org.uma.jmetal.operator.impl.selection

Class RankingAndCrowdingSelection

java.lang.Object

org.uma.jmetal.operator.impl.selection.RankingAndCrowdingSelection

All Implemented Interfaces:

Serializable, Operator<List<? extends Solution>,List<? extends Solution>>, SelectionOperator<List<? extends Solution>,List<? extends Solution>>

public class RankingAndCrowdingSelection
extends Object
implements SelectionOperator<List<? extends Solution>,List<? extends Solution>>

This class implements a selection for selecting a number of solutions from a solution list. The solutions are taken by mean of its ranking and crowding distance values.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
RankingAndCrowdingSelection(int solutionsToSelect) Constructor

Method Summary

Modifier and Type	Method and Description
protected void	addLastRankedSolutionsToPopulation(Ranking ranking, int rank, List<Solution> population)
protected void	addRankedSolutionsToPopulation(Ranking ranking, int rank, List<Solution> population)
protected List<Solution>	crowdingDistanceSelection(Ranking ranking)
List<? extends Solution>	execute(List<? extends Solution> solutionList) Execute() method
int	getSolutionsToSelect()
protected boolean	subfrontFillsIntoThePopulation(Ranking ranking, int rank, List<Solution> population)

Methods inherited from class java.lang.Object

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

Constructor Detail

RankingAndCrowdingSelection

public RankingAndCrowdingSelection(int solutionsToSelect)

Constructor

Method Detail

getSolutionsToSelect

public int getSolutionsToSelect()

execute

public List<? extends Solution> execute(List<? extends Solution> solutionList)
                                 throws JMetalException

Execute() method

Specified by:

execute in interface Operator<List<? extends Solution>,List<? extends Solution>>

Parameters:

solutionList - the data to process

Throws:

JMetalException

crowdingDistanceSelection

protected List<Solution> crowdingDistanceSelection(Ranking ranking)

subfrontFillsIntoThePopulation

protected boolean subfrontFillsIntoThePopulation(Ranking ranking,
                                                 int rank,
                                                 List<Solution> population)

addRankedSolutionsToPopulation

protected void addRankedSolutionsToPopulation(Ranking ranking,
                                              int rank,
                                              List<Solution> population)

addLastRankedSolutionsToPopulation

protected void addLastRankedSolutionsToPopulation(Ranking ranking,
                                                  int rank,
                                                  List<Solution> population)