GenTrackMatcher Class Reference

Inheritance diagram for GenTrackMatcher:

Public Member Functions
	GenTrackMatcher (const edm::ParameterSet &)
	constructor More...
Public Member Functions inherited from edm::stream::EDProducer<>
	EDProducer ()=default
bool	hasAbilityToProduceInLumis () const final
bool	hasAbilityToProduceInRuns () const final

Private Types
typedef edm::Association< reco::GenParticleCollection >	GenParticleMatch

Private Member Functions
void	produce (edm::Event &evt, const edm::EventSetup &es) override

Private Attributes
edm::EDGetTokenT< vector< int > >	genParticleInts_
edm::EDGetTokenT< GenParticleCollection >	genParticles_
TrackHistory	tracer_
edm::EDGetTokenT< View< Track > >	tracks_

Additional Inherited Members
Public Types inherited from edm::stream::EDProducer<>
typedef CacheContexts< T... >	CacheTypes
typedef CacheTypes::GlobalCache	GlobalCache
typedef AbilityChecker< T... >	HasAbility
typedef CacheTypes::LuminosityBlockCache	LuminosityBlockCache
typedef LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCache >	LuminosityBlockContext
typedef CacheTypes::LuminosityBlockSummaryCache	LuminosityBlockSummaryCache
typedef CacheTypes::RunCache	RunCache
typedef RunContextT< RunCache, GlobalCache >	RunContext
typedef CacheTypes::RunSummaryCache	RunSummaryCache

Detailed Description

Author

Luca Lista, INFN

Victor E. Bazterra, UIC

Definition at line 22 of file GenTrackMatcher.cc.

Member Typedef Documentation

typedef edm::Association<reco::GenParticleCollection> GenTrackMatcher::GenParticleMatch

private

Definition at line 33 of file GenTrackMatcher.cc.

Constructor & Destructor Documentation

GenTrackMatcher::GenTrackMatcher

(

const edm::ParameterSet &

p

)

constructor

Definition at line 42 of file GenTrackMatcher.cc.

    : tracer_(p, consumesCollector()),
      tracks_(consumes<View<Track>>(p.getUntrackedParameter<edm::InputTag>("trackProducer"))),
      genParticles_(consumes<GenParticleCollection>(p.getUntrackedParameter<edm::InputTag>("genParticles"))),
      genParticleInts_(consumes<vector<int>>(p.getUntrackedParameter<edm::InputTag>("genParticles"))) {
  produces<GenParticleMatch>();
}

Member Function Documentation

void GenTrackMatcher::produce ( edm::Event &  evt, const edm::EventSetup &  es  )

overrideprivate

Definition at line 50 of file GenTrackMatcher.cc.

References b, DEFINE_FWK_MODULE, MillePedeFileConverter_cfg::e, TrackHistory::evaluate(), Exception, f, edm::helper::Filler< Map >::fill(), objects.autophobj::filler, spr::find(), GenParticle::GenParticle, HistoryBase::genParticle(), GenHFHadronMatcher_cfi::genParticles, genParticles_, edm::Event::getByToken(), mps_fire::i, edm::helper::Filler< Map >::insert(), edm::errors::InvalidReference, tablePrinter::labels, match(), edm::ProductLabels::module, eostools::move(), gen::n, TrackHistory::newEvent(), edm::Event::put(), tracer_, HiIsolationCommonParameters_cff::track, l1t::tracks, and tracks_.

                                                              {
  Handle<View<Track>> tracks;
  evt.getByToken(tracks_, tracks);
  Handle<vector<int>> barCodes;
  evt.getByToken(genParticles_, barCodes);
  Handle<GenParticleCollection> genParticles;
  evt.getByToken(genParticles_, genParticles);
  unique_ptr<GenParticleMatch> match(new GenParticleMatch(GenParticleRefProd(genParticles)));
  GenParticleMatch::Filler filler(*match);
  size_t n = tracks->size();
  vector<int> indices(n, -1);
  tracer_.newEvent(evt, es);
  for (size_t i = 0; i < n; ++i) {
    RefToBase<Track> track(tracks, i);
    if (tracer_.evaluate(track)) {
      const HepMC::GenParticle *particle = tracer_.genParticle();
      if (particle) {
        int barCode = particle->barcode();
        vector<int>::const_iterator b = barCodes->begin(), e = barCodes->end(), f = find(b, e, barCode);
        if (f == e) {
          edm::EDConsumerBase::Labels labels;
          labelsForToken(genParticles_, labels);
          throw edm::Exception(errors::InvalidReference)
              << "found matching particle with barcode" << *f << " which has not been found in " << labels.module;
        }
        indices[i] = *f;
      }
    }
  }
  filler.insert(tracks, indices.begin(), indices.end());
  filler.fill();
  evt.put(std::move(match));
}

Member Data Documentation

edm::EDGetTokenT<vector<int> > GenTrackMatcher::genParticleInts_

private

Definition at line 32 of file GenTrackMatcher.cc.

edm::EDGetTokenT<GenParticleCollection> GenTrackMatcher::genParticles_

private

Definition at line 31 of file GenTrackMatcher.cc.

Referenced by produce().

TrackHistory GenTrackMatcher::tracer_

private

Definition at line 29 of file GenTrackMatcher.cc.

Referenced by produce().

edm::EDGetTokenT<View<Track> > GenTrackMatcher::tracks_

private

Definition at line 30 of file GenTrackMatcher.cc.

Referenced by produce().