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//
//---------------------------------------------------------------------------
//
// ClassName:  G4QGSBuilder
//
// Author: 28 June 2009 V.Ivanchenko
//
// Modified:
//
//----------------------------------------------------------------------------
//
#ifndef G4QGSBuilder_h
#define G4QGSBuilder_h 1

#include "globals.hh"
#include "G4VHadronModelBuilder.hh"
#include "G4QGSModel.hh"
#include "G4QGSParticipants.hh"

class G4ExcitedStringDecay;
class G4QuasiElasticChannel;
class G4PreCompoundModel;
class G4QGSMFragmentation;

class G4QGSBuilder : public G4VHadronModelBuilder
{
public: 

  G4QGSBuilder(const G4String& name ="",
	       G4PreCompoundModel* p = 0,
	       G4bool quasiElastic=true);

  virtual ~G4QGSBuilder();

protected:

  virtual G4HadronicInteraction* BuildModel();

private:

  // copy constructor and hide assignment operator
  G4QGSBuilder(G4QGSBuilder &);
  G4QGSBuilder & operator=(const G4QGSBuilder &right);

  G4QGSModel< G4QGSParticipants > * theQGStringModel;

  G4ExcitedStringDecay*     theQGStringDecay;
  G4QuasiElasticChannel*    theQuasiElastic;

  G4PreCompoundModel* thePreCompound;
  G4QGSMFragmentation* theQGSM;

  G4bool quasielFlag;

};

#endif

