org.opt4j.common.archive

Class PopulationArchive

java.lang.Object

org.opt4j.core.IndividualSet

org.opt4j.core.optimizer.Archive

org.opt4j.common.archive.AbstractArchive

org.opt4j.common.archive.PopulationArchive

All Implemented Interfaces:

Iterable<Individual>, Collection<Individual>, Set<Individual>

public class PopulationArchive
extends AbstractArchive

The PopulationArchive keeps the non-dominated Individuals from the Population. It is assumed that the update(Set) method is called with the current Population in each iteration.

Author:

lukasiewycz

Constructor Summary

Constructors

Constructor and Description
PopulationArchive()

Method Summary

Modifier and Type	Method and Description
boolean	update(Set<? extends Individual> individuals) Updates the archive with a set of individuals.

Methods inherited from class org.opt4j.core.optimizer.Archive

add, addAll, addAll, update

Methods inherited from class org.opt4j.core.IndividualSet

addListener, clear, contains, containsAll, isEmpty, iterator, remove, removeAll, removeListener, retainAll, size, toArray, toArray

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Set

equals, hashCode, spliterator

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Constructor Detail

PopulationArchive

public PopulationArchive()

Method Detail

update

public boolean update(Set<? extends Individual> individuals)

Description copied from class: Archive

Updates the archive with a set of individuals. Instead of the add /addAll methods, which are prohibited for the archive (throwing an UnsupportedOperationException), this method shall be used.

Overrides:

update in class AbstractArchive

Parameters:

individuals - the set of individuals that is used to update the archive

Returns:

returns true if the content of the archive changed