Package org.moeaframework.core.operator

Class TypeSafeMutation<T extends Variable>

java.lang.Object

org.moeaframework.core.operator.TypeSafeMutation<T>

Type Parameters:

T - the type of decision variable this operator supports

All Implemented Interfaces:

Configurable, Mutation, Variation

Direct Known Subclasses:

Add, Insertion, PM, Remove, Replace, Swap, UM

public abstract class TypeSafeMutation<T extends Variable>
extends Object
implements Mutation

An abstract mutation class that validates the types of each variable before applying the mutation operation with a given probability.

Constructor Summary

Constructors

Constructor	Description
TypeSafeMutation(Class<T> type, double probability)	Constructs a new mutation operator for the given type.

Method Summary

Modifier and Type	Method	Description
double	getProbability()	Returns the probability of mutating each decision variable
Solution	mutate(Solution parent)	Mutates the given parent to produce an offspring.
abstract void	mutate(T variable)	Mutates in place a single decision variable.
void	setProbability(double probability)	Sets the probability of mutating each decision variable.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.moeaframework.core.configuration.Configurable

applyConfiguration, getConfiguration

Methods inherited from interface org.moeaframework.core.operator.Mutation

evolve, getArity

Methods inherited from interface org.moeaframework.core.Variation

getName

Constructor Details

TypeSafeMutation

public TypeSafeMutation(Class<T> type,
 double probability)

Constructs a new mutation operator for the given type.

Parameters:

type - the type of decision variable this operator supports

probability - the probability of mutating each decision variable

Method Details

getProbability

public double getProbability()

Returns the probability of mutating each decision variable

Returns:

the probability between 0.0 and 1.0, inclusive

setProbability

public void setProbability(double probability)

Sets the probability of mutating each decision variable.

Parameters:

probability - the probability between 0.0 and 1.0, inclusive

mutate

public Solution mutate(Solution parent)

Description copied from interface: Mutation

Mutates the given parent to produce an offspring.

Specified by:

mutate in interface Mutation

Parameters:

parent - the parent solution

Returns:

the offspring

mutate

public abstract void mutate(T variable)

Mutates in place a single decision variable.

Parameters:

variable - the variable to mutate