DimuonMCMatcher Class Reference

Inheritance diagram for DimuonMCMatcher:

Public Member Functions
	DimuonMCMatcher (const edm::ParameterSet &cfg)
virtual void	produce (edm::Event &, const edm::EventSetup &) override
Public Member Functions inherited from edm::EDProducer
	EDProducer ()
ModuleDescription const &	moduleDescription () const
virtual	~EDProducer ()
Public Member Functions inherited from edm::ProducerBase
	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 (const std::string &iProcessName, std::vector< const char * > &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 Attributes
edm::EDGetTokenT < reco::CandidateView >	srcToken_

Additional Inherited Members
Public Types inherited from edm::EDProducer
typedef EDProducer	ModuleType
Public Types inherited from edm::ProducerBase
typedef ProductRegistryHelper::TypeLabelList	TypeLabelList
Static Public Member Functions inherited from edm::EDProducer
static const std::string &	baseType ()
static void	fillDescriptions (ConfigurationDescriptions &descriptions)
static void	prevalidate (ConfigurationDescriptions &descriptions)
Protected Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)
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

Definition at line 7 of file DimuonMCMatcher.cc.

Constructor & Destructor Documentation

DimuonMCMatcher::DimuonMCMatcher

(

const edm::ParameterSet &

cfg

)

Definition at line 26 of file DimuonMCMatcher.cc.

                                                            :
  srcToken_(consumes<CandidateView>(cfg.getParameter<InputTag>("src"))) {
  produces<vector<GenParticleRef> >();
}

Member Function Documentation

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

overridevirtual

Implements edm::EDProducer.

Definition at line 31 of file DimuonMCMatcher.cc.

References alignmentValidation::c1, edm::hlt::Exception, pat::PATObject< ObjectType >::genParticleRef(), edm::RefToBase< T >::get(), edm::Event::getByToken(), i, edm::errors::InvalidReference, edm::Ref< C, T, F >::isNonnull(), j, relval_steps::k, reco::Candidate::masterClone(), edm::Event::put(), alcazmumu_cfi::src, and srcToken_.

Referenced by JSONExport.JsonExport::export(), HTMLExport.HTMLExport::export(), and HTMLExport.HTMLExportStatic::export().

                                                                 {
  Handle<CandidateView> src;
  evt.getByToken(srcToken_, src);
  auto_ptr<vector<GenParticleRef> > matched(new vector<GenParticleRef>);
  matched->reserve(src->size());
  int j=0;
  for(CandidateView::const_iterator i = src->begin(); i != src->end(); ++i) {
    j++;
    const Candidate * dau1 = i->daughter(0);
    const Candidate * dau2 = i->daughter(1);
    if(dau1 == 0|| dau2 == 0)
      throw Exception(errors::InvalidReference) <<
    "one of the two daughter does not exist\n";
    const Candidate * c1 = dau1->masterClone().get();
    GenParticleRef mc1;
    const pat::Muon * mu1 = dynamic_cast<const pat::Muon*>(c1);
    if(mu1 != 0) {
      mc1 = mu1->genParticleRef();
      //     if (mc1.isNonnull()) cout << "DimuonMCMatcher> genParticleRef1 " << mc1->pdgId() << endl;
    } else {
      const pat::GenericParticle * gp1 = dynamic_cast<const pat::GenericParticle*>(c1);
      if(gp1 == 0)
    throw Exception(errors::InvalidReference) <<
      "first of two daughter is neither a pat::Muon not pat::GenericParticle\n";
      mc1 = gp1->genParticleRef();
    }
    const Candidate * c2 = dau2->masterClone().get();
    GenParticleRef mc2;
    const pat::Muon * mu2 = dynamic_cast<const pat::Muon*>(c2);
    if(mu2 != 0) {
      mc2 = mu2->genParticleRef();
      //      if (mc2.isNonnull()) cout << "DimuonMCMatcher> genParticleRef2 " << mc2->pdgId() << endl;
    } else {
      const pat::GenericParticle * gp2 = dynamic_cast<const pat::GenericParticle*>(c2);
      if(gp2 == 0)
    throw Exception(errors::InvalidReference) <<
      "first of two daughter is neither a pat::Muon not pat::GenericParticle\n";
      mc2 = gp2->genParticleRef();
    }
    GenParticleRef dimuonMatch;
    //    cout << "DimuonMatcher>  mc1 " << mc1.isNonnull() << "   mc2 " << mc2.isNonnull() << endl;
    if(mc1.isNonnull() && mc2.isNonnull()) {
      int k=0;
      do {
    k++;
    mc1 = mc1->numberOfMothers() > 0 ? mc1->motherRef() : GenParticleRef();
    mc2 = mc2->numberOfMothers() > 0 ? mc2->motherRef() : GenParticleRef();
    //  cout << "DimuonMCMatcher> do loop: " << k << "  id1 " << mc1->pdgId() << "    id2 " << mc2->pdgId() << endl;
      } while(mc1 != mc2 && mc1.isNonnull() && mc2.isNonnull());
      if(mc1.isNonnull() && mc2.isNonnull() && mc1->pdgId()==23) {
    dimuonMatch = mc1;
      }
    }
    //    cout << "DimuonMatcher> dimuonMatch " << dimuonMatch.isNonnull() << endl;
    matched->push_back(dimuonMatch);
  }

  evt.put(matched);
}

Member Data Documentation

edm::EDGetTokenT<reco::CandidateView> DimuonMCMatcher::srcToken_

private

Definition at line 12 of file DimuonMCMatcher.cc.

Referenced by produce().