org.encog.ml.ea.opp

Class CompoundOperator

java.lang.Object

org.encog.ml.ea.opp.CompoundOperator

All Implemented Interfaces:

java.io.Serializable, EvolutionaryOperator

public class CompoundOperator
extends java.lang.Object
implements EvolutionaryOperator, java.io.Serializable

A compound operator randomly chooses sub-operators to perform the actual operation. Each of the sub-operators can be provided with a weighting.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
CompoundOperator()

Method Summary

Modifier and Type	Method and Description
OperationList	getComponents()
EvolutionaryAlgorithm	getOwner()
void	init(EvolutionaryAlgorithm theOwner) Called to setup the evolutionary operator.
int	offspringProduced()
int	parentsNeeded()
void	performOperation(java.util.Random rnd, Genome[] parents, int parentIndex, Genome[] offspring, int offspringIndex) Perform the evolutionary operation.

Methods inherited from class java.lang.Object

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

Constructor Detail

CompoundOperator

public CompoundOperator()

Method Detail

getComponents

public OperationList getComponents()

Returns:

the components

getOwner

public EvolutionaryAlgorithm getOwner()

Returns:

the owner

init

public void init(EvolutionaryAlgorithm theOwner)

Called to setup the evolutionary operator.

Specified by:

init in interface EvolutionaryOperator

Parameters:

theOwner - The evolutionary algorithm used with this operator.

offspringProduced

public int offspringProduced()

Specified by:

offspringProduced in interface EvolutionaryOperator

Returns:

The number of offspring produced by this type of crossover.

parentsNeeded

public int parentsNeeded()

Specified by:

parentsNeeded in interface EvolutionaryOperator

Returns:

The number of parents needed.

performOperation

public void performOperation(java.util.Random rnd,
                             Genome[] parents,
                             int parentIndex,
                             Genome[] offspring,
                             int offspringIndex)

Perform the evolutionary operation.

Specified by:

performOperation in interface EvolutionaryOperator

Parameters:

rnd - A random number generator.

parents - The parents.

parentIndex - The index into the parents array.

offspring - The offspring.

offspringIndex - An index into the offspring array.