lio.population
Class VariablePopulation

java.lang.Object
  lio.population.Population
      lio.population.VariablePopulation

public class VariablePopulation
extends Population

Field Summary

Fields inherited from class lio.population.Population

size

Constructor Summary

VariablePopulation()
Constructor

VariablePopulation(Individual[] individuals)
Constructor Encapsulates an array of individuals into a VariablePopulation.

VariablePopulation(int pNumPositions)
Constructor The parameter pNumPositions is provided for efficiency and must be the maximum size estimated.

Method Summary

void	addElement(Individual individual) Append the specified individual to the end of the population
void	compress() Deletes all empty positions of the population.
Individual	elementAt(int position) Returns a reference to the individual in the given position.
int	getNumPositions()
Individual[]	individuals() Returns an array containing all individuals, but not empty spaces.
void	remove(int position) Removes an element of the population given its position.
void	removeElementAt(int position, boolean keepPosition) Removes an element of the population given its position.
void	setElementAt(int position, Individual individual) Replaces the element at given position.

Methods inherited from class lio.population.Population

copyElementAt, size

Methods inherited from class java.lang.Object

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

Constructor Detail

VariablePopulation

public VariablePopulation()

Constructor

VariablePopulation

public VariablePopulation(int pNumPositions)

Constructor The parameter pNumPositions is provided for efficiency and must be the maximum size estimated.

Parameters:

pNumPositions - Maximum estimated size of the Array containing the individuals.

VariablePopulation

public VariablePopulation(Individual[] individuals)

Constructor Encapsulates an array of individuals into a VariablePopulation.

Parameters:

individuals - Array of individuals that will form the population.

Method Detail

elementAt

public Individual elementAt(int position)

Returns a reference to the individual in the given position.

Specified by:

elementAt in class Population

Parameters:

position - Individual that is referenced.

Returns:

The individual that occupies position position.

removeElementAt

public void removeElementAt(int position,
                            boolean keepPosition)

Removes an element of the population given its position.

Parameters:

position - Position of the element to remove.

keepPosition - Tells whether indexes in the population must be kept

remove

public void remove(int position)

Removes an element of the population given its position.

Parameters:

position - Position of the element to remove.

addElement

public void addElement(Individual individual)

Append the specified individual to the end of the population

Parameters:

individual - new individual to be added

setElementAt

public void setElementAt(int position,
                         Individual individual)

Replaces the element at given position.

Specified by:

setElementAt in class Population

Parameters:

position - Position where the individual will be placed.

individual - Individual to be stored at the population.

individuals

public Individual[] individuals()

Returns an array containing all individuals, but not empty spaces.

Specified by:

individuals in class Population

Returns:

Individuals of the population.

compress

public void compress()

Deletes all empty positions of the population.

getNumPositions

public int getNumPositions()

Returns:

The number of positions available on the population