PrimaryGenerator.h

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#ifndef SIMCORE_PRIMARYGENERATOR_H
#define SIMCORE_PRIMARYGENERATOR_H
 
/*~~~~~~~~~~~~~~~~*/
/*   C++ StdLib   */
/*~~~~~~~~~~~~~~~~*/
#include <string>
 
/*~~~~~~~~~~~~*/
/*   Geant4   */
/*~~~~~~~~~~~~*/
#include "G4VPrimaryGenerator.hh"
 
/*~~~~~~~~~~~~~~~*/
/*   Framework   */
/*~~~~~~~~~~~~~~~*/
#include "Framework/Configure/Parameters.h"
#include "Framework/RunHeader.h"
#include "SimCore/Factory.h"
 
// Forward Declarations
class G4Event;
 
namespace simcore {
 
class PrimaryGenerator : public G4VPrimaryGenerator {
 public:
  PrimaryGenerator(const std::string& name,
                   const framework::config::Parameters& parameters);
 
  using Factory =
      ::simcore::Factory<PrimaryGenerator, std::shared_ptr<PrimaryGenerator>,
                         const std::string&,
                         const framework::config::Parameters&>;
 
  virtual ~PrimaryGenerator() = default;
 
  virtual void GeneratePrimaryVertex(G4Event*) = 0;
 
  virtual void RecordConfig(const std::string& id, ldmx::RunHeader& rh) = 0;
 
 protected:
  std::string name_{""};
};  // PrimaryGenerator
 
}  // namespace simcore
 
#define DECLARE_GENERATOR(CLASS)                                         \
  namespace {                                                            \
  auto v = ::simcore::PrimaryGenerator::Factory::get().declare<CLASS>(); \
  }
 
#endif  // SIMCORE_PRIMARYGENERATOR_H