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#ifndef G4VPreCompoundModel_h
#define G4VPreCompoundModel_h 1

// -----------------------------------------------------------------------------
//      GEANT 4 class header file
//
//      History: first implementation 1998
//
//      V.Ivanchenko 03.01.2012
//          Added G4ExcitationHandler pointer to the constructor and cleanup
// -----------------------------------------------------------------------------

// Class Description
// Base class for pre-equilibrium decay models in geant4. By merit of 
// inheriting from this class a pre-equilibrium decay model can be used 
// in conjunction with any cascade, string parton model or other high 
// energy generator in the generation of final states for inelastic scattering.
// Class Description - End

#include "G4HadronicInteraction.hh"
#include "G4ReactionProductVector.hh"
#include "G4ReactionProduct.hh"

class G4HadProjectile;
class G4HadFinalState;
class G4Nucleus;
class G4Fragment;
class G4ExcitationHandler;

class G4VPreCompoundModel : public G4HadronicInteraction
{
public:

  explicit G4VPreCompoundModel(G4ExcitationHandler* ptr = nullptr, 
			       const G4String& modelName = "PrecompoundModel");

  virtual ~G4VPreCompoundModel();
  
public:

  virtual G4ReactionProductVector* DeExcite(G4Fragment& aFragment) = 0;

  virtual void DeExciteModelDescription(std::ostream& outFile) const = 0;

  inline void SetExcitationHandler(G4ExcitationHandler* ptr);
    
  inline G4ExcitationHandler* GetExcitationHandler() const;
  
private:

  G4VPreCompoundModel(const G4VPreCompoundModel &) = delete;
  const G4VPreCompoundModel& operator=(const G4VPreCompoundModel &right) = delete;
  G4bool operator==(const G4VPreCompoundModel &right) const = delete;
  G4bool operator!=(const G4VPreCompoundModel &right) const = delete;

  G4ExcitationHandler* theExcitationHandler;
};

inline void G4VPreCompoundModel::SetExcitationHandler(G4ExcitationHandler* ptr)
{
  theExcitationHandler = ptr;
}

inline G4ExcitationHandler* G4VPreCompoundModel::GetExcitationHandler() const
{
  return theExcitationHandler;
}

#endif
