org.oakgp.evolve.mutate

Class HoistMutation

java.lang.Object

org.oakgp.evolve.mutate.HoistMutation

All Implemented Interfaces:

GeneticOperator

public final class HoistMutation
extends Object
implements GeneticOperator

Selects a subtree of the parent as a new offspring.

The resulting offspring will be smaller than the parent.

Constructor Summary

Constructors

Constructor and Description
HoistMutation(Random random) Creates a HoistMutation that uses the given Random to select subtrees as new offspring.

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

HoistMutation

public HoistMutation(Random random)

Creates a HoistMutation that uses the given Random to select subtrees as new offspring.

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