genetiK::SelectionMethod Class Reference
[Common GenetiK framework]

Inheritance diagram for genetiK::SelectionMethod:

[legend]Collaboration diagram for genetiK::SelectionMethod:


Public Member Functions
	SelectionMethod (void)
	default constructor
virtual	~SelectionMethod (void)
	default destructor
virtual void	init (Population *population)
	initializes the SelectionMethod with a specific Population
virtual Individual *	select ()=0
	selects an Individual from the current Population
virtual Individual *	getBest ()=0
	retrieves the Individual having highest fitness in the Population

Detailed Description

selects an Individual from a Population

This abstract class encapsulates a policy to select individuals from a population. It should be extended to implement specific selection methods.

See also:: Individual::fitness(), RankingSelection, RouletteWheel and TournamentSelection

virtual Individual* genetiK::SelectionMethod::getBest ( ) [pure virtual]

retrieves the Individual having highest fitness in the Population

Returns:
the best Individual

See also:
Individual::fitness()

Implemented in genetiK::RankingSelection, genetiK::RouletteWheel, and genetiK::TournamentSelection.

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

initializes the SelectionMethod with a specific Population

Parameters:

population the Population to select the Individuals from

Reimplemented in genetiK::RankingSelection, genetiK::RouletteWheel, and genetiK::TournamentSelection.

virtual Individual* genetiK::SelectionMethod::select ( ) [pure virtual]

selects an Individual from the current Population
Subclasses override this method to implement a specific selection policy
Exceptions:

IllegalStateException if the Population has not been previously initialized with init(Population* population)

Returns:
the selected Individual

See also:
init(Population* population), IllegalStateException

Implemented in genetiK::RankingSelection, genetiK::RouletteWheel, and genetiK::TournamentSelection.

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

Generated on Thu Feb 23 12:22:07 2006 for GenetiK by

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