#ifndef __GA_CHROMOSOME_OPERATIONS_H__
#define __GA_CHROMOSOME_OPERATIONS_H__

#include "..\ExportImport.h"
#include "..\CallConvention.h"
#include "..\Common\GaCatalogue.h"
#include "..\Common\GaOperation.h"
#include "GaChromosome.h"

using namespace Common;
using namespace Chromosome;

namespace Chromosome
{
	// Interface for dynamically changable crossover operations.
	class GaCrossoverOperation : public GaOperation
	{

	public:

		// Performs crossover operation and make new child from two given parents.
		DLL_EXPORT
		GaChromosomePtr GACALL operator ()(GaChromosomePtr parent1,
									GaChromosomePtr parent2) const;

		// Performs crossover operation and make new child from two given parents.
		virtual GaChromosomePtr GACALL operator ()(const GaChromosome* parent1,
									  const GaChromosome* parent2) const=0;

	};// END CLASS DEFINITION GaCrossoverOperation

	// Catalogue of crossover operations
	typedef GaCatalogue<GaCrossoverOperation> GaCrossoverCatalogue;

	// Interface for dynamically changable mutation operations.
	class GaMutationOperation : public GaOperation
	{

	public:

		// Performs mutation operation on given chromosome.
		DLL_EXPORT
		void GACALL operator ()(GaChromosomePtr chromosome) const;

		// Performs mutation operation on given chromosome.
		virtual void GACALL operator ()(GaChromosome* chromosome) const=0;

	};// END CLASS DEFINITION GaMutationOperation

	// Catalogue of mutation operations
	typedef GaCatalogue<GaMutationOperation> GaMutationCatalogue;

	// Interface for dynamically changable fitness value calculation operations.
	class GaFitnessOperation : public GaOperation
	{

	public:

		// Calculates fitness value of the given chromosome.
		DLL_EXPORT
		float GACALL operator ()(GaChromosomePtr chromosome) const;

		// Calculates fitness value of the given chromosome.
		virtual float GACALL operator ()(const GaChromosome* chromosome) const=0;

	};// END CLASS DEFINITION GaFitnessOperation

	// Compares two fitness values
	class GaFitnessComparator : public GaOperation
	{

	public:

		// Compares two fitness values and returns:
		//  a, -1 if the first fitness value lower then the second
		//  b.  0 if the fitness values are equal
		//  c.  1 if the first fitness value is greater then the second
		virtual int GACALL operator ()(float fitness1,
					  float fitness2) const=0;

		// Allocates memory and makes instance of parameters.
		// Caller is responsible for allocated memory.
		DLL_EXPORT
		virtual GaParameters* GACALL MakeParameters() const;

		// Check passed parameters. Returns TRUE if everything correct.
		DLL_EXPORT
		virtual bool GACALL CheckParameters(const GaParameters& parameters) const;

	};// END CLASS DEFINITION GaFitnessComparator

	// Catalogue of fitness comparators
	typedef GaCatalogue<GaFitnessComparator> GaFitnessComparatorCatalogue;

} // Chromosome

#endif // __GA_CHROMOSOME_OPERATIONS_H__