From 226365bd6a0f56143ffbce7379857ff3e126fbaf Mon Sep 17 00:00:00 2001
From: Eduardo Pedroni <ep625@york.ac.uk>
Date: Mon, 7 Apr 2014 15:58:30 +0100
Subject: Refactoring resources for (hopefully) the last time

---
 src/jcgp/backend/modules/ea/MuPlusLambda.java | 98 ---------------------------
 1 file changed, 98 deletions(-)
 delete mode 100644 src/jcgp/backend/modules/ea/MuPlusLambda.java

(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
deleted file mode 100644
index 0d16111..0000000
--- a/src/jcgp/backend/modules/ea/MuPlusLambda.java
+++ /dev/null
@@ -1,98 +0,0 @@
-package jcgp.backend.modules.ea;
-
-import jcgp.backend.modules.mutator.Mutator;
-import jcgp.backend.population.Population;
-import jcgp.backend.resources.Resources;
-import jcgp.backend.resources.parameters.BooleanParameter;
-import jcgp.backend.resources.parameters.IntegerParameter;
-import jcgp.backend.resources.parameters.Parameter;
-import jcgp.backend.resources.parameters.ParameterStatus;
-
-/**
- * (μ + λ) EA.
- * 
- * 
- * @author Eduardo Pedroni
- *
- */
-public class MuPlusLambda implements EvolutionaryAlgorithm {
-	
-	private int fittestChromosome;
-	
-	private IntegerParameter parents, offspring;
-	private BooleanParameter report;
-		
-	public MuPlusLambda(final Resources resources) {
-		parents = new IntegerParameter(1, "Parents") {
-			@Override
-			public void validate(int newValue) {
-				if (newValue + offspring.get() != resources.getInt("popSize")) {
-					status = ParameterStatus.INVALID;
-					status.setDetails("Parents + offspring must equal population size.");
-				} else if (newValue <= 0) {
-					status = ParameterStatus.INVALID;
-					status.setDetails("EA needs at least 1 parent.");
-				} else {
-					status = ParameterStatus.VALID;
-				}
-			}
-		};
-		offspring = new IntegerParameter(4, "Offspring") {
-			@Override
-			public void validate(int newValue) {
-				if (newValue + parents.get() != resources.getInt("popSize")) {
-					status = ParameterStatus.INVALID;
-					status.setDetails("Parents + offspring must equal population size.");
-				} else if (newValue <= 0) {
-					status = ParameterStatus.INVALID;
-					status.setDetails("EA needs at least 1 offspring.");
-				} else {
-					status = ParameterStatus.VALID;
-				}
-			}
-		};
-		report = new BooleanParameter(false, "Report") {
-			@Override
-			public void validate(boolean newValue) {
-				// nothing
-			}
-		};
-	}
-
-	@Override
-	public void evolve(Population population, Mutator mutator, Resources resources) {
-		// select fittest chromosomes
-		fittestChromosome = 0;
-		
-		for (int i = 1; i < resources.getInt("popSize"); i++) {
-			if (population.getChromosome(i).getFitness() >= population.getChromosome(fittestChromosome).getFitness()) {
-				fittestChromosome = i;
-			}
-		}
-		
-		// create copies of fittest chromosome, mutate them
-		for (int i = 0; i < resources.getInt("popSize"); i++) {
-			if (i != fittestChromosome) {
-				population.copyChromosome(fittestChromosome, i);
-				mutator.mutate(population.getChromosome(i), resources);
-			}
-		}
-		
-	}
-
-	@Override
-	public int getFittestChromosome() {
-		return fittestChromosome;
-	}
-
-	@Override
-	public Parameter[] getLocalParameters() {
-		return new Parameter[] {parents, offspring, report};
-	}
-
-	@Override
-	public String toString() {
-		return "(μ + λ)";
-	}
-	
-}
-- 
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