GFluxExposureI.h

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//____________________________________________________________________________
/*!
 
\class   genie::flux::GFluxExposureI
 
\brief   GENIE interface for uniform flux exposure iterface
 
         Unified flux exposure interface to be used by flux drivers
         that can support such.
 
\author  Robert Hatcher <rhatcher \at fnal.gov>
         Fermi National Accelerator Laboratory
 
\created 2015-03-17
 
\cpright Copyright (c) 2003-2025, The GENIE Collaboration
         for the full text of the license visit http://copyright.genie-mc.org
*/
//____________________________________________________________________________
 
#ifndef GENIE_FLUX_GFLUXEXPOSUREI_H
#define GENIE_FLUX_GFLUXEXPOSUREI_H
 
#include <string>
#include <ctype.h>
 
namespace genie {
namespace flux {
 
  typedef enum EExposure {
    kUnknown   = 0,
    kPOTs      = 1,  // particles (protons) on target
    kSeconds   = 2,  // exposure duration
    kNExposureTypes  //
  } Exposure_t;
 
  class GFluxExposureI {
 
  public:
 
    GFluxExposureI(genie::flux::Exposure_t etype);
    virtual ~GFluxExposureI();
 
    /// what units are returned by GetTotalExposure?
    const char*             GetExposureUnits() const;
    genie::flux::Exposure_t GetExposureType() const;
 
    //
    // define the GFluxExposureI interface:
    //
    virtual double    GetTotalExposure() const = 0;
 
    /// # of rays generated
    virtual long int  NFluxNeutrinos() const = 0;
 
 
    // string conversions for the associated enum
    static const char*              AsString(genie::flux::Exposure_t etype);
    static genie::flux::Exposure_t  StringToEnum(const char* chars, int maxChar=0);
 
  private:
    genie::flux::Exposure_t fEType;
 
  };
 
} // namespace flux
} // namespace genie
 
#endif //GENIE_FLUX_GFLUXEXPOSUREI_H