ModuleType.h

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#ifndef art_Persistency_Provenance_ModuleType_h
#define art_Persistency_Provenance_ModuleType_h
// vim: set sw=2 expandtab :

#include "canvas/Utilities/Exception.h"

#include <string>

namespace art {

  enum class ModuleType {
    non_art,
    producer,
    filter,
    analyzer,
    output_module,
    producing_service
  };
  enum class ModuleThreadingType { illegal, legacy, shared, replicated };

  inline bool
  is_modifier(ModuleType const mt)
  {
    return (mt == ModuleType::producer) || (mt == ModuleType::filter);
  }

  inline bool
  is_observer(ModuleType const mt)
  {
    return (mt == ModuleType::analyzer) || (mt == ModuleType::output_module);
  }

  inline std::string
  to_string(ModuleType const mt)
  {
    switch (mt) {
    case ModuleType::non_art:
      return "non-art";
    case ModuleType::producer:
      return "producer";
    case ModuleType::filter:
      return "filter";
    case ModuleType::analyzer:
      return "analyzer";
    case ModuleType::output_module:
      return "output module";
    default:
      throw Exception(errors::LogicError)
        << "Unable to find string for unrecognized ModuleType value "
        << static_cast<int>(mt) << ".\n";
    }
  }

} // namespace art

#endif /* art_Persistency_Provenance_ModuleType_h */

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