1 files changed, 22 insertions, 7 deletions
diff --git a/src/jcgp/backend/function/Function.java b/src/jcgp/backend/function/Function.java
index 30bbcf0..fdacac0 100644
--- a/src/jcgp/backend/function/Function.java
+++ b/src/jcgp/backend/function/Function.java
@@ -1,13 +1,28 @@
 package jcgp.backend.function;
 
-import jcgp.backend.exceptions.InvalidArgumentsException;
-import jcgp.backend.population.Connection;
-
+/**
+ * Function is a callback wrapper. 
+ * <br><br>
+ * A concrete implementation of Function overrides {@code run()} to perform
+ * any arbitrary operation on the arguments specified. It must also override
+ * {@code getArity()} to return the function arity.
+ * 
+ * 
+ * @author Eduardo Pedroni
+ *
+ */
 public abstract class Function {
-			
-	public abstract Object run(Connection ... connections) throws InvalidArgumentsException;
 	
-	public abstract int getArity();
+	/**
+	 * Executes the function.
+	 * 
+	 * @param args the function arguments
+	 * @return the function result
+	 */
+	public abstract Object run(Object... args);
 	
-	public abstract String getName();	
+	/**
+	 * @return the arity of the function.
+	 */
+	public abstract int getArity();
 }