ModuleFactory.h

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#ifndef FWCore_Framework_ModuleFactory_h
#define FWCore_Framework_ModuleFactory_h
// -*- C++ -*-
//
// Package:     Framework
// Class  :     ModuleFactory
// 
//
// Author:      Chris Jones
// Created:     Wed May 25 18:01:31 EDT 2005
//

// system include files
#include <memory>
#include <string>

// user include files
#include "FWCore/Framework/interface/ComponentFactory.h"
#include "FWCore/ParameterSet/interface/ParameterSetDescriptionFillerPluginFactory.h"

// forward declarations
namespace edm {
   class ParameterSet;

   namespace eventsetup {
      class DataProxyProvider;
      class EventSetupsController;

      struct ModuleMakerTraits {
         typedef DataProxyProvider base_type;
        
         static std::string name();
         static void addTo(EventSetupProvider& iProvider,
                           std::shared_ptr<DataProxyProvider> iComponent,
                           ParameterSet const&,
                           bool);
         static void replaceExisting(EventSetupProvider& iProvider, std::shared_ptr<DataProxyProvider> iComponent); 
         static std::shared_ptr<base_type> getComponentAndRegisterProcess(EventSetupsController& esController,
                                                                            ParameterSet const& iConfiguration);
         static void putComponent(EventSetupsController& esController,
                                  ParameterSet const& iConfiguration,
                                  std::shared_ptr<base_type> const& component);
      };
      template< class TType>
         struct ModuleMaker : public ComponentMaker<edm::eventsetup::ModuleMakerTraits,TType> {};
      
      typedef  ComponentFactory<ModuleMakerTraits> ModuleFactory ;
      typedef edmplugin::PluginFactory<edm::eventsetup::ComponentMakerBase<ModuleMakerTraits>* ()> ModulePluginFactory;
   }
}

#define DEFINE_FWK_EVENTSETUP_MODULE(type) \
DEFINE_EDM_PLUGIN (edm::eventsetup::ModulePluginFactory,edm::eventsetup::ModuleMaker<type>,#type); \
DEFINE_DESC_FILLER_FOR_ESPRODUCERS(type)

#endif