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/// \file GB04BOptnBremSplitting.hh
/// \brief Definition of the GB04BOptnBremSplitting class

//---------------------------------------------------------------
//
// GB04BOptnBremSplitting
//
// Class Description:
//    A G4VBiasingOperation to change a process cross-section.
//
//
//---------------------------------------------------------------
//   Initial version                         Nov. 2014 M. Verderi

#ifndef GB04BOptnBremSplitting_hh
#define GB04BOptnBremSplitting_hh 1

#include "G4ParticleChange.hh"
#include "G4VBiasingOperation.hh"

class GB04BOptnBremSplitting : public G4VBiasingOperation
{
  public:
    // -- Constructor :
    GB04BOptnBremSplitting(G4String name);
    // -- destructor:
    ~GB04BOptnBremSplitting() override;

  public:
    // ----------------------------------------------
    // -- Methods from G4VBiasingOperation interface:
    // ----------------------------------------------
    // -- Unused:
    const G4VBiasingInteractionLaw*
    ProvideOccurenceBiasingInteractionLaw(const G4BiasingProcessInterface*,
                                          G4ForceCondition&) override
    {
      return nullptr;
    }

    // --Used:
    G4VParticleChange* ApplyFinalStateBiasing(const G4BiasingProcessInterface*, const G4Track*,
                                              const G4Step*, G4bool&) override;

    // -- Unsued:
    G4double DistanceToApplyOperation(const G4Track*, G4double, G4ForceCondition*) override
    {
      return DBL_MAX;
    }
    G4VParticleChange* GenerateBiasingFinalState(const G4Track*, const G4Step*) override
    {
      return nullptr;
    }

  public:
    // ----------------------------------------------
    // -- Additional methods, specific to this class:
    // ----------------------------------------------
    // -- Splitting factor:
    void SetSplittingFactor(G4int splittingFactor) { fSplittingFactor = splittingFactor; }
    G4int GetSplittingFactor() const { return fSplittingFactor; }

  private:
    G4int fSplittingFactor;
    G4ParticleChange fParticleChange;
};

#endif
