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	hasAbilityToProduceInBeginLumis () const final
bool	hasAbilityToProduceInBeginProcessBlocks () const final
bool	hasAbilityToProduceInBeginRuns () const final
bool	hasAbilityToProduceInEndLumis () const final
bool	hasAbilityToProduceInEndProcessBlocks () const final
bool	hasAbilityToProduceInEndRuns () 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

GenParticleMatch

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

private

Definition at line 33 of file GenTrackMatcher.cc.

Constructor & Destructor Documentation

GenTrackMatcher()

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

produce()

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

overrideprivate

Definition at line 50 of file GenTrackMatcher.cc.

                                                              {
  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));
}

References b, MillePedeFileConverter_cfg::e, TrackHistory::evaluate(), Exception, f, trigObjTnPSource_cfi::filler, spr::find(), GenParticle::GenParticle, HistoryBase::genParticle(), genParticles2HepMC_cfi::genParticles, genParticles_, edm::Event::getByToken(), mps_fire::i, bTagCombinedSVVariables_cff::indices, edm::errors::InvalidReference, SummaryClient_cfi::labels, match(), eostools::move(), dqmiodumpmetadata::n, TrackHistory::newEvent(), edm::Event::put(), tracer_, HLT_FULL_cff::track, tracks, and tracks_.

Member Data Documentation

genParticleInts_

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

private

Definition at line 32 of file GenTrackMatcher.cc.

genParticles_

edm::EDGetTokenT<GenParticleCollection> GenTrackMatcher::genParticles_

private

Definition at line 31 of file GenTrackMatcher.cc.

Referenced by produce().

tracer_

TrackHistory GenTrackMatcher::tracer_

private

Definition at line 29 of file GenTrackMatcher.cc.

Referenced by produce().

tracks_

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

private

Definition at line 30 of file GenTrackMatcher.cc.

Referenced by produce().