org.uma.jmetal.operator.impl.crossover

Class SinglePointCrossover

java.lang.Object

org.uma.jmetal.operator.impl.crossover.SinglePointCrossover

All Implemented Interfaces:

Serializable, CrossoverOperator<BinarySolution>, Operator<List<BinarySolution>,List<BinarySolution>>

public class SinglePointCrossover
extends Object
implements CrossoverOperator<BinarySolution>

This class implements a single point crossover operator.

Author:

Antonio J. Nebro

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
SinglePointCrossover(double crossoverProbability) Constructor
SinglePointCrossover(double crossoverProbability, RandomGenerator<Double> randomGenerator) Constructor
SinglePointCrossover(double crossoverProbability, RandomGenerator<Double> crossoverRandomGenerator, BoundedRandomGenerator<Integer> pointRandomGenerator) Constructor

Method Summary

Modifier and Type	Method and Description
List<BinarySolution>	doCrossover(double probability, BinarySolution parent1, BinarySolution parent2) Perform the crossover operation.
List<BinarySolution>	execute(List<BinarySolution> solutions)
double	getCrossoverProbability()
int	getNumberOfGeneratedChildren()
int	getNumberOfRequiredParents()
void	setCrossoverProbability(double crossoverProbability)

Methods inherited from class java.lang.Object

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

Constructor Detail

SinglePointCrossover

public SinglePointCrossover(double crossoverProbability)

Constructor

SinglePointCrossover

public SinglePointCrossover(double crossoverProbability,
                            RandomGenerator<Double> randomGenerator)

Constructor

SinglePointCrossover

public SinglePointCrossover(double crossoverProbability,
                            RandomGenerator<Double> crossoverRandomGenerator,
                            BoundedRandomGenerator<Integer> pointRandomGenerator)

Constructor

Method Detail

getCrossoverProbability

public double getCrossoverProbability()

setCrossoverProbability

public void setCrossoverProbability(double crossoverProbability)

execute

public List<BinarySolution> execute(List<BinarySolution> solutions)

Specified by:

execute in interface Operator<List<BinarySolution>,List<BinarySolution>>

Parameters:

solutions - The data to process

doCrossover

public List<BinarySolution> doCrossover(double probability,
                                        BinarySolution parent1,
                                        BinarySolution parent2)

Perform the crossover operation.

Parameters:

probability - Crossover setProbability

parent1 - The first parent

parent2 - The second parent

Returns:

An array containing the two offspring

getNumberOfRequiredParents

public int getNumberOfRequiredParents()

Specified by:

getNumberOfRequiredParents in interface CrossoverOperator<BinarySolution>

getNumberOfGeneratedChildren

public int getNumberOfGeneratedChildren()

Specified by:

getNumberOfGeneratedChildren in interface CrossoverOperator<BinarySolution>