public Hashtable getResults() {
Hashtable hs = new Hashtable();
hs.put("runningTime", getRunTime());
hs.put("numberOfGenerations", getGenerations());
hs.put("intermediates", ga.getGenerationResults());
hs.put("finalWord", getEvolvedWord());
return hs;
}
public void runEvolution(String target) {
int ch;
CHROMOSOME_SIZE = target.length();
Individual<BitwiseChromosome> sample =
new Individual<BitwiseChromosome>(
new BitwiseChromosome(CHROMOSOME_SIZE, new AlphaCoding()));
Population<BitwiseChromosome> pop = new Population<BitwiseChromosome>(sample, POPULATION_SIZE);
AbstractStage<BitwiseChromosome> selection = new TournamentSelector<BitwiseChromosome>(3);
AbstractStage<BitwiseChromosome> crossover = new OnePointCrossover<BitwiseChromosome>(0.8);
AbstractStage<BitwiseChromosome> mutation = new SimpleMutator<BitwiseChromosome>(0.2);
ga = new WordGA(pop, GENERATION_LIMIT);
ga.setTargetWord(target);
ga.addStage(selection);
ga.addStage(crossover);
ga.addStage(mutation);
ga.addGenerationEventListener(ga);
ga.setBiggerIsBetter(true);
ga.evolve();
}
public String getEvolvedWord() {
return ga.getEvolvedWord();
}
public int getGenerations() {
return ga.getRunGenerations();
}
public long getRunTime() {
return ga.getRunTime();
}