art::InputSourceFactory Namespace Reference

Functions
unique_ptr< InputSource >	make (ParameterSet const &conf, InputSourceDescription &desc)

Function Documentation

std::unique_ptr< InputSource > art::InputSourceFactory::make	(	ParameterSet const &	conf,
		InputSourceDescription &	desc
	)

Definition at line 23 of file InputSourceFactory.cc.

    {
      auto const& libspec = conf.get<string>("module_type");
      FDEBUG(1) << "InputSourceFactory: module_type = " << libspec << endl;
      using make_t =
        unique_ptr<InputSource>(ParameterSet const&, InputSourceDescription&);
      make_t* symbol = nullptr;
      try {
        cet::LibraryManager lm_{Suffixes::source()};
        lm_.getSymbolByLibspec(libspec, "make", symbol);
      }
      catch (Exception const& e) {
        cet::detail::wrapLibraryManagerException(
          e, "InputSource", libspec, getReleaseVersion());
      }
      if (symbol == nullptr) {
        throw Exception(errors::Configuration, "BadPluginLibrary")
          << "InputSource " << libspec
          << " has internal symbol definition problems: consult an expert.";
      }
      auto wm = symbol(conf, desc);
      FDEBUG(1) << "InputSourceFactory: created input source " << libspec
                << endl;
      return wm;
    }