.
DSEIndividual	getIndividualForPhenotype(PCMPhenotype pheno)	Returns the individual for the given phenotype or null if none can be found.
List<DSEIndividual>	getIndividuals()
List<DSEIndividual>	getParetoOptimalIndividuals()	Careful: This can 20 minutes to calculate if you have over 1000 candidates in the PopulationTracker.
void	individualAdded(org.opt4j.core.IndividualSet collection, org.opt4j.core.Individual individual)
void	individualRemoved(org.opt4j.core.IndividualSet collection, org.opt4j.core.Individual individual)
int	size()

Methods inherited from class java.lang.Object

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

Constructor Details

PopulationTracker

@Inject
public PopulationTracker(org.opt4j.core.optimizer.Population population)

Method Details

individualAdded

public void individualAdded(org.opt4j.core.IndividualSet collection,
 org.opt4j.core.Individual individual)

Specified by:

individualAdded in interface org.opt4j.core.IndividualSetListener

getIndividuals

public List<DSEIndividual> getIndividuals()

individualRemoved

public void individualRemoved(org.opt4j.core.IndividualSet collection,
 org.opt4j.core.Individual individual)

Specified by:

individualRemoved in interface org.opt4j.core.IndividualSetListener

getParetoOptimalIndividuals

public List<DSEIndividual> getParetoOptimalIndividuals()

Careful: This can 20 minutes to calculate if you have over 1000 candidates in the PopulationTracker.

Returns:

getIndividualForPhenotype

public DSEIndividual getIndividualForPhenotype(PCMPhenotype pheno)

Returns the individual for the given phenotype or null if none can be found.

Parameters:

pheno -

Returns:

the individual or null

size

public int size()

addIndividualsManually

public boolean addIndividualsManually(DSEIndividual individual)

Has to be an evaluated individual.

Parameters:

individual -

Throws:

RuntimeException - if the individual is null or not yet evaluated (i.e. individual.isEvaluated returns false).