1 files changed, 30 insertions, 6 deletions
diff --git a/src/jcgp/backend/population/Input.java b/src/jcgp/backend/population/Input.java
index 2661f8c..97fe82b 100644
--- a/src/jcgp/backend/population/Input.java
+++ b/src/jcgp/backend/population/Input.java
@@ -1,27 +1,51 @@
 package jcgp.backend.population;
 
-public class Input extends Gene implements Connection {
+/**
+ * This is a chromosome input. Inputs are a special
+ * type of connection which simply return a set value.
+ * They do not have connections and instead provide a
+ * starting point for the chromosome's active paths.
+ * 
+ * @author Eduardo Pedroni
+ *
+ */
+public class Input implements Connection {
 	
-	private Object value = 0;
+	private Object value;
 	private int index;
 	
+	/**
+	 * Initialises a new input with the current index.
+	 * 
+	 * @param index the index of the new input.
+	 */
 	public Input(int index) {
 		this.index = index;
 	}
 	
+	/**
+	 * Sets this input's value. The new value
+	 * will now be returned by this input's
+	 * {@code getValue()} method.
+	 * 
+	 * @param newValue the value to set.
+	 */
 	public void setValue(Object newValue) {
 		value = newValue;
 	}
 
+	/**
+	 * @return the input's index.
+	 */
+	public int getIndex() {
+		return index;
+	}
+	
 	@Override
 	public Object getValue() {
 		return value;
 	}
 
-	public int getIndex() {
-		return index;
-	}
-
 	@Override
 	public String toString() {
 		return "Input " + index;