org.uma.jmetal.runner.multiobjective.MOMBI2Runner Maven / Gradle / Ivy
package org.uma.jmetal.runner.multiobjective;
import org.uma.jmetal.algorithm.Algorithm;
import org.uma.jmetal.algorithm.multiobjective.mombi.MOMBI2;
import org.uma.jmetal.operator.CrossoverOperator;
import org.uma.jmetal.operator.MutationOperator;
import org.uma.jmetal.operator.SelectionOperator;
import org.uma.jmetal.operator.impl.crossover.SBXCrossover;
import org.uma.jmetal.operator.impl.mutation.PolynomialMutation;
import org.uma.jmetal.operator.impl.selection.BinaryTournamentSelection;
import org.uma.jmetal.problem.Problem;
import org.uma.jmetal.solution.DoubleSolution;
import org.uma.jmetal.util.*;
import org.uma.jmetal.util.comparator.RankingAndCrowdingDistanceComparator;
import org.uma.jmetal.util.evaluator.impl.SequentialSolutionListEvaluator;
import java.io.FileNotFoundException;
import java.util.List;
/**
* Class to configure and run the MOMBI2 algorithm
*
* @author Juan J. Durillo
*
* Reference: Improved Metaheuristic Based on the R2 Indicator for Many-Objective Optimization.
* R. Hernández Gómez, C.A. Coello Coello. Proceeding GECCO '15 Proceedings of the 2015 on Genetic
* and Evolutionary Computation Conference. Pages 679-686
* DOI: 10.1145/2739480.2754776
*/
public class MOMBI2Runner extends AbstractAlgorithmRunner {
/**
* @param args Command line arguments.
* @throws JMetalException
* @throws FileNotFoundException
* Invoking command:
java org.uma.jmetal.runner.multiobjective.MOMBIRunner problemName [referenceFront]
*/
public static void main(String[] args) throws JMetalException, FileNotFoundException {
Problem problem;
Algorithm> algorithm;
CrossoverOperator crossover;
MutationOperator mutation;
SelectionOperator, DoubleSolution> selection;
String referenceParetoFront = "" ;
String problemName ;
if (args.length == 1) {
problemName = args[0];
} else if (args.length == 2) {
problemName = args[0] ;
referenceParetoFront = args[1] ;
} else {
problemName = "org.uma.jmetal.problem.multiobjective.dtlz.DTLZ1";
referenceParetoFront = "jmetal-problem/src/test/resources/pareto_fronts/DTLZ1.3D.pf" ;
}
problem = ProblemUtils. loadProblem(problemName);
double crossoverProbability = 0.9 ;
double crossoverDistributionIndex = 20.0 ;
crossover = new SBXCrossover(crossoverProbability, crossoverDistributionIndex) ;
double mutationProbability = 1.0 / problem.getNumberOfVariables() ;
double mutationDistributionIndex = 20.0 ;
mutation = new PolynomialMutation(mutationProbability, mutationDistributionIndex) ;
selection = new BinaryTournamentSelection(new RankingAndCrowdingDistanceComparator());
algorithm = new MOMBI2<>(problem,750,crossover,mutation,selection,new SequentialSolutionListEvaluator(),
"mombi2-weights/weight/weight_08D.sld");
AlgorithmRunner algorithmRunner = new AlgorithmRunner.Executor(algorithm)
.execute() ;
List population = algorithm.getResult() ;
long computingTime = algorithmRunner.getComputingTime() ;
JMetalLogger.logger.info("Total execution time: " + computingTime + "ms");
printFinalSolutionSet(population);
if (!referenceParetoFront.equals("")) {
printQualityIndicators(population, referenceParetoFront) ;
}
}
}