#ifndef __GA_STOP_CRITERIA_H__
#define __GA_STOP_CRITERIA_H__

#include "..\CallConvention.h"
#include "..\Common\GaParameters.h"
#include "..\Common\GaOperation.h"

using namespace Common;

namespace Algorithm
{
	class GaAlgorithm;

	// Base abstract class of all parameters for stop criteria method.
	class GaStopCriteriaParams : public GaParameters { }; // END CLASS DEFINITION GaStopCriteriaParams

	// Interface for method which examins the state of an algorithm to see if stopping condition is reached.
	class GaStopCriteria : public GaOperation
	{

	public:

		// Compares the state of the algorithm against given stopping condition and given paremeters,
		// and returns TRUE if that condition is reached.
		virtual bool GACALL Evaluate(const GaAlgorithm& algorithm,
						const GaStopCriteriaParams& parameters) const=0;

	};// END CLASS DEFINITION GaStopCriteria

	// Stop criteria and its parameters
	typedef GaOperationParametersPair<GaStopCriteria, GaStopCriteriaParams> GaStopCriteriaPair;

	// Catalogue of stop criterias for genetic algorithms
	typedef GaCatalogue<GaStopCriteria> GaStopCriteriaCatalogue;

} // Algorithm

#endif // __GA_STOP_CRITERIA_H__