CSCSegment/src/CSCSegmentProducer.cc

0001 /** \file CSCSegmentProducer.cc
0002  *
0003  */
0004
0005 #include "RecoLocalMuon/CSCSegment/src/CSCSegmentProducer.h"
0006 #include "RecoLocalMuon/CSCSegment/src/CSCSegmentBuilder.h"
0007
0008 #include "DataFormats/Common/interface/Handle.h"
0009 #include "FWCore/Framework/interface/ESHandle.h"
0010 #include "FWCore/Utilities/interface/InputTag.h"
0011 #include "FWCore/MessageLogger/interface/MessageLogger.h"
0012
0013 #include "DataFormats/CSCRecHit/interface/CSCSegmentCollection.h"
0014 #include "DataFormats/CSCRecHit/interface/CSCSegment.h"
0015
0016 CSCSegmentProducer::CSCSegmentProducer(const edm::ParameterSet& pas) : iev(0) {
0017   m_token = consumes<CSCRecHit2DCollection>(pas.getParameter<edm::InputTag>("inputObjects"));
0018   m_cscGeometryToken = esConsumes<CSCGeometry, MuonGeometryRecord>();
0019   segmentBuilder_ = new CSCSegmentBuilder(pas);  // pass on the PS
0020
0021   // register what this produces
0022   produces<CSCSegmentCollection>();
0023 }
0024
0025 void CSCSegmentProducer::fillDescriptions(edm::ConfigurationDescriptions& descriptions) {
0026   edm::ParameterSetDescription desc;
0027   desc.add<edm::InputTag>("inputObjects", edm::InputTag("csc2DRecHits"))->setComment("define input");
0028   CSCSegmentBuilder::fillPSetDescription(desc);
0029   descriptions.addWithDefaultLabel(desc);
0030 }
0031
0032 CSCSegmentProducer::~CSCSegmentProducer() {
0033   LogDebug("CSCSegment|CSC") << "deleting CSCSegmentBuilder after " << iev << " events w/csc data.";
0034   delete segmentBuilder_;
0035 }
0036
0037 void CSCSegmentProducer::produce(edm::Event& ev, const edm::EventSetup& setup) {
0038   LogDebug("CSCSegment|CSC") << "start producing segments for " << ++iev << "th event with csc data";
0039
0040   // find the geometry (& conditions?) for this event & cache it in the builder
0041
0042   edm::ESHandle<CSCGeometry> h = setup.getHandle(m_cscGeometryToken);
0043   const CSCGeometry* pgeom = &*h;
0044   segmentBuilder_->setGeometry(pgeom);
0045
0046   // get the collection of CSCRecHit2D
0047   edm::Handle<CSCRecHit2DCollection> cscRecHits;
0048   ev.getByToken(m_token, cscRecHits);
0049
0050   // create empty collection of Segments
0051   auto oc = std::make_unique<CSCSegmentCollection>();
0052
0053   // fill the collection
0054   segmentBuilder_->build(cscRecHits.product(), *oc);  //@@ FILL oc
0055
0056   // put collection in event
0057   ev.put(std::move(oc));
0058 }