org.oakgp.evolve.mutate

Class ConstantToFunctionMutation

java.lang.Object

org.oakgp.evolve.mutate.ConstantToFunctionMutation

All Implemented Interfaces:

GeneticOperator

public final class ConstantToFunctionMutation
extends Object
implements GeneticOperator

Replaces a randomly selected terminal node of the parent with a newly generated subtree.

Constructor Summary

Constructors

Constructor and Description
ConstantToFunctionMutation(Random random, TreeGenerator treeGenerator) Creates a ConstantToFunctionMutation that uses the given TreeGenerator to generate new subtrees to replace existing terminals.

Method Summary

Modifier and Type	Method and Description
Node	evolve(NodeSelector selector) Returns a new Node evolved from existing instances.

Methods inherited from class java.lang.Object

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

Constructor Detail

ConstantToFunctionMutation

public ConstantToFunctionMutation(Random random,
                                  TreeGenerator treeGenerator)

Creates a ConstantToFunctionMutation that uses the given TreeGenerator to generate new subtrees to replace existing terminals.

Parameters:

random - used to randomly select terminal nodes to mutate

treeGenerator - used to generate new subtrees to replace terminal nodes selected for mutation

Method Detail

evolve

public Node evolve(NodeSelector selector)

Description copied from interface: GeneticOperator

Returns a new Node evolved from existing instances.

Specified by:

evolve in interface GeneticOperator

Parameters:

selector - used to select the existing instances to use as a basis for evolving a new instance

Returns:

a new Node evolved from existing instances obtained from selector