org.evolvica.core.recombine.iarray
Class MultipointCrossover

java.lang.Object
  org.evolvica.engine.AbstractOperator
      org.evolvica.core.common.AbstractGeneticOperator
          org.evolvica.core.recombine.AbstractRecombinator
              org.evolvica.core.recombine.iarray.IntegerArrayRecombinator
                  org.evolvica.core.recombine.iarray.MultipointCrossover

All Implemented Interfaces:

IGeneticOperator, IOperator, IProcessor, java.io.Serializable

public class MultipointCrossover

extends IntegerArrayRecombinator

Multipoint Crossover for integer arrays. This operator produces two children from two parents. For the number of intersection na obtains: 0 < na < width( list ).

Since:

0.4.0

Version:

$Revision: 1.9 $ $Date: 2004/05/26 11:58:16 $

Author:

Andreas Rummler

See Also:

Serialized Form

Field Summary

protected int[]	intersectionPoints Intersection points.
protected int	intersections Number of intersections.
protected java.util.Random	random Random generator.

Fields inherited from class org.evolvica.core.recombine.AbstractRecombinator

builder

Fields inherited from class org.evolvica.engine.AbstractOperator

descriptor, element, id, name

Constructor Summary

MultipointCrossover()
Constructor.

MultipointCrossover(int intersections)
Constructor.

MultipointCrossover(int[] intersectionPoints)
Constructor with intersection points.

Method Summary

int	getProducedChildren() Return the number of produced children.
int	getRequiredParents() Returns the number of required parents for a valid recombination.
protected int[][]	recombine(int[][] parents) Recombines integer arrays.

Methods inherited from class org.evolvica.core.recombine.iarray.IntegerArrayRecombinator

recombine

Methods inherited from class org.evolvica.core.recombine.AbstractRecombinator

getBuilder, process, setBuilder

Methods inherited from class org.evolvica.engine.AbstractOperator

attachDescriptor, attachElement, descriptor, element, getId, getName, setId, setName

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.evolvica.engine.IOperator

attachDescriptor, attachElement, descriptor, element, getId, getName, setId, setName

Field Detail

random

protected java.util.Random random

Random generator.

intersections

protected int intersections

Number of intersections.

intersectionPoints

protected int[] intersectionPoints

Intersection points.

Constructor Detail

MultipointCrossover

public MultipointCrossover()

Constructor. The number of intersections is set to 1.

MultipointCrossover

public MultipointCrossover(int intersections)

Constructor.

Parameters:

intersections - number of intersections of the lists

MultipointCrossover

public MultipointCrossover(int[] intersectionPoints)

Constructor with intersection points. This constructor should only be used for debugging purposes.

Parameters:

intersectionPoints - array with intersection points

Method Detail

recombine

protected int[][] recombine(int[][] parents)

Description copied from class: IntegerArrayRecombinator

Recombines integer arrays.

Specified by:

recombine in class IntegerArrayRecombinator

Parameters:

parents - array of integer arrays from parents

Returns:

array of integer arrays for the children

See Also:

IntegerArrayRecombinator.recombine(int[][])

getProducedChildren

public int getProducedChildren()

Description copied from class: AbstractRecombinator

Return the number of produced children.

Specified by:

getProducedChildren in class AbstractRecombinator

Returns:

number of children

See Also:

AbstractRecombinator.getProducedChildren()

getRequiredParents

public int getRequiredParents()

Description copied from class: AbstractRecombinator

Returns the number of required parents for a valid recombination.

Specified by:

getRequiredParents in class AbstractRecombinator

Returns:

number of parents

See Also:

AbstractRecombinator.getRequiredParents()