jeco.kernel.algorithm.moga
Class NSGAII

java.lang.Object
  jeco.kernel.algorithm.Algorithm
      jeco.kernel.algorithm.moga.NSGAII

public class NSGAII
extends Algorithm

Input parameters: - MAX_GENERATIONS - MAX_POPULATION_SIZE Operators: - CROSSOVER: Crossover operator - MUTATION: Mutation operator - SELECTION: Selection operator

Author:

José L. Risco-Martín

Field Summary

protected CrossoverOperator	crossoverOperator
protected int	currentGeneration
protected java.util.Comparator<Solution>	dominance
protected int	maxGenerations
protected int	maxPopulationSize
protected MutationOperator	mutationOperator
protected Solutions	population
protected SelectionOperator	selectionOperator

Fields inherited from class jeco.kernel.algorithm.Algorithm

name, problem

Constructor Summary

NSGAII(Problem problem, int maxPopulationSize, int maxGenerations, MutationOperator mutationOperator, CrossoverOperator crossoverOperator, SelectionOperator selectionOperator)

Method Summary

Solutions	execute()
void	initialize()
Solutions	reduce(Solutions pop, int maxSize)
void	setCrossoverOperator(CrossoverOperator crossoverOperator)
void	setMaxGenerations(int maxGenerations)
void	setMaxPopulationSize(int maxPopulationSize)
void	setMutationOperator(MutationOperator mutationOperator)
void	setSelectionOperator(SelectionOperator selectionOperator)
void	step()

Methods inherited from class jeco.kernel.algorithm.Algorithm

getName, getProblem, setLevel, setProblem

Methods inherited from class java.lang.Object

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

Field Detail

maxGenerations

protected int maxGenerations

maxPopulationSize

protected int maxPopulationSize

dominance

protected java.util.Comparator<Solution> dominance

currentGeneration

protected int currentGeneration

population

protected Solutions population

mutationOperator

protected MutationOperator mutationOperator

crossoverOperator

protected CrossoverOperator crossoverOperator

selectionOperator

protected SelectionOperator selectionOperator

Constructor Detail

NSGAII

public NSGAII(Problem problem,
              int maxPopulationSize,
              int maxGenerations,
              MutationOperator mutationOperator,
              CrossoverOperator crossoverOperator,
              SelectionOperator selectionOperator)

Method Detail

initialize

public void initialize()

Specified by:

initialize in class Algorithm

execute

public Solutions execute()

Specified by:

execute in class Algorithm

step

public void step()

Specified by:

step in class Algorithm

reduce

public Solutions reduce(Solutions pop,
                        int maxSize)

setMutationOperator

public void setMutationOperator(MutationOperator mutationOperator)

setCrossoverOperator

public void setCrossoverOperator(CrossoverOperator crossoverOperator)

setSelectionOperator

public void setSelectionOperator(SelectionOperator selectionOperator)

setMaxGenerations

public void setMaxGenerations(int maxGenerations)

setMaxPopulationSize

public void setMaxPopulationSize(int maxPopulationSize)