/** * PAES_Settings.java * * @author Antonio J. Nebro * @version 1.0 * * PAES_Settings class of algorithm PAES */package jmetal.experiments.settings;import jmetal.metaheuristics.paes.*;import java.util.Properties;import jmetal.base.Algorithm;import jmetal.base.Operator;import jmetal.base.Problem;import jmetal.base.operator.mutation.MutationFactory;import jmetal.experiments.Settings;import jmetal.problems.ProblemFactory;import jmetal.qualityIndicator.QualityIndicator;import jmetal.util.JMException;/** * * @author Antonio */public class PAES_Settings extends Settings{    // Default settings  int populationSize_ = 100   ;  int maxEvaluations_ = 25000 ;  int archiveSize_    = 100   ;  int biSections_     = 5     ;   double mutationProbability_  = 1.0/problem_.getNumberOfVariables() ;    double  distributionIndexForMutation_ = 20    ;    String paretoFrontFile_ = "" ;    /**   * Constructor   */  public PAES_Settings(Problem problem) {    super(problem) ;  } // PAES_Settings    /**   * Configure the MOCell algorithm with default parameter settings   * @return an algorithm object   * @throws jmetal.util.JMException   */  public Algorithm configure() throws JMException {    Algorithm algorithm ;    Operator  mutation  ;        QualityIndicator indicators ;        // Creating the problem    algorithm = new PAES(problem_) ;    // Algorithm parameters    algorithm.setInputParameter("maxEvaluations", maxEvaluations_);    algorithm.setInputParameter("biSections", biSections_);    algorithm.setInputParameter("archiveSize",archiveSize_ );        // Mutation for Real codification     mutation = MutationFactory.getMutationOperator("PolynomialMutation");                        mutation.setParameter("probability", mutationProbability_);    mutation.setParameter("distributionIndex",distributionIndexForMutation_);                // Add the operators to the algorithm    algorithm.addOperator("mutation",mutation);       // Creating the indicator object   if (! paretoFrontFile_.equals("")) {      indicators = new QualityIndicator(problem_, paretoFrontFile_);      algorithm.setInputParameter("indicators", indicators) ;     } // if    return algorithm ;  }    /**   * Configure an algorithm with user-defined parameter settings   * @param settings   * @return An algorithm   * @throws jmetal.util.JMException   */  public Algorithm configure(Properties settings) throws JMException {    if (settings != null) {      biSections_  = Integer.parseInt(settings.getProperty("BISECTIONS", ""+biSections_)) ;      maxEvaluations_  = Integer.parseInt(settings.getProperty("MAX_EVALUATIONS", ""+maxEvaluations_)) ;      archiveSize_     = Integer.parseInt(settings.getProperty("ARCHIVE_SIZE", ""+archiveSize_)) ;      mutationProbability_ = Double.parseDouble(settings.getProperty("MUTATION_PROBABILITY",                                                     ""+mutationProbability_)) ;      distributionIndexForMutation_ =             Double.parseDouble(settings.getProperty("DISTRIBUTION_INDEX_FOR_MUTATION",                                                     ""+distributionIndexForMutation_)) ;      paretoFrontFile_ = settings.getProperty("PARETO_FRONT_FILE", "") ;    }        return configure() ;  }} // PAES_Settings