org.oakgp.evolve.crossover

Class OnePointCrossover

java.lang.Object

org.oakgp.evolve.crossover.OnePointCrossover

All Implemented Interfaces:

GeneticOperator

public final class OnePointCrossover
extends Object
implements GeneticOperator

Replaces a subtree in one parent with the subtree at the corresponding position of another parent.

One-point crossover is a homologous operation - i.e. the structure of the resulting tree has a similar structure to the trees that were combined to produce it.

See Also:

Genetic Programming with One-Point Crossover and Point Mutation

Constructor Summary

Constructors

Constructor and Description
OnePointCrossover(Random random) Creates a OnePointCrossover that uses the given Random to select crossover points.

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

OnePointCrossover

public OnePointCrossover(Random random)

Creates a OnePointCrossover that uses the given Random to select crossover points.

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