examples.gp.paintedDesert
Class IfDrop

java.lang.Object
  org.jgap.gp.CommandGene
      examples.gp.paintedDesert.AntCommand
          examples.gp.paintedDesert.IfDrop

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable

public class IfDrop
extends AntCommand

A two argument if-then function. If the ant is carrying sand and the current location does not contain sand, the sand is dropped and the first argument is returned. Otherwise the second argument is returned. Mimics the Lisp function from Koza.

Since:

3.2

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.jgap.gp.CommandGene

CommandGene.COMMAND_TYPE

Field Summary

Fields inherited from class org.jgap.gp.CommandGene

BooleanClass, CharacterClass, DELTA, DoubleClass, FloatClass, IntegerClass, LongClass, nodeIndex, VoidClass

Constructor Summary

IfDrop(GPConfiguration a_conf, java.lang.Class a_type)
Constructor for the If Drop function

Method Summary

void	execute_void(ProgramChromosome c, int n, java.lang.Object[] args) Executes the IfDrop function for integer arguments
java.lang.Class	getChildType(IGPProgram a_ind, int a_chromNum) Determines which type a specific child of this command has.
java.lang.String	getName()
java.lang.String	toString() Returns the program listing name

Methods inherited from class examples.gp.paintedDesert.AntCommand

getMap

Methods inherited from class org.jgap.gp.CommandGene

check, check, cleanup, compareTo, dynamizeArity, ensureUniqueness, ensureUniqueness, ensureUniqueness2, equals, execute_boolean, execute_double, execute_float, execute_int, execute_long, execute_object, execute, getAllele, getApplicationData, getArity, getArityMax, getArityMin, getCommandType, getEnergy, getGPConfiguration, getInternalValue, getPersistentRepresentation, getPersistentRepresentationExt, getReturnType, getSubChildType, getSubChildTypes, getSubReturnType, hashCode, init, isAffectGlobalState, isCompareApplicationData, isFloatType, isIntegerType, isValid, isValid, setAllele, setApplicationData, setArity, setArityMax, setArityMin, setCompareApplicationData, setEnergy, setNoValidation, setReturnType, setToRandomValue, setValueFromPersistentRepresentation, setValueFromString, size

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

IfDrop

public IfDrop(GPConfiguration a_conf,
              java.lang.Class a_type)
       throws InvalidConfigurationException

Constructor for the If Drop function

Parameters:

a_conf - configuration to use

a_type -

Throws:

InvalidConfigurationException

Method Detail

toString

public java.lang.String toString()

Returns the program listing name

Specified by:

toString in class CommandGene

Returns:

the string representation of the command. Especially usefull to output a resulting formula in human-readable form.

getName

public java.lang.String getName()

Overrides:

getName in class CommandGene

Returns:

textual name of this command

execute_void

public void execute_void(ProgramChromosome c,
                         int n,
                         java.lang.Object[] args)

Executes the IfDrop function for integer arguments

Overrides:

execute_void in class CommandGene

Parameters:

c - ignored here

n - ignored here

args - ignored here

getChildType

public java.lang.Class getChildType(IGPProgram a_ind,
                                    int a_chromNum)

Determines which type a specific child of this command has.

Overrides:

getChildType in class CommandGene

Parameters:

a_ind - ignored here

a_chromNum - index of child

Returns:

type of the a_chromNum'th child