genetiK::TournamentSelection Class Reference
[Common GenetiK framework]

selects an Individual from a Population using Tournament policy More...

#include <TournamentSelection.h>

Inheritance diagram for genetiK::TournamentSelection:

[legend]Collaboration diagram for genetiK::TournamentSelection:

[legend]List of all members.

Public Member Functions
	TournamentSelection (unsigned int size)
	sets size as the Tournament size
virtual	~TournamentSelection (void)
	default destructor
void	init (Population *population)
	initializes the RouletteWheel selection method with a specific Population
Individual *	select ()
	selects an Individual from the current Population
Individual *	getBest ()
	retrieves the Individual having highest fitness in the Population

---

Detailed Description

selects an Individual from a Population using Tournament policy

This class encapsulates the "Tournament" policy to select individuals from a population.

Tournament selection chooses size individuals from the population, with uniform probability, and then selects the best among them.

See also:

Individual::fitness(), SelectionMethod, RankingSelection and TournamentSelection

---

Constructor & Destructor Documentation

genetiK::TournamentSelection::TournamentSelection (  unsigned int  size  )

sets size as the Tournament size Parameters: size  desired Tournament size

---

Member Function Documentation

Individual * genetiK::TournamentSelection::getBest (   )  [virtual]

retrieves the Individual having highest fitness in the Population Returns: the best Individual See also: Individual::fitness() Implements genetiK::SelectionMethod.

void genetiK::TournamentSelection::init (  Population *  population  )  [inline, virtual]

initializes the RouletteWheel selection method with a specific Population Parameters: population  the Population to select the Individuals from Reimplemented from genetiK::SelectionMethod.

Individual * genetiK::TournamentSelection::select (   )  [virtual]

selects an Individual from the current Population Chooses size individuals from the Populations and selects the best among them. Returns: the selected Individual Exceptions: IllegalStateException  if the Population has not been previously initialized with init(Population* population) See also: init(Population* population), IllegalStateException Implements genetiK::SelectionMethod.

---

The documentation for this class was generated from the following files:

• devel/genetik/src/TournamentSelection.h
• devel/genetik/src/TournamentSelection.cpp

---