From e6dd7711c7dad5e000445208eb5845801f4ccffc Mon Sep 17 00:00:00 2001
From: Eduardo Pedroni <ep625@york.ac.uk>
Date: Sun, 6 Apr 2014 21:58:53 +0100
Subject: About to make big changes to the way fitness works, committing just
 in case

---
 .../backend/modules/fitness/FitnessFunction.java   |  2 +-
 src/jcgp/backend/modules/fitness/TestCase.java     | 29 ---------
 .../backend/modules/fitness/TestCaseEvaluator.java | 43 -------------
 .../fitness/testcase/TestCaseEvaluator.java        | 75 ++++++++++++++++++++++
 4 files changed, 76 insertions(+), 73 deletions(-)
 delete mode 100644 src/jcgp/backend/modules/fitness/TestCase.java
 delete mode 100644 src/jcgp/backend/modules/fitness/TestCaseEvaluator.java
 create mode 100644 src/jcgp/backend/modules/fitness/testcase/TestCaseEvaluator.java

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

diff --git a/src/jcgp/backend/modules/fitness/FitnessFunction.java b/src/jcgp/backend/modules/fitness/FitnessFunction.java
index ffce9b7..d3b76cb 100644
--- a/src/jcgp/backend/modules/fitness/FitnessFunction.java
+++ b/src/jcgp/backend/modules/fitness/FitnessFunction.java
@@ -1,8 +1,8 @@
 package jcgp.backend.modules.fitness;
 
-import jcgp.JCGP.Resources;
 import jcgp.backend.modules.Module;
 import jcgp.backend.population.Population;
+import jcgp.backend.resources.Resources;
 
 public interface FitnessFunction extends Module {
 
diff --git a/src/jcgp/backend/modules/fitness/TestCase.java b/src/jcgp/backend/modules/fitness/TestCase.java
deleted file mode 100644
index 23f7ecf..0000000
--- a/src/jcgp/backend/modules/fitness/TestCase.java
+++ /dev/null
@@ -1,29 +0,0 @@
-package jcgp.backend.modules.fitness;
-
-public class TestCase {
-
-	private Object[] inputs;
-	private Object[] outputs;
-	
-	public TestCase(Object[] inputs, Object[] outputs) {
-		this.inputs = inputs;
-		this.outputs = outputs;
-	}
-	
-	public Object getInput(int index) {
-		return inputs[index];
-	}
-	
-	public Object getOutput(int index) {
-		return outputs[index];
-	}
-	
-	public Object[] getInputs() {
-		return inputs;
-	}
-	
-	public Object[] getOutputs() {
-		return outputs;
-	}
-	
-}
diff --git a/src/jcgp/backend/modules/fitness/TestCaseEvaluator.java b/src/jcgp/backend/modules/fitness/TestCaseEvaluator.java
deleted file mode 100644
index 5ff6973..0000000
--- a/src/jcgp/backend/modules/fitness/TestCaseEvaluator.java
+++ /dev/null
@@ -1,43 +0,0 @@
-package jcgp.backend.modules.fitness;
-
-import jcgp.JCGP.Resources;
-import jcgp.backend.modules.ModuleStatus;
-import jcgp.backend.parameters.Parameter;
-import jcgp.backend.population.Population;
-
-public class TestCaseEvaluator implements FitnessFunction {
-	
-	@Override
-	public void evaluate(Population population, Resources resources) {		
-		// for every chromosome in the population
-		for (int i = 0; i < resources.getInt("popSize"); i++) {
-			int fitness = 0;
-			// for every test case
-			for (int t = 0; t < resources.getTestCaseCount(); t++) {
-				population.getChromosome(i).setInputs(resources.getTestCase(t).getInputs());
-				// check every output
-				for (int o = 0; o < resources.getInt("outputs"); o++) {
-					if (population.getChromosome(i).getOutput(o).calculate() == resources.getTestCase(t).getOutput(o)) {
-						fitness++;
-					}
-				}
-			}
-			population.getChromosome(i).setFitness(fitness);
-		}
-	}
-
-	@Override
-	public Parameter[] getLocalParameters() {
-		return null;
-	}
-
-	@Override
-	public String toString() {
-		return "Test case";
-	}
-
-	@Override
-	public ModuleStatus getStatus(Resources resources) {
-		return null;
-	}
-}
diff --git a/src/jcgp/backend/modules/fitness/testcase/TestCaseEvaluator.java b/src/jcgp/backend/modules/fitness/testcase/TestCaseEvaluator.java
new file mode 100644
index 0000000..51676e3
--- /dev/null
+++ b/src/jcgp/backend/modules/fitness/testcase/TestCaseEvaluator.java
@@ -0,0 +1,75 @@
+package jcgp.backend.modules.fitness.testcase;
+
+import java.util.ArrayList;
+
+import jcgp.backend.modules.fitness.FitnessFunction;
+import jcgp.backend.population.Population;
+import jcgp.backend.resources.Resources;
+
+/**
+ * 
+ * This fitness function module implements a simple test case evaluator.
+ * 
+ * A TestCase object is a 
+ * 
+ * 
+ * @author Eduardo Pedroni
+ *
+ */
+public abstract class TestCaseEvaluator implements FitnessFunction {
+	
+	public static class TestCase<T> {
+
+		private T[] inputs;
+		private T[] outputs;
+		
+		public TestCase(T[] inputs, T[] outputs) {
+			this.inputs = inputs;
+			this.outputs = outputs;
+		}
+		
+		public T getInput(int index) {
+			return inputs[index];
+		}
+		
+		public T getOutput(int index) {
+			return outputs[index];
+		}
+		
+		public T[] getInputs() {
+			return inputs;
+		}
+		
+		public T[] getOutputs() {
+			return outputs;
+		}
+	}
+	
+	protected ArrayList<TestCase> testCases;
+	
+	@Override
+	public void evaluate(Population population, Resources resources) {
+		// for every chromosome in the population
+		for (int i = 0; i < resources.getInt("popSize"); i++) {
+			// assume an initial fitness of 0
+			int fitness = 0;
+			// for each test case
+			for (int t = 0; t < testCases.size(); t++) {
+				population.getChromosome(i).setInputs(testCases.get(t).getInputs());
+				// check each output
+				for (int o = 0; o < resources.getInt("outputs"); o++) {
+					if (population.getChromosome(i).getOutput(o).calculate() == testCases.get(t).getOutput(o)) {
+						fitness++;
+					}
+				}
+			}
+			// assign the resulting fitness to the respective individual
+			population.getChromosome(i).setFitness(fitness);
+		}
+	}
+	
+	public int getMaxFitness() {
+		return 0;
+	}
+}
+
-- 
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