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File indexing completed on 2021-02-14 14:30:08

0001 #include "FWCore/Framework/interface/Event.h"
0002 #include "FWCore/Framework/interface/EventPrincipal.h"
0003 #include "FWCore/ParameterSet/interface/ParameterSet.h"
0004 #include "FWCore/Framework/interface/ConsumesCollector.h"
0005 #include "FWCore/Framework/interface/ProducesCollector.h"
0006 #include "SimGeneral/MixingModule/interface/PileUpEventPrincipal.h"
0007 
0008 #include "SimGeneral/PreMixingModule/interface/PreMixingWorker.h"
0009 #include "SimGeneral/PreMixingModule/interface/PreMixingWorkerFactory.h"
0010 
0011 #include "SimDataFormats/CrossingFrame/interface/CrossingFrame.h"
0012 #include "SimDataFormats/CrossingFrame/interface/PCrossingFrame.h"
0013 
0014 namespace edm {
0015   template <typename T>
0016   class PreMixingCrossingFrameWorker : public PreMixingWorker {
0017   public:
0018     PreMixingCrossingFrameWorker(const edm::ParameterSet& ps, edm::ProducesCollector, edm::ConsumesCollector&& iC);
0019     ~PreMixingCrossingFrameWorker() override = default;
0020 
0021     void initializeEvent(edm::Event const& iEvent, edm::EventSetup const& iSetup) override {}
0022     void addSignals(edm::Event const& iEvent, edm::EventSetup const& iSetup) override;
0023     void addPileups(PileUpEventPrincipal const& pep, edm::EventSetup const& iSetup) override;
0024     void put(edm::Event& iEvent,
0025              edm::EventSetup const& iSetup,
0026              std::vector<PileupSummaryInfo> const& ps,
0027              int bunchSpacing) override;
0028 
0029   private:
0030     edm::EDGetTokenT<CrossingFrame<T> > signalToken_;
0031     edm::InputTag pileupTag_;
0032     std::string collectionDM_;  // secondary name to be given to new digis
0033 
0034     std::unique_ptr<PCrossingFrame<T> > merged_;
0035   };
0036 
0037   template <typename T>
0038   PreMixingCrossingFrameWorker<T>::PreMixingCrossingFrameWorker(const edm::ParameterSet& ps,
0039                                                                 edm::ProducesCollector producesCollector,
0040                                                                 edm::ConsumesCollector&& iC)
0041       : signalToken_(iC.consumes<CrossingFrame<T> >(ps.getParameter<edm::InputTag>("labelSig"))),
0042         pileupTag_(ps.getParameter<edm::InputTag>("pileInputTag")),
0043         collectionDM_(ps.getParameter<std::string>("collectionDM")) {
0044     producesCollector.produces<PCrossingFrame<T> >(
0045         collectionDM_);  // TODO: this is needed only to store the pointed-to objects, do we really need it?
0046     producesCollector.produces<CrossingFrame<T> >(collectionDM_);
0047   }
0048 
0049   template <typename T>
0050   void PreMixingCrossingFrameWorker<T>::addSignals(edm::Event const& iEvent, edm::EventSetup const& iSetup) {
0051     edm::Handle<CrossingFrame<T> > hcf;
0052     iEvent.getByToken(signalToken_, hcf);
0053 
0054     const auto& cf = *hcf;
0055     if (!cf.getPileups().empty()) {
0056       throw cms::Exception("LogicError") << "Got CrossingFrame from signal with pileup content?";
0057     }
0058 
0059     merged_ = std::make_unique<PCrossingFrame<T> >(cf);  // for signal we just copy
0060   }
0061 
0062   template <typename T>
0063   void PreMixingCrossingFrameWorker<T>::addPileups(PileUpEventPrincipal const& pep, edm::EventSetup const& iSetup) {
0064     edm::Handle<PCrossingFrame<T> > hcf;
0065     pep.getByLabel(pileupTag_, hcf);
0066 
0067     const auto& cf = *hcf;
0068     if (!cf.getSignals().empty()) {
0069       throw cms::Exception("LogicError") << "Got PCrossingFrame from pileup with signal content?";
0070     }
0071 
0072     merged_->setAllExceptSignalFrom(cf);
0073   }
0074 
0075   template <typename T>
0076   void PreMixingCrossingFrameWorker<T>::put(edm::Event& iEvent,
0077                                             edm::EventSetup const& iSetup,
0078                                             std::vector<PileupSummaryInfo> const& ps,
0079                                             int bunchSpacing) {
0080     auto orphanHandle = iEvent.put(std::move(merged_), collectionDM_);
0081     const auto& pcf = *orphanHandle;
0082 
0083     const auto bx = pcf.getBunchRange();
0084     auto cf = std::make_unique<CrossingFrame<T> >(
0085         bx.first, bx.second, pcf.getBunchSpace(), pcf.getSubDet(), pcf.getMaxNbSources());
0086     cf->addSignals(&(pcf.getSignals()), pcf.getEventID());
0087     cf->setPileups(pcf.getPileups());
0088     iEvent.put(std::move(cf), collectionDM_);
0089   }
0090 }  // namespace edm
0091 
0092 #include "SimDataFormats/TrackingHit/interface/PSimHit.h"
0093 using PreMixingCrossingFramePSimHitWorker = edm::PreMixingCrossingFrameWorker<PSimHit>;
0094 
0095 DEFINE_PREMIXING_WORKER(PreMixingCrossingFramePSimHitWorker);