Operator.Operations
Class RandomInitialiser

java.lang.Object
  Operator.Operations.RandomInitialiser

All Implemented Interfaces:

CreationOperation, Operation, ParameterI, Stochastic

public class RandomInitialiser
extends java.lang.Object
implements CreationOperation, Stochastic

Create an Individual with a randomly generated chromosome

Author:

erikhemberg

Field Summary

protected GEGrammar	grammar
protected int	initChromSize
protected RandomNumberGenerator	rng

Constructor Summary

RandomInitialiser(RandomNumberGenerator rng, GEGrammar g, int initChromSize)
New instance

RandomInitialiser(RandomNumberGenerator rng, GEGrammar g, java.util.Properties p)
New instance

Method Summary

Individual	createIndividual() Creates an Individual
void	doOperation(Individual operand) Set an integer chromsome of initChromSize filled with random integers in the incoming individual.
void	doOperation(java.util.List<Individual> operands) Calls doOperation(Individual operand)
RandomNumberGenerator	getRNG() Get the number generator
void	setProperties(java.util.Properties p) Set properties
void	setRNG(RandomNumberGenerator rng) Set the number generator

Methods inherited from class java.lang.Object

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

Field Detail

rng

protected RandomNumberGenerator rng

grammar

protected GEGrammar grammar

initChromSize

protected int initChromSize

Constructor Detail

RandomInitialiser

public RandomInitialiser(RandomNumberGenerator rng,
                         GEGrammar g,
                         int initChromSize)

New instance

Parameters:

rng - random number generator

g - grammatical evolution grammar

initChromSize - initial input size (Chromosome length)

RandomInitialiser

public RandomInitialiser(RandomNumberGenerator rng,
                         GEGrammar g,
                         java.util.Properties p)

New instance

Parameters:

rng - random number generator

g - grammatical evolution grammar

p - properties

Method Detail

setProperties

public void setProperties(java.util.Properties p)

Description copied from interface: ParameterI

Set properties

Specified by:

setProperties in interface ParameterI

Parameters:

p - object containing properties

getRNG

public RandomNumberGenerator getRNG()

Description copied from interface: Stochastic

Get the number generator

Specified by:

getRNG in interface Stochastic

Returns:

number generator

setRNG

public void setRNG(RandomNumberGenerator rng)

Description copied from interface: Stochastic

Set the number generator

Specified by:

setRNG in interface Stochastic

Parameters:

rng - number generator

createIndividual

public Individual createIndividual()

Creates an Individual

Specified by:

createIndividual in interface CreationOperation

Returns:

A new individual

doOperation

public void doOperation(Individual operand)

Set an integer chromsome of initChromSize filled with random integers in the incoming individual.

Specified by:

doOperation in interface Operation

Parameters:

operand - Individual to get the new chromosome

doOperation

public void doOperation(java.util.List<Individual> operands)

Calls doOperation(Individual operand)

Specified by:

doOperation in interface Operation

Parameters:

operands - list of individuals