Class ListPopulation

Method Details

• setChromosomes

  @Deprecated public void setChromosomes(List<Chromosome> chromosomes) throws NullArgumentException, NumberIsTooLargeException

  Deprecated.

  use addChromosomes(Collection) instead

  Sets the list of chromosomes.

  Note: this method removes all existing chromosomes in the population and adds all chromosomes of the specified list to the population.

  Parameters:

  chromosomes - the list of chromosomes

  Throws:

  NullArgumentException - if the list of chromosomes is null

  NumberIsTooLargeException - if the list of chromosomes exceeds the population limit

• addChromosomes

  public void addChromosomes(Collection<Chromosome> chromosomeColl) throws NumberIsTooLargeException

  Add a Collection of chromosomes to this Population.

  Parameters:

  chromosomeColl - a Collection of chromosomes

  Throws:

  NumberIsTooLargeException - if the population would exceed the population limit when adding this chromosome

  Since:

  3.1

• getChromosomes

  public List<Chromosome> getChromosomes()

  Returns an unmodifiable list of the chromosomes in this population.

  Returns:

  the unmodifiable list of chromosomes

• getChromosomeList

  protected List<Chromosome> getChromosomeList()

  Access the list of chromosomes.

  Returns:

  the list of chromosomes

  Since:

  3.1

• addChromosome

  public void addChromosome(Chromosome chromosome) throws NumberIsTooLargeException

  Add the given chromosome to the population.

  Specified by:

  addChromosome in interface Population

  Parameters:

  chromosome - the chromosome to add.

  Throws:

  NumberIsTooLargeException - if the population would exceed the populationLimit after adding this chromosome

• getFittestChromosome

  public Chromosome getFittestChromosome()

  Access the fittest chromosome in this population.

  Specified by:

  getFittestChromosome in interface Population

  Returns:

  the fittest chromosome.

• getPopulationLimit

  public int getPopulationLimit()

  Access the maximum population size.

  Specified by:

  getPopulationLimit in interface Population

  Returns:

  the maximum population size.

• setPopulationLimit

  public void setPopulationLimit(int populationLimit) throws NotPositiveException, NumberIsTooSmallException

  Sets the maximal population size.

  Parameters:

  populationLimit - maximal population size.

  Throws:

  NotPositiveException - if the population limit is not a positive number (< 1)

  NumberIsTooSmallException - if the new population size is smaller than the current number of chromosomes in the population

• getPopulationSize

  public int getPopulationSize()

  Access the current population size.

  Specified by:

  getPopulationSize in interface Population

  Returns:

  the current population size.

• toString

  public String toString()

  Overrides:

  toString in class Object

• iterator

  public Iterator<Chromosome> iterator()

  Returns an iterator over the unmodifiable list of chromosomes.

  Any call to Iterator.remove() will result in a UnsupportedOperationException.

  Specified by:

  iterator in interface Iterable<Chromosome>

  Returns:

  chromosome iterator