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
	EDProducer (const EDProducer &)=delete
bool	hasAbilityToProduceInBeginLumis () const final
bool	hasAbilityToProduceInBeginProcessBlocks () const final
bool	hasAbilityToProduceInBeginRuns () const final
bool	hasAbilityToProduceInEndLumis () const final
bool	hasAbilityToProduceInEndProcessBlocks () const final
bool	hasAbilityToProduceInEndRuns () const final
const EDProducer &	operator= (const EDProducer &)=delete

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<>
using	CacheTypes = CacheContexts< T...>
using	GlobalCache = typename CacheTypes::GlobalCache
using	HasAbility = AbilityChecker< T...>
using	InputProcessBlockCache = typename CacheTypes::InputProcessBlockCache
using	LuminosityBlockCache = typename CacheTypes::LuminosityBlockCache
using	LuminosityBlockContext = LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCache >
using	LuminosityBlockSummaryCache = typename CacheTypes::LuminosityBlockSummaryCache
using	RunCache = typename CacheTypes::RunCache
using	RunContext = RunContextT< RunCache, GlobalCache >
using	RunSummaryCache = typename CacheTypes::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, alignCSCRings::e, TrackHistory::evaluate(), Exception, validate-o2o-wbm::f, edm::helper::Filler< Map >::fill(), spr::find(), GenParticle::GenParticle, HistoryBase::genParticle(), genParticleCandidates2GenParticles_cfi::genParticles, genParticles_, edm::Event::getByToken(), mps_fire::i, dqmdumpme::indices, edm::helper::Filler< Map >::insert(), edm::errors::InvalidReference, HLT_FULL_cff::labels, match(), edm::ProductLabels::module, eostools::move(), dqmiodumpmetadata::n, TrackHistory::newEvent(), edm::Event::put(), tracer_, HLT_FULL_cff::track, 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().