InputSourceFactory.cc

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#include "FWCore/Framework/src/InputSourceFactory.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Utilities/interface/DebugMacros.h"
#include "FWCore/Utilities/interface/EDMException.h"
 
#include <iostream>
 
EDM_REGISTER_PLUGINFACTORY(edm::InputSourcePluginFactory, "CMS EDM Framework InputSource");
namespace edm {
 
  InputSourceFactory::~InputSourceFactory() {}
 
  InputSourceFactory::InputSourceFactory() {}
 
  InputSourceFactory const InputSourceFactory::singleInstance_;
 
  InputSourceFactory const* InputSourceFactory::get() {
    // will not work with plugin factories
    //static InputSourceFactory f;
    //return &f;
 
    return &singleInstance_;
  }
 
  std::unique_ptr<InputSource> InputSourceFactory::makeInputSource(ParameterSet const& conf,
                                                                   InputSourceDescription const& desc) const
 
  {
    std::string modtype = conf.getParameter<std::string>("@module_type");
    FDEBUG(1) << "InputSourceFactory: module_type = " << modtype << std::endl;
    auto wm = InputSourcePluginFactory::get()->create(modtype, conf, desc);
 
    if (wm.get() == nullptr) {
      throw edm::Exception(errors::Configuration, "NoSourceModule")
          << "InputSource Factory:\n"
          << "Cannot find source type from ParameterSet: " << modtype << "\n"
          << "Perhaps your source type is misspelled or is not an EDM Plugin?\n"
          << "Try running EdmPluginDump to obtain a list of available Plugins.";
    }
 
    wm->registerProducts();
 
    FDEBUG(1) << "InputSourceFactory: created input source " << modtype << std::endl;
 
    return wm;
  }
 
}  // namespace edm