ModuleRegistry.cc

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// -*- C++ -*-
//
// Package:     FWCore/Framework
// Class  :     edm::ModuleRegistry
//
// Implementation:
//     [Notes on implementation]
//
// Original Author:  Chris Jones
//         Created:  Fri, 23 Aug 2013 16:39:58 GMT
//
 
// system include files
 
// user include files
#include "FWCore/Framework/src/ModuleRegistry.h"
#include "FWCore/Framework/src/Factory.h"
 
namespace edm {
  std::shared_ptr<maker::ModuleHolder> ModuleRegistry::getModule(
      MakeModuleParams const& p,
      std::string const& moduleLabel,
      signalslot::Signal<void(ModuleDescription const&)>& iPre,
      signalslot::Signal<void(ModuleDescription const&)>& iPost) {
    auto modItr = labelToModule_.find(moduleLabel);
    if (modItr == labelToModule_.end()) {
      auto modPtr = Factory::get()->makeModule(p, iPre, iPost);
 
      // Transfer ownership of worker to the registry
      labelToModule_[moduleLabel] = modPtr;
      return modPtr;
    }
    return get_underlying_safe(modItr->second);
  }
 
  maker::ModuleHolder* ModuleRegistry::replaceModule(std::string const& iModuleLabel,
                                                     edm::ParameterSet const& iPSet,
                                                     edm::PreallocationConfiguration const& iPrealloc) {
    auto modItr = labelToModule_.find(iModuleLabel);
    if (modItr == labelToModule_.end()) {
      return nullptr;
    }
 
    auto modPtr = Factory::get()->makeReplacementModule(iPSet);
    modPtr->setModuleDescription(modItr->second->moduleDescription());
    modPtr->preallocate(iPrealloc);
 
    // Transfer ownership of worker to the registry
    modItr->second = modPtr;
    return modItr->second.get();
  }
}  // namespace edm