EmptySimHits.cc

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#include <memory>

#include "FWCore/Framework/interface/Frameworkfwd.h"
#include "FWCore/Framework/interface/EDProducer.h"

#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/MakerMacros.h"

#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "SimDataFormats/CaloHit/interface/PCaloHitContainer.h"
#include "SimDataFormats/TrackingHit/interface/PSimHitContainer.h"

class EmptySimHits : public edm::EDProducer {
public:
  explicit EmptySimHits(const edm::ParameterSet&);
  ~EmptySimHits() override{};
  
  static void fillDescriptions(edm::ConfigurationDescriptions& descriptions);
  
private:
  void beginJob() override {};
  void produce(edm::Event&, const edm::EventSetup&) override;
  void endJob() override {};

  std::vector<std::string> pCaloHitInstanceLabels;
  std::vector<std::string> pSimHitInstanceLabels;
  
};

EmptySimHits::EmptySimHits(const edm::ParameterSet& iConfig)
{
  pSimHitInstanceLabels = iConfig.getParameter<std::vector<std::string> >("pSimHitInstanceLabels");
  pCaloHitInstanceLabels = iConfig.getParameter<std::vector<std::string> >("pCaloHitInstanceLabels");

  for(size_t i = 0;i<pSimHitInstanceLabels.size();i++){
    produces<edm::PSimHitContainer>(pSimHitInstanceLabels[i]);
  }

  for(size_t i = 0;i<pCaloHitInstanceLabels.size();i++){
    produces<edm::PCaloHitContainer>(pCaloHitInstanceLabels[i]);
  }
}

void
EmptySimHits::produce(edm::Event& iEvent, const edm::EventSetup& iSetup)
{
  for(size_t i = 0;i<pSimHitInstanceLabels.size();i++){
    std::unique_ptr<edm::PSimHitContainer> pSimHitContainer(new edm::PSimHitContainer());
    iEvent.put(std::move(pSimHitContainer),pSimHitInstanceLabels[i]);
  }

  for(size_t i = 0;i<pCaloHitInstanceLabels.size();i++){
    std::unique_ptr<edm::PCaloHitContainer> pCaloHitContainer(new edm::PCaloHitContainer());
    iEvent.put(std::move(pCaloHitContainer),pCaloHitInstanceLabels[i]);
  }
  
}

void
EmptySimHits::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
  //The following says we do not know what parameters are allowed so do no validation
  // Please change this to state exactly what you do use, even if it is no parameters
  edm::ParameterSetDescription desc;
  desc.setUnknown();
  descriptions.addDefault(desc);
}

//define this as a plug-in
DEFINE_FWK_MODULE(EmptySimHits);