MCGeneratorInfo.h

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////////////////////////////////////////////////////////////////////////
/// \file  MCGeneratorInfo.cxx
/// \brief Info on the generator
///
/// \author  J. Wolcott <jwolcott@fnal.gov>
////////////////////////////////////////////////////////////////////////

#ifndef SIMB_MCGENERATORINFO_H
#define SIMB_MCGENERATORINFO_H

#include <string>
#include <unordered_map>

namespace simb
{

  /// generator used to produce event, if applicable
  typedef enum class _ev_generator
  {
    kUnknown,
    kGENIE,
    kCRY,
    kGIBUU,
    kNuWro,
    kMARLEY,
    kNEUT,
    kCORSIKA,
    kGEANT,
    kNumGenerators, //  this should always be the last entry
  } Generator_t;

  struct MCGeneratorInfo
  {
    simb::Generator_t                            generator;         ///< event generator that generated this event
    std::string                                  generatorVersion;  ///< event generator version
    std::unordered_map<std::string, std::string> generatorConfig;   ///< free-form field that can be used to keep track of generator configuration (e.g. GENIE tune)

    MCGeneratorInfo(Generator_t gen = Generator_t::kUnknown,
                    const std::string ver = "",
                    const std::unordered_map<std::string, std::string> config = {})
      : generator(gen), generatorVersion(ver), generatorConfig(config)
    {}
  };
}

#endif //SIMB_MCGENERATORINFO_H