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/mutator/Mutator.java      |  2 +-
 src/jcgp/backend/modules/mutator/PointMutator.java | 32 ++++++++++++++++++----
 2 files changed, 28 insertions(+), 6 deletions(-)

(limited to 'src/jcgp/backend/modules/mutator')

diff --git a/src/jcgp/backend/modules/mutator/Mutator.java b/src/jcgp/backend/modules/mutator/Mutator.java
index ffdd35c..1d5b99a 100644
--- a/src/jcgp/backend/modules/mutator/Mutator.java
+++ b/src/jcgp/backend/modules/mutator/Mutator.java
@@ -6,6 +6,6 @@ import jcgp.backend.resources.Resources;
 
 public interface Mutator extends Module {
 
-	void mutate(Chromosome chromosome, Resources parameters);
+	void mutate(Chromosome chromosome, Resources resources);
 	
 }
diff --git a/src/jcgp/backend/modules/mutator/PointMutator.java b/src/jcgp/backend/modules/mutator/PointMutator.java
index 54d5f3d..1f38cfe 100644
--- a/src/jcgp/backend/modules/mutator/PointMutator.java
+++ b/src/jcgp/backend/modules/mutator/PointMutator.java
@@ -1,11 +1,11 @@
 package jcgp.backend.modules.mutator;
 
-import jcgp.backend.function.Function;
 import jcgp.backend.population.Chromosome;
 import jcgp.backend.population.MutableElement;
 import jcgp.backend.population.Node;
 import jcgp.backend.population.Output;
 import jcgp.backend.resources.Resources;
+import jcgp.backend.resources.parameters.BooleanParameter;
 import jcgp.backend.resources.parameters.DoubleParameter;
 import jcgp.backend.resources.parameters.Parameter;
 import jcgp.backend.resources.parameters.ParameterStatus;
@@ -13,6 +13,7 @@ import jcgp.backend.resources.parameters.ParameterStatus;
 public class PointMutator implements Mutator {
 	
 	private DoubleParameter mutationRate;
+	private BooleanParameter report;
 
 	public PointMutator(final Resources resources) {
 		mutationRate = new DoubleParameter(50, "Percent mutation", false, false) {
@@ -29,23 +30,44 @@ public class PointMutator implements Mutator {
 				}
 			}
 		};
+		
+		report = new BooleanParameter(false, "Report") {
+			@Override
+			public void validate(boolean newValue) {
+				// blank
+			}
+		};
 	}
 
 	@Override
 	public void mutate(Chromosome chromosome, Resources resources) {
 		int mutations = (int) ((mutationRate.get()) * ((((resources.getDouble("nodes")) + (resources.getDouble("outputs")))) / 100));
+		if (report.get()) resources.reportln("[Mutator] Number of mutations to be performed: " + mutations);
 		for (int i = 0; i < mutations; i++) {
 			MutableElement m = chromosome.getRandomMutableElement();
+			if (report.get()) resources.report("[Mutator] Mutation " + i + " selected " + m.toString() + ", ");
 			
 			if (m instanceof Output) {
+				if (report.get()) resources.report("changed source from " + ((Output) m).getSource().toString() + " ");
+				
 				m.setConnection(0, chromosome.getRandomConnection());
+				
+				if (report.get()) resources.reportln("to " + ((Output) m).getSource().toString());
 			} else if (m instanceof Node) {
 				int geneType = resources.getRandomInt(1 + resources.getInt("arity"));
 				if (geneType < 1) {
-					Function f = resources.getRandomFunction();
-					((Node) m).setFunction(f);
+					if (report.get()) resources.report("changed function from " + ((Node) m).getFunction().getName() + " ");
+					
+					((Node) m).setFunction(resources.getRandomFunction());
+					
+					if (report.get()) resources.reportln("to " + ((Node) m).getFunction().getName());
 				} else {
-					m.setConnection(resources.getRandomInt(resources.getInt("arity")), chromosome.getRandomConnection(((Node) m).getColumn()));
+					int connection = resources.getRandomInt(resources.getInt("arity"));
+					if (report.get()) resources.report("changed connection " + connection + " from " + ((Node) m).getConnection(connection) + " ");
+					
+					m.setConnection(connection, chromosome.getRandomConnection(((Node) m).getColumn()));
+					
+					if (report.get()) resources.reportln("to " + ((Node) m).getConnection(connection));
 				}
 			}
 		}
@@ -53,7 +75,7 @@ public class PointMutator implements Mutator {
 
 	@Override
 	public Parameter[] getLocalParameters() {
-		return new Parameter[] {mutationRate};
+		return new Parameter[] {mutationRate, report};
 	}
 
 	@Override
-- 
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