From 0dbf126fc524bc029d9f5803d849b7c8f43fe389 Mon Sep 17 00:00:00 2001
From: Eduardo Pedroni <ep625@york.ac.uk>
Date: Thu, 3 Apr 2014 15:29:24 +0100
Subject: Visual feedback for parameters implemented.

---
 src/jcgp/backend/modules/ea/MuPlusLambda.java | 57 +++++++++++++--------------
 1 file changed, 28 insertions(+), 29 deletions(-)

(limited to 'src/jcgp/backend/modules/ea/MuPlusLambda.java')

diff --git a/src/jcgp/backend/modules/ea/MuPlusLambda.java b/src/jcgp/backend/modules/ea/MuPlusLambda.java
index fcfba05..22a0876 100644
--- a/src/jcgp/backend/modules/ea/MuPlusLambda.java
+++ b/src/jcgp/backend/modules/ea/MuPlusLambda.java
@@ -1,13 +1,10 @@
 package jcgp.backend.modules.ea;
 
-import java.util.HashMap;
-
 import jcgp.JCGP.Resources;
 import jcgp.backend.modules.ModuleStatus;
 import jcgp.backend.modules.mutator.Mutator;
 import jcgp.backend.parameters.IntegerParameter;
 import jcgp.backend.parameters.Parameter;
-import jcgp.backend.population.Chromosome;
 import jcgp.backend.population.Population;
 
 /**
@@ -19,52 +16,54 @@ import jcgp.backend.population.Population;
  */
 public class MuPlusLambda implements EvolutionaryAlgorithm {
 	
-	private Chromosome fittestChromosome;
+	private int fittestChromosome;
 	
 	private IntegerParameter parents, offspring;
-	
-	private HashMap<String, Parameter> localParameters;
-	
-	public MuPlusLambda() {		
-		parents = new IntegerParameter(1, "Parents");
-		offspring = new IntegerParameter(4, "Offspring");		
-		
-		localParameters = new HashMap<String, Parameter>();
 		
-		localParameters.put("mu", parents);
-		localParameters.put("lambda", offspring);
+	public MuPlusLambda() {		
+		parents = new IntegerParameter(1, "Parents") {
+			@Override
+			protected void validate(int newValue) {
+				
+			}
+		};
+		offspring = new IntegerParameter(4, "Offspring") {
+			@Override
+			protected void validate(int newValue) {
+				
+			}
+		};
 	}
 
 	@Override
-	public void evolve(Population population, Mutator mutator, Resources parameters) {
+	public void evolve(Population population, Mutator mutator, Resources resources) {
+		// TODO actually use parents and offspring
 		// select fittest chromosome
-		int fittest = 0;
+		fittestChromosome = 0;
 		
-		for (int i = 1; i < parameters.getInt("popSize"); i++) {
-			if (population.getChromosome(i).getFitness() >= population.getChromosome(fittest).getFitness()) {
-				fittest = i;
+		for (int i = 1; i < resources.getInt("popSize"); i++) {
+			if (population.getChromosome(i).getFitness() >= population.getChromosome(fittestChromosome).getFitness()) {
+				fittestChromosome = i;
 			}
 		}
-		fittestChromosome = population.getChromosome(fittest);
-		population.setBestIndividual(fittest);
+		
 		// create copies of fittest chromosome, mutate them
-		Chromosome fc = population.getChromosome(fittest);
-		for (int i = 0; i < parameters.getInt("popSize"); i++) {
-			if (i != fittest) {
-				population.getChromosome(i).copyConnections(fc);
-				mutator.mutate(population.getChromosome(i), parameters);
+		for (int i = 0; i < resources.getInt("popSize"); i++) {
+			if (i != fittestChromosome) {
+				population.copyChromosome(fittestChromosome, i);
+				mutator.mutate(population.getChromosome(i), resources);
 			}
 		}
 	}
 
 	@Override
-	public Chromosome getFittestChromosome() {
+	public int getFittestChromosome() {
 		return fittestChromosome;
 	}
 
 	@Override
-	public HashMap<String, Parameter> getLocalParameters() {
-		return localParameters;
+	public Parameter[] getLocalParameters() {
+		return new Parameter[] {parents, offspring};
 	}
 
 	@Override
-- 
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