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// $Id$
// GEANT4 tag $Name:  $
//

#ifndef G4DiffractiveSplitableHadron_h
#define G4DiffractiveSplitableHadron_h 1

// ------------------------------------------------------------
//      GEANT 4 class header file
//
//      ---------------- G4DiffractiveSplitableHadron----------------
//             by Gunter Folger, August 1998.
//       class splitting an interacting particle. Used by FTF String Model.
// ------------------------------------------------------------

#include "G4VSplitableHadron.hh"
#include "G4Nucleon.hh"
#include "G4Parton.hh"

class G4DiffractiveSplitableHadron : public G4VSplitableHadron
{

public:

	G4DiffractiveSplitableHadron();
	G4DiffractiveSplitableHadron(const G4ReactionProduct & aPrimary);
	G4DiffractiveSplitableHadron(const G4Nucleon & aNucleon);
	G4DiffractiveSplitableHadron(const G4VKineticNucleon * aNucleon);
	~G4DiffractiveSplitableHadron();

private:
   G4DiffractiveSplitableHadron(const G4DiffractiveSplitableHadron &);
   G4DiffractiveSplitableHadron& operator=(const G4DiffractiveSplitableHadron &);
	int operator==(const G4DiffractiveSplitableHadron &right) const;
	int operator!=(const G4DiffractiveSplitableHadron &right) const;

public:
	void SplitUp();
	G4Parton * GetNextParton() ;
	G4Parton * GetNextAntiParton();

        void SetFirstParton(G4int PDGcode);  // Uzhi 24.11.10
        void SetSecondParton(G4int PDGcode); // Uzhi 24.11.10

private:

//implementation
	G4int Diquark(G4int aquark,G4int bquark,G4int Spin) const; // to splitable hadron
	void ChooseStringEnds(G4int PDGcode,G4int * aEnd, G4int * bEnd) const; // to splitable hadron

private:
	G4Parton *Parton[2];
	G4int    PartonIndex; 

};

#endif