ec.app.lawnmower
Class Lawnmower

java.lang.Object
  extended by ec.Problem
      extended by ec.gp.GPProblem
          extended by ec.app.lawnmower.Lawnmower
All Implemented Interfaces:
Prototype, Setup, SimpleProblemForm, java.io.Serializable, java.lang.Cloneable

public class Lawnmower
extends GPProblem
implements SimpleProblemForm

Lawnmower implements the Koza-II Lawnmower problem.

Parameters

base.data
classname, inherits or == ec.app.lawnmower.LawnmowerData
(the class for the prototypical GPData object for the Lawnmower problem)
base.file
String
(filename of the .trl file for the Lawnmower problem)
base.turns
int >= 1
(maximal number of moves the lawnmower may make)

Parameter bases

base.data species (the GPData object)

Version:
1.0
Author:
Sean Luke
See Also:
Serialized Form

Field Summary
 LawnmowerData input
           
 int[][] map
           
 int maxx
           
 int maxy
           
 int moves
           
static int O_DOWN
           
static int O_LEFT
           
static int O_RIGHT
           
static int O_UP
           
 int orientation
           
static java.lang.String P_X
           
static java.lang.String P_Y
           
 int pmod
           
 int posx
           
 int posy
           
 int sum
           
static int UNMOWED
           
 
Fields inherited from class ec.gp.GPProblem
data, P_DATA, P_GPPROBLEM, P_STACK, stack
 
Fields inherited from class ec.Problem
P_PROBLEM
 
Constructor Summary
Lawnmower()
           
 
Method Summary
 java.lang.Object clone()
          Creates a new individual cloned from a prototype, and suitable to begin use in its own evolutionary context.
 void describe(Individual ind, EvolutionState state, int threadnum, int log, int verbosity)
           
 void evaluate(EvolutionState state, Individual ind, int subpopulation, int threadnum)
          Evaluates the individual in ind, if necessary (perhaps not evaluating them if their evaluated flags are true), and sets their fitness appropriately.
 void setup(EvolutionState state, Parameter base)
          Sets up the object by reading it from the parameters stored in state, built off of the parameter base base.
 
Methods inherited from class ec.gp.GPProblem
defaultBase, describe
 
Methods inherited from class ec.Problem
canEvaluate, closeContacts, evaluate, finishEvaluating, getBase, initializeContacts, prepareToEvaluate, reinitializeContacts, setBase
 
Methods inherited from class java.lang.Object
equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface ec.simple.SimpleProblemForm
canEvaluate, describe, evaluate
 

Field Detail

P_X

public static final java.lang.String P_X
See Also:
Constant Field Values

P_Y

public static final java.lang.String P_Y
See Also:
Constant Field Values

UNMOWED

public static final int UNMOWED
See Also:
Constant Field Values

O_UP

public static final int O_UP
See Also:
Constant Field Values

O_LEFT

public static final int O_LEFT
See Also:
Constant Field Values

O_DOWN

public static final int O_DOWN
See Also:
Constant Field Values

O_RIGHT

public static final int O_RIGHT
See Also:
Constant Field Values

input

public LawnmowerData input

map

public int[][] map

maxx

public int maxx

maxy

public int maxy

posx

public int posx

posy

public int posy

sum

public int sum

orientation

public int orientation

moves

public int moves

pmod

public int pmod
Constructor Detail

Lawnmower

public Lawnmower()
Method Detail

clone

public java.lang.Object clone()
Description copied from interface: Prototype
Creates a new individual cloned from a prototype, and suitable to begin use in its own evolutionary context.

Typically this should be a full "deep" clone. However, you may share certain elements with other objects rather than clone hem, depending on the situation:

Implementations.

Specified by:
clone in interface Prototype
Overrides:
clone in class GPProblem

setup

public void setup(EvolutionState state,
                  Parameter base)
Description copied from interface: Prototype
Sets up the object by reading it from the parameters stored in state, built off of the parameter base base. If an ancestor implements this method, be sure to call super.setup(state,base); before you do anything else.

For prototypes, setup(...) is typically called once for the prototype instance; cloned instances do not receive the setup(...) call. setup(...) may be called more than once; the only guarantee is that it will get called at least once on an instance or some "parent" object from which it was ultimately cloned.

Specified by:
setup in interface Prototype
Specified by:
setup in interface Setup
Overrides:
setup in class GPProblem

evaluate

public void evaluate(EvolutionState state,
                     Individual ind,
                     int subpopulation,
                     int threadnum)
Description copied from interface: SimpleProblemForm
Evaluates the individual in ind, if necessary (perhaps not evaluating them if their evaluated flags are true), and sets their fitness appropriately.

Specified by:
evaluate in interface SimpleProblemForm
Overrides:
evaluate in class Problem

describe

public void describe(Individual ind,
                     EvolutionState state,
                     int threadnum,
                     int log,
                     int verbosity)
Specified by:
describe in interface SimpleProblemForm
Overrides:
describe in class Problem