net.sourceforge.cilib.entity.operators.mutation
Class MutationStrategy

java.lang.Object
  net.sourceforge.cilib.entity.operators.mutation.MutationStrategy

All Implemented Interfaces:

Serializable, Operator, Cloneable

Direct Known Subclasses:

CauchyMutationStrategy, GaussianMutationStrategy, UniformMutationStrategy

public abstract class MutationStrategy
extends Object
implements Operator

Author:

Andries Engelbrecht, Gary Pampara

See Also:

Serialized Form

Constructor Summary

MutationStrategy()

MutationStrategy(MutationStrategy copy)

Method Summary

abstract MutationStrategy	getClone() Create a cloned copy of the current object and return it.
ControlParameter	getMutationProbability()
String	getOperator()
MutationOperatorStrategy	getOperatorStrategy() Get the defined net.sourceforge.cilib.offspringList.operators.mutation.MutationOperatorStrategy.
RandomNumber	getRandomNumber()
abstract void	mutate(List<? extends Entity> offspringList) Perform the mutation operation on the provided list of offspring individuals.
void	setMutationProbability(ControlParameter mutationProbability)
void	setOperator(String operator) This sets the operator to be used within the mutation strategy.
void	setOperatorStrategy(MutationOperatorStrategy operatorStrategy)
void	setRandomNumber(RandomNumber randomNumber)

Methods inherited from class java.lang.Object

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

Methods inherited from interface net.sourceforge.cilib.entity.operators.Operator

performOperation

Constructor Detail

MutationStrategy

public MutationStrategy()

MutationStrategy

public MutationStrategy(MutationStrategy copy)

Method Detail

getClone

public abstract MutationStrategy 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 Operator

Specified by:

getClone in interface Cloneable

Returns:

An exact clone of the current object instance.

See Also:

Object.clone()

mutate

public abstract void mutate(List<? extends Entity> offspringList)

Perform the mutation operation on the provided list of offspring individuals.

Parameters:

offspringList - The list of Entity instances to perform a mutation on.

getMutationProbability

public ControlParameter getMutationProbability()

Returns:

setMutationProbability

public void setMutationProbability(ControlParameter mutationProbability)

Parameters:

mutationProbability -

getRandomNumber

public RandomNumber getRandomNumber()

setRandomNumber

public void setRandomNumber(RandomNumber randomNumber)

getOperator

public String getOperator()

setOperator

public void setOperator(String operator)

This sets the operator to be used within the mutation strategy. The mutation can be multiplicative or additive. Valid values for the operator are defined in the list below.

Multiplicative:	Additive:
*	+
times	plus, add
multiplicative	additive

Parameters:

operator - A String defining the desired operation

getOperatorStrategy

public MutationOperatorStrategy getOperatorStrategy()

Get the defined net.sourceforge.cilib.offspringList.operators.mutation.MutationOperatorStrategy.

Returns:

setOperatorStrategy

public void setOperatorStrategy(MutationOperatorStrategy operatorStrategy)