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 CSCSegmentProducer::~CSCSegmentProducer() {
0026   LogDebug("CSCSegment|CSC") << "deleting CSCSegmentBuilder after " << iev << " events w/csc data.";
0027   delete segmentBuilder_;
0028 }
0029
0030 void CSCSegmentProducer::produce(edm::Event& ev, const edm::EventSetup& setup) {
0031   LogDebug("CSCSegment|CSC") << "start producing segments for " << ++iev << "th event with csc data";
0032
0033   // find the geometry (& conditions?) for this event & cache it in the builder
0034
0035   edm::ESHandle<CSCGeometry> h = setup.getHandle(m_cscGeometryToken);
0036   const CSCGeometry* pgeom = &*h;
0037   segmentBuilder_->setGeometry(pgeom);
0038
0039   // get the collection of CSCRecHit2D
0040   edm::Handle<CSCRecHit2DCollection> cscRecHits;
0041   ev.getByToken(m_token, cscRecHits);
0042
0043   // create empty collection of Segments
0044   auto oc = std::make_unique<CSCSegmentCollection>();
0045
0046   // fill the collection
0047   segmentBuilder_->build(cscRecHits.product(), *oc);  //@@ FILL oc
0048
0049   // put collection in event
0050   ev.put(std::move(oc));
0051 }