gpsys.lawnmower
Class Frog

java.lang.Object
  |
  +--gpsys.Primitive
        |
        +--gpsys.Function
              |
              +--gpsys.lawnmower.Frog

public class Frog

extends Function

	Vector2Mod8 Frog(Vector2Mod8 displacement)
 

The Frog Function allows the lawn mower to leap frog by specified X and Y displacements on the lawn. It takes a single Vector2Mod8 argument which represents the displacement and returns the same argument.

Version:

$Revision: 1.1 $, $Date: 2000/07/05 16:26:49 $

Author:

Adil Qureshi

Department of Computer Science,

University College London,

Gower St,

London WC1E 6BT,

UK.

See Also:

Type, Primitive, Terminal, Serialized Form

Field Summary

(package private) Mower

mower

Fields inherited from class gpsys.Function

argTypes

Fields inherited from class gpsys.Primitive

type

Constructor Summary

Frog(Mower mower)
Create a Frog object that controls the specified lawn mower.

Method Summary

java.lang.Object	evaluateObject(Individual i, Gene[] arguments) Evaluates this Function, causing the mower to leap frog by the specified displacement.
Primitive	instance() Creates a new instance of this Object.
java.lang.String	toString() Returns a String representation of this Function.

Methods inherited from class gpsys.Function

evaluateBoolean, evaluateByte, evaluateChar, evaluateDouble, evaluateFloat, evaluateInt, evaluateLong, evaluateShort

Methods inherited from class java.lang.Object

, clone, equals, finalize, getClass, hashCode, notify, notifyAll, registerNatives, wait, wait, wait

Field Detail

mower

Mower mower

Constructor Detail

Frog

public Frog(Mower mower)

Create a Frog object that controls the specified lawn mower.

Parameters:

mower - The Mower to move.

Method Detail

evaluateObject

public final java.lang.Object evaluateObject(Individual i,
                                             Gene[] arguments)
                                      throws EvaluationException

Evaluates this Function, causing the mower to leap frog by the specified displacement.

Parameters:

i - The individual being evaluated.

arguments - The Gene tree representing the displacement.

Returns:

An Object (actually a Vector2Mod8) representing the displacement.

Throws:

EvaluationException - If there is an evaluation failure.

Overrides:

evaluateObject in class Function

instance

public final Primitive instance()

Creates a new instance of this Object.

Returns:

A reference to this same Object since none of the instance variables are to be changed.

Overrides:

instance in class Primitive

toString

public java.lang.String toString()

Returns a String representation of this Function.

Returns:

A String containing the name of the Function.

Overrides:

toString in class Primitive