net.sourceforge.cilib.coevolution.selection
Class OpponentSelectionStrategy

java.lang.Object
  net.sourceforge.cilib.coevolution.selection.OpponentSelectionStrategy

All Implemented Interfaces:

Serializable, Cloneable

Direct Known Subclasses:

SelectAllOpponentSelectionStrategy, SelectNOpponentSelectionStrategy

public abstract class OpponentSelectionStrategy
extends Object
implements Cloneable

This class determins how opponents are selected from the opponent pool. A List of OpponentPoolSelectionStrategy's is maintained by this class to dictate how the opponent pool is selected.

Author:

Julien Duhain, leo

See Also:

Serialized Form

Field Summary

protected int	ownPopulationID
protected boolean	selectFromOwnPopulation

Constructor Summary

OpponentSelectionStrategy()

OpponentSelectionStrategy(OpponentSelectionStrategy copy)

Method Summary

void	addPoolSelectionStrategy(OpponentPoolSelectionStrategy strategy)
void	clearPoolSelectionStrategies()
abstract OpponentSelectionStrategy	getClone() Create a cloned copy of the current object and return it.
abstract CoevolutionCompetitorList	selectCompetitors(CoevolutionCompetitorList pool) Select opponents from the pool
CoevolutionCompetitorList	setCompetitors(int currentPopulationID, List<PopulationBasedAlgorithm> populations) Creates the opponent pool with an arbitrary number of OpponentPoolSelectionStrategys and select opponents from it.
void	setOwnPopulationID(int ownPopulationID)
void	setSelectFromOwnPopulation(boolean selectFromOwnPopulation)

Methods inherited from class java.lang.Object

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

Field Detail

ownPopulationID

protected int ownPopulationID

selectFromOwnPopulation

protected boolean selectFromOwnPopulation

Constructor Detail

OpponentSelectionStrategy

public OpponentSelectionStrategy()

OpponentSelectionStrategy

public OpponentSelectionStrategy(OpponentSelectionStrategy copy)

Method Detail

getClone

public abstract OpponentSelectionStrategy getClone()

Create a cloned copy of the current object and return it. In general the created copy will be a deep copy of the provided instance. As a result this operation an be quite expensive if used incorrectly.

Specified by:

getClone in interface Cloneable

Returns:

An exact clone of the current object instance.

See Also:

Object.clone()

selectCompetitors

public abstract CoevolutionCompetitorList selectCompetitors(CoevolutionCompetitorList pool)

Select opponents from the pool

Parameters:

pool - the pool of potential opponents

Returns:

the selected opponents

setCompetitors

public CoevolutionCompetitorList setCompetitors(int currentPopulationID,
                                                List<PopulationBasedAlgorithm> populations)

Creates the opponent pool with an arbitrary number of OpponentPoolSelectionStrategys and select opponents from it.

Parameters:

populationID - id of current pop

populations - the sub populations of the competitive coevolution algorithm

Returns:

list of selected opponents

setOwnPopulationID

public void setOwnPopulationID(int ownPopulationID)

setSelectFromOwnPopulation

public void setSelectFromOwnPopulation(boolean selectFromOwnPopulation)

addPoolSelectionStrategy

public void addPoolSelectionStrategy(OpponentPoolSelectionStrategy strategy)

clearPoolSelectionStrategies

public void clearPoolSelectionStrategies()