public static void main(String[] args) throws InvalidConfigurationException { // Reading data from xml try { new InputData().readFromFile(XML_TEST_FILENAME); } catch (SAXException e) { System.out.println(e.getMessage()); } catch (IOException e) { System.out.println(e.getMessage()); } catch (ParserConfigurationException e) { System.out.println(e.getMessage()); } // Configuration conf = new DefaultConfiguration(); Configuration conf = new Configuration("myconf"); TimetableFitnessFunction fitnessFunction = new TimetableFitnessFunction(); InitialConstraintChecker timetableConstraintChecker = new InitialConstraintChecker(); // Creating genes Gene[] testGenes = new Gene[CHROMOSOME_SIZE]; for (int i = 0; i < CHROMOSOME_SIZE; i++) { testGenes[i] = new GroupClassTeacherLessonTimeSG( conf, new Gene[] { new GroupGene(conf, 1), new ClassGene(conf, 1), new TeacherGene(conf, 1), new LessonGene(conf, 1), new TimeGene(conf, 1) }); } System.out.println("=================================="); // Creating chromosome Chromosome testChromosome; testChromosome = new Chromosome(conf, testGenes); testChromosome.setConstraintChecker(timetableConstraintChecker); // Setup configuration conf.setSampleChromosome(testChromosome); conf.setPopulationSize(POPULATION_SIZE); conf.setFitnessFunction(fitnessFunction); // add fitness function BestChromosomesSelector myBestChromosomesSelector = new BestChromosomesSelector(conf); conf.addNaturalSelector(myBestChromosomesSelector, false); conf.setRandomGenerator(new StockRandomGenerator()); conf.setEventManager(new EventManager()); conf.setFitnessEvaluator(new DefaultFitnessEvaluator()); CrossoverOperator myCrossoverOperator = new CrossoverOperator(conf); conf.addGeneticOperator(myCrossoverOperator); TimetableMutationOperator myMutationOperator = new TimetableMutationOperator(conf); conf.addGeneticOperator(myMutationOperator); conf.setKeepPopulationSizeConstant(false); // Creating genotype // Population pop = new Population(conf, testChromosome); // Genotype population = new Genotype(conf, pop); Genotype population = Genotype.randomInitialGenotype(conf); System.out.println("Our Chromosome: \n " + testChromosome.getConfiguration().toString()); System.out.println("------------evolution-----------------------------"); // Begin evolution Calendar cal = Calendar.getInstance(); start_t = cal.getTimeInMillis(); for (int i = 0; i < MAX_EVOLUTIONS; i++) { System.out.println( "generation#: " + i + " population size:" + (Integer) population.getPopulation().size()); if (population.getFittestChromosome().getFitnessValue() >= THRESHOLD) break; population.evolve(); } cal = Calendar.getInstance(); finish_t = cal.getTimeInMillis(); System.out.println("--------------end of evolution--------------------"); Chromosome fittestChromosome = (Chromosome) population.getFittestChromosome(); System.out.println( "-------------The best chromosome---fitness=" + fittestChromosome.getFitnessValue() + "---"); System.out.println(" Group Class Time"); for (int i = 0; i < CHROMOSOME_SIZE; i++) { GroupClassTeacherLessonTimeSG s = (GroupClassTeacherLessonTimeSG) fittestChromosome.getGene(i); System.out.println( "Gene " + i + " contains: " + (Integer) s.geneAt(GROUP).getAllele() + " " + (Integer) s.geneAt(CLASS).getAllele() + " " + (Integer) s.geneAt(TEACHER).getAllele() + " " + (Integer) s.geneAt(LESSON).getAllele() + " " + (Integer) s.geneAt(TIME).getAllele()); // GroupGene gg = (GroupGene)s.geneAt(GROUP); // System.out.println("gg's idGroup"+gg.getAllele()+" gg.getGroupSize()"+ gg.getGroupSize() ); } System.out.println("Elapsed time:" + (double) (finish_t - start_t) / 1000 + "s"); // Display the best solution OutputData od = new OutputData(); od.printToConsole(fittestChromosome); // Write population to the disk try { od.printToFile(population, GENOTYPE_FILENAME, BEST_CHROMOSOME_FILENAME); } catch (IOException e) { System.out.println("IOException raised! " + e.getMessage()); } }