7 files changed, 201 insertions, 0 deletions
diff --git a/src/jcgp/population/Chromosome.java b/src/jcgp/population/Chromosome.java
new file mode 100644
index 0000000..2e22cf9
--- /dev/null
+++ b/src/jcgp/population/Chromosome.java
@@ -0,0 +1,89 @@
+package jcgp.population;
+
+import java.util.ArrayList;
+
+public class Chromosome {
+
+	private ArrayList<Input> inputs;
+	private ArrayList<ArrayList<Node>> nodes;
+	private ArrayList<Output> outputs;
+	
+	private int fitness = 0;
+	
+	/**
+	 * Good citizen.
+	 * @param outputs 
+	 * @param columns 
+	 * @param rows 
+	 * @param inputs 
+	 * 
+	 */
+	public Chromosome(int inputCount, int rows, int columns, int outputCount) {
+		
+		inputs = new ArrayList<Input>(inputCount);
+		for (int i = 0; i < inputCount; i++) {
+			inputs.add(new Input());
+		}
+		
+		// rows first
+		nodes = new ArrayList<ArrayList<Node>>(rows);
+		for (int r = 0; r < rows; r++) {
+			nodes.add(new ArrayList<Node>(columns));
+			for (int c = 0; c < columns; c++) {
+				nodes.get(r).add(new Node());
+			}
+		}
+		
+		outputs = new ArrayList<Output>(outputCount);
+		for (int o = 0; o < outputCount; o++) {
+			outputs.add(new Output());
+		}
+	
+	}
+	
+	public int getActiveNodeCount() {
+		return 0;
+	}
+
+	/**
+	 * @return the inputs
+	 */
+	public final ArrayList<Input> getInputs() {
+		return inputs;
+	}
+
+	/**
+	 * @return the nodes
+	 */
+	public final ArrayList<ArrayList<Node>> getNodes() {
+		return nodes;
+	}
+
+	/**
+	 * @return the outputs
+	 */
+	public final ArrayList<Output> getOutputs() {
+		return outputs;
+	}
+	
+	public final Node getNode(int row, int column) {
+		return nodes.get(row).get(column);
+	}
+	
+	public final Output getOutput(int index) {
+		return outputs.get(index);
+	}
+	
+	public final Input getInputs(int index) {
+		return inputs.get(index);
+	}
+	
+	public int getFitness() {
+		return fitness;
+	}
+	
+	public void setFitness(int newFitness) {
+		fitness = newFitness;
+	}
+	
+}
diff --git a/src/jcgp/population/Connection.java b/src/jcgp/population/Connection.java
new file mode 100644
index 0000000..fa02a22
--- /dev/null
+++ b/src/jcgp/population/Connection.java
@@ -0,0 +1,6 @@
+package jcgp.population;
+
+public interface Connection {
+
+	public abstract int evaluate();
+}
diff --git a/src/jcgp/population/Input.java b/src/jcgp/population/Input.java
new file mode 100644
index 0000000..b9c127f
--- /dev/null
+++ b/src/jcgp/population/Input.java
@@ -0,0 +1,16 @@
+package jcgp.population;
+
+public class Input implements Connection {
+	
+	private int value = 0;
+	
+	public void setValue(int newValue) {
+		value = newValue;
+	}
+
+	@Override
+	public int evaluate() {
+		return value;
+	}
+
+}
diff --git a/src/jcgp/population/MutableElement.java b/src/jcgp/population/MutableElement.java
new file mode 100644
index 0000000..4397e46
--- /dev/null
+++ b/src/jcgp/population/MutableElement.java
@@ -0,0 +1,5 @@
+package jcgp.population;
+
+public interface MutableElement {
+	
+}
diff --git a/src/jcgp/population/Node.java b/src/jcgp/population/Node.java
new file mode 100644
index 0000000..cce8dfd
--- /dev/null
+++ b/src/jcgp/population/Node.java
@@ -0,0 +1,28 @@
+package jcgp.population;
+
+import jcgp.function.Function;
+
+
+public class Node implements MutableElement, Connection {
+	
+	private Function function;
+	private Connection[] connections;
+
+	public Node() {
+		
+	}
+	
+	@Override
+	public int evaluate() {
+		return function.run(connections[0], connections[1]);
+	}
+	
+	public void setFunction(Function newFunction) {
+		function = newFunction;
+	}
+	
+	public void setConnection(Connection newConnection) {
+		
+	}
+
+}
diff --git a/src/jcgp/population/Output.java b/src/jcgp/population/Output.java
new file mode 100644
index 0000000..2f2df6e
--- /dev/null
+++ b/src/jcgp/population/Output.java
@@ -0,0 +1,11 @@
+package jcgp.population;
+
+
+public class Output implements MutableElement {
+
+	public int calculate() {
+		// TODO Auto-generated method stub
+		return 0;
+	}
+
+}
diff --git a/src/jcgp/population/Population.java b/src/jcgp/population/Population.java
new file mode 100644
index 0000000..e1a9a3c
--- /dev/null
+++ b/src/jcgp/population/Population.java
@@ -0,0 +1,46 @@
+package jcgp.population;
+
+import java.util.ArrayList;
+import java.util.Iterator;
+
+public final class Population implements Iterable<Chromosome> {
+	
+	private ArrayList<Chromosome> population;
+	
+	public Population(int inputs, int rows, int columns, int outputs, int size) {
+		population = new ArrayList<Chromosome>(size);
+		for (int c = 0; c < size; c++) {
+			population.add(new Chromosome(inputs, rows, columns, outputs));
+		}
+	}
+
+	@Override
+	public Iterator<Chromosome> iterator() {
+		return new Iterator<Chromosome>() {
+			
+			private int index = 0;
+
+			@Override
+			public boolean hasNext() {
+				if (index < population.size()) {
+					return true;
+				} else {
+					return false;
+				}
+			}
+
+			@Override
+			public Chromosome next() {
+				Chromosome next = population.get(index);
+				index++;
+				return next;
+			}
+
+			@Override
+			public void remove() {
+				// not allowed				
+			}
+			
+		};
+	}
+}