RawDataCollector/src/RawDataMapperByLabel.cc

0001 /** \file
0002  * Implementation of class RawDataMapperByLabel
0003  *
0004  */
0005
0006 #include "DataFormats/Provenance/interface/ProcessHistory.h"
0007 #include "DataFormats/Common/interface/Handle.h"
0008 #include "DataFormats/FEDRawData/interface/FEDRawDataCollection.h"
0009 #include "DataFormats/Common/interface/Handle.h"
0010
0011 #include "FWCore/Framework/interface/Event.h"
0012 #include "FWCore/Framework/interface/ESHandle.h"
0013 #include "FWCore/Framework/interface/EventSetup.h"
0014 #include "FWCore/MessageLogger/interface/MessageLogger.h"
0015 #include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
0016 #include "FWCore/ParameterSet/interface/ParameterSetDescription.h"
0017 #include "FWCore/Framework/interface/MakerMacros.h"
0018 #include "FWCore/Framework/interface/stream/EDProducer.h"
0019 #include "FWCore/Utilities/interface/InputTag.h"
0020
0021 #include <iostream>
0022
0023 using namespace edm;
0024
0025 class RawDataMapperByLabel : public edm::stream::EDProducer<> {
0026 public:
0027   ///Constructor
0028   RawDataMapperByLabel(const edm::ParameterSet& pset);
0029
0030   ///Destructor
0031   ~RawDataMapperByLabel() override;
0032
0033   void produce(edm::Event& e, const edm::EventSetup& c) override;
0034
0035   static void fillDescriptions(edm::ConfigurationDescriptions&);
0036
0037 private:
0038   typedef std::vector<edm::InputTag>::const_iterator tag_iterator_t;
0039   typedef std::vector<edm::EDGetTokenT<FEDRawDataCollection>>::const_iterator tok_iterator_t;
0040
0041   std::vector<edm::InputTag> inputTags_;
0042   std::vector<edm::EDGetTokenT<FEDRawDataCollection>> inputTokens_;
0043
0044   edm::InputTag mainCollectionTag_;
0045   edm::InputTag filledCollectionName_;
0046   bool firstEvent_;
0047 };
0048
0049 RawDataMapperByLabel::RawDataMapperByLabel(const edm::ParameterSet& pset)
0050     : inputTags_(pset.getParameter<std::vector<edm::InputTag>>("rawCollectionList")),
0051       mainCollectionTag_(pset.getParameter<edm::InputTag>("mainCollection")),
0052       filledCollectionName_(edm::InputTag("")),
0053       firstEvent_(true) {
0054   inputTokens_.reserve(inputTags_.size());
0055   for (auto const& inputTag : inputTags_) {
0056     inputTokens_.push_back(consumes<FEDRawDataCollection>(inputTag));
0057   }
0058
0059   produces<FEDRawDataCollection>();
0060 }
0061
0062 RawDataMapperByLabel::~RawDataMapperByLabel() {}
0063
0064 void RawDataMapperByLabel::produce(Event& e, const EventSetup& c) {
0065   bool alreadyACollectionFilled = false;
0066   tag_iterator_t inputTag = inputTags_.begin();
0067   for (tok_iterator_t inputTok = inputTokens_.begin(); inputTok != inputTokens_.end(); ++inputTok, ++inputTag) {
0068     Handle<FEDRawDataCollection> input;
0069     if (e.getByToken(*inputTok, input)) {
0070       if (input.isValid()) {
0071         if (alreadyACollectionFilled)
0072           throw cms::Exception("BadInput")
0073               << "Two input collections are present." << std::endl
0074               << "Please make sure that the input dataset has only one FEDRawDataCollector collection filled";
0075
0076         if (firstEvent_) {
0077           filledCollectionName_ = *inputTag;
0078           alreadyACollectionFilled = true;
0079           firstEvent_ = false;
0080         }
0081
0082         if (!(filledCollectionName_ == *inputTag))
0083           throw cms::Exception("BadInput") << "The filled collection has changed!";
0084
0085         if (!(mainCollectionTag_ == filledCollectionName_))
0086           e.put(std::make_unique<FEDRawDataCollection>(*input.product()));
0087       }
0088     }
0089   }
0090 }
0091
0092 void RawDataMapperByLabel::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
0093   edm::ParameterSetDescription desc;
0094
0095   desc.add<std::vector<edm::InputTag>>("rawCollectionList",
0096                                        {{"rawDataCollector", "", "@skipCurrentProcess"},
0097                                         {"rawDataRepacker"},
0098                                         {"rawPrimeDataRepacker"},
0099                                         {"rawDataReducedFormat"}});
0100   desc.add<edm::InputTag>("mainCollection", edm::InputTag("rawDataCollector"));
0101
0102   descriptions.add("rawDataMapperByLabel", desc);
0103 }
0104
0105 DEFINE_FWK_MODULE(RawDataMapperByLabel);