de.kumpe.hadooptimizer.impl
Class DuplicatingRecombiner<I>

java.lang.Object
  de.kumpe.hadooptimizer.impl.DuplicatingRecombiner<I>

Type Parameters:

I - the individual's type

All Implemented Interfaces:

NeedsRandomGenerator, Recombiner<I>, Serializable

public final class DuplicatingRecombiner<I>
extends Object
implements Recombiner<I>, NeedsRandomGenerator

A Recombiner which creates the given number of offspring by randomly selecting and duplicating a parents.

It does not copy the parents! It only "duplicate" the reference.

Author:

Christian Kumpe

See Also:

Serialized Form

Constructor Summary

DuplicatingRecombiner(int offspring)
Creates a new DuplicatingRecombiner which generated the given number of offspring.

Method Summary

int	getOffspring()
Collection<I>	recombine(Collection<EvaluationResult<I>> parentResults) Recombines the children from the parents in the given evaluationResults.
void	setRandomGenerator(org.apache.commons.math.random.RandomGenerator randomGenerator) Injects a RandomGenerator instance.

Methods inherited from class java.lang.Object

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

Constructor Detail

DuplicatingRecombiner

public DuplicatingRecombiner(int offspring)

Creates a new DuplicatingRecombiner which generated the given number of offspring.

Parameters:

offspring - the number of offspring to create in recombination

Method Detail

setRandomGenerator

public void setRandomGenerator(org.apache.commons.math.random.RandomGenerator randomGenerator)

Description copied from interface: NeedsRandomGenerator

Injects a RandomGenerator instance.

Specified by:

setRandomGenerator in interface NeedsRandomGenerator

Parameters:

randomGenerator - the new RandomGenerator instance

getOffspring

public int getOffspring()

recombine

public Collection<I> recombine(Collection<EvaluationResult<I>> parentResults)

Description copied from interface: Recombiner

Recombines the children from the parents in the given evaluationResults.

Specified by:

recombine in interface Recombiner<I>

Returns:

the newly created children, they may not be modified parent-objects

See Also:

Recombiner