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
Public Member Functions inherited from edm::stream::EDProducerBase
	EDProducerBase ()
ModuleDescription const &	moduleDescription () const
virtual	~EDProducerBase ()
Public Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)
	ProducerBase ()
void	registerProducts (ProducerBase *, ProductRegistry *, ModuleDescription const &)
std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...
virtual	~ProducerBase ()
Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfo >	consumesInfo () const
	EDConsumerBase ()
ProductHolderIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const
void	itemsMayGet (BranchType, std::vector< ProductHolderIndexAndSkipBit > &) const
void	itemsToGet (BranchType, std::vector< ProductHolderIndexAndSkipBit > &) const
std::vector < ProductHolderIndexAndSkipBit > const &	itemsToGetFromEvent () const
void	labelsForToken (EDGetToken iToken, Labels &oLabels) const
void	modulesDependentUpon (std::string const &iProcessName, std::string const &iModuleLabel, bool iPrint, std::vector< char const * > &oModuleLabels) const
void	modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const
bool	registeredToConsume (ProductHolderIndex, bool, BranchType) const
bool	registeredToConsumeMany (TypeID const &, BranchType) const
void	updateLookup (BranchType iBranchType, ProductHolderIndexHelper const &)
virtual	~EDConsumerBase ()

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
Public Types inherited from edm::stream::EDProducerBase
typedef EDProducerAdaptorBase	ModuleType
Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList
Public Types inherited from edm::EDConsumerBase
typedef ProductLabels	Labels
Static Public Member Functions inherited from edm::stream::EDProducerBase
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
static void	prevalidate (ConfigurationDescriptions &descriptions)
Protected Member Functions inherited from edm::EDConsumerBase
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	consumes (edm::InputTag const &tag)
EDGetToken	consumes (const TypeToGet &id, edm::InputTag const &tag)
template<BranchType B>
EDGetToken	consumes (TypeToGet const &id, edm::InputTag const &tag)
ConsumesCollector	consumesCollector ()
	Use a ConsumesCollector to gather consumes information from helper functions. More...
template<typename ProductType , BranchType B = InEvent>
void	consumesMany ()
void	consumesMany (const TypeToGet &id)
template<BranchType B>
void	consumesMany (const TypeToGet &id)
template<typename ProductType , BranchType B = InEvent>
EDGetTokenT< ProductType >	mayConsume (edm::InputTag const &tag)
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)
template<BranchType B>
EDGetToken	mayConsume (const TypeToGet &id, edm::InputTag const &tag)

Detailed Description

Author

Luca Lista, INFN

Victor E. Bazterra, UIC

Definition at line 24 of file GenTrackMatcher.cc.

Member Typedef Documentation

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

private

Definition at line 36 of file GenTrackMatcher.cc.

Constructor & Destructor Documentation

GenTrackMatcher::GenTrackMatcher

(

const edm::ParameterSet &

p

)

constructor

Definition at line 45 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  )

overrideprivatevirtual

Implements edm::stream::EDProducerBase.

Definition at line 54 of file GenTrackMatcher.cc.

References b, alignCSCRings::e, TrackHistory::evaluate(), Exception, f, edm::helper::Filler< Map >::fill(), spr::find(), GenParticle::GenParticle, HistoryBase::genParticle(), genParticleCandidates2GenParticles_cfi::genParticles, genParticles_, edm::Event::getByToken(), i, edm::helper::Filler< Map >::insert(), edm::errors::InvalidReference, HLT_FULL_cff::labels, edm::EDConsumerBase::labelsForToken(), match(), edm::ProductLabels::module, gen::n, TrackHistory::newEvent(), edm::Event::put(), tracer_, testEve_cfg::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);
    auto_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(match);
}

Member Data Documentation

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

private

Definition at line 35 of file GenTrackMatcher.cc.

edm::EDGetTokenT<GenParticleCollection> GenTrackMatcher::genParticles_

private

Definition at line 34 of file GenTrackMatcher.cc.

Referenced by produce().

TrackHistory GenTrackMatcher::tracer_

private

Definition at line 32 of file GenTrackMatcher.cc.

Referenced by produce().

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

private

Definition at line 33 of file GenTrackMatcher.cc.

Referenced by produce().