org.biojavax.ga.functions
Interface SelectionFunction

All Known Implementing Classes:

AbstractSelectionFunction, ProportionalSelection, SelectionFunction.SelectAll, SelectionFunction.Threshold

public interface SelectionFunction

Selects Organisms for Replication and returns the offspring.

Since:

1.5

Version:

1.0

Author:

Mark Schreiber

Nested Class Summary

static class	SelectionFunction.SelectAll
static class	SelectionFunction.Threshold Selects individuals who's fitness exceeds a threshold value.

Field Summary

static SelectionFunction	DEFAULT Selects all members of a population for replication
static ChangeType	FITNESS_FUNCTION

Method Summary

FitnessFunction	getFitnessFunction()
Population	select(Population pop, GeneticAlgorithm genAlg) Selects a Population of Organisms for replication based on their fitness.
void	setFitnessFunction(FitnessFunction func) The fitness function that will be used by the select method.

Field Detail

DEFAULT

static final SelectionFunction DEFAULT

Selects all members of a population for replication

FITNESS_FUNCTION

static final ChangeType FITNESS_FUNCTION

Method Detail

select

Population select(Population pop,
                  GeneticAlgorithm genAlg)
                  throws ChangeVetoException

Selects a Population of Organisms for replication based on their fitness.

Parameters:

pop - the Population to select from.

genAlg - the parent GeneticAlgorithm.

Returns:

the Organisms selected

Throws:

ChangeVetoException - if the function attempts to change the population and it is vetoed.

setFitnessFunction

void setFitnessFunction(FitnessFunction func)
                        throws ChangeVetoException

The fitness function that will be used by the select method.

Parameters:

func - the FitnessFunction to be used

Throws:

ChangeVetoException - if the change is vetoed.

getFitnessFunction

FitnessFunction getFitnessFunction()