ZllArbitrator Class Reference

Inheritance diagram for ZllArbitrator:

Public Member Functions
void	produce (edm::StreamID, edm::Event &, edm::EventSetup const &) const override
	ZllArbitrator (edm::ParameterSet const &)
Public Member Functions inherited from edm::global::EDProducer<>
	EDProducer ()=default
Public Member Functions inherited from edm::global::EDProducerBase
	EDProducerBase ()
ModuleDescription const &	moduleDescription () const
virtual	~EDProducerBase ()
Public Member Functions inherited from edm::ProducerBase
void	callWhenNewProductsRegistered (std::function< void(BranchDescription const &)> const &func)
std::vector< edm::ProductResolverIndex > const &	indiciesForPutProducts (BranchType iBranchType) const
	ProducerBase ()
void	registerProducts (ProducerBase *, ProductRegistry *, ModuleDescription const &)
std::function< void(BranchDescription const &)>	registrationCallback () const
	used by the fwk to register list of products More...
void	resolvePutIndicies (BranchType iBranchType, std::unordered_multimap< std::string, edm::ProductResolverIndex > const &iIndicies, std::string const &moduleLabel)
virtual	~ProducerBase () noexcept(false)
Public Member Functions inherited from edm::EDConsumerBase
std::vector< ConsumesInfo >	consumesInfo () const
void	convertCurrentProcessAlias (std::string const &processName)
	Convert "@currentProcess" in InputTag process names to the actual current process name. More...
	EDConsumerBase ()
	EDConsumerBase (EDConsumerBase const &)=delete
	EDConsumerBase (EDConsumerBase &&)=default
ProductResolverIndexAndSkipBit	indexFrom (EDGetToken, BranchType, TypeID const &) const
void	itemsMayGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const
void	itemsToGet (BranchType, std::vector< ProductResolverIndexAndSkipBit > &) const
std::vector< ProductResolverIndexAndSkipBit > const &	itemsToGetFrom (BranchType iType) const
void	labelsForToken (EDGetToken iToken, Labels &oLabels) const
void	modulesWhoseProductsAreConsumed (std::vector< ModuleDescription const * > &modules, ProductRegistry const &preg, std::map< std::string, ModuleDescription const * > const &labelsToDesc, std::string const &processName) const
EDConsumerBase const &	operator= (EDConsumerBase const &)=delete
EDConsumerBase &	operator= (EDConsumerBase &&)=default
bool	registeredToConsume (ProductResolverIndex, bool, BranchType) const
bool	registeredToConsumeMany (TypeID const &, BranchType) const
void	updateLookup (BranchType iBranchType, ProductResolverIndexHelper const &, bool iPrefetchMayGet)
virtual	~EDConsumerBase () noexcept(false)

Private Attributes
edm::EDGetTokenT< std::vector< reco::CompositeCandidate > >	srcZCand_

Additional Inherited Members
Public Types inherited from edm::global::EDProducerBase
typedef EDProducerBase	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::global::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

Definition at line 27 of file ZllArbitrator.cc.

Constructor & Destructor Documentation

ZllArbitrator::ZllArbitrator ( edm::ParameterSet const &  iConfig )

explicit

Definition at line 42 of file ZllArbitrator.cc.

References edm::ParameterSet::getParameter().

  : srcZCand_{consumes<std::vector<reco::CompositeCandidate>>(iConfig.getParameter<edm::InputTag>("ZCandidateCollection"))}
{
  produces<std::vector<reco::CompositeCandidate>>();
}

Member Function Documentation

void ZllArbitrator::produce ( edm::StreamID  , edm::Event &  iEvent, edm::EventSetup const &    ) const

overridevirtual

Implements edm::global::EDProducerBase.

Definition at line 53 of file ZllArbitrator.cc.

References funct::abs(), constexpr, edm::Event::getByToken(), eostools::move(), edm::Event::put(), and srcZCand_.

{
  edm::Handle<std::vector<reco::CompositeCandidate>> zCandidates;
  iEvent.getByToken(srcZCand_,zCandidates);

  auto bestZ = std::make_unique<std::vector<reco::CompositeCandidate>>();
  if (!zCandidates->empty()) {
    // If you're going to hard-code numbers, at least make them constexpr.
    double constexpr ZmassPDG  {91.18}; // GeV

    auto bestZCand = std::min_element(std::cbegin(*zCandidates), std::cend(*zCandidates),
                                      [ZmassPDG](auto const& firstCand, auto const& secondCand) {
                                        return std::abs(firstCand.mass()-ZmassPDG) < std::abs(secondCand.mass()-ZmassPDG);
                                      });
    bestZ->push_back(*bestZCand);
  }

  iEvent.put(std::move(bestZ));
}

Member Data Documentation

edm::EDGetTokenT<std::vector<reco::CompositeCandidate> > ZllArbitrator::srcZCand_

private

Definition at line 34 of file ZllArbitrator.cc.

Referenced by produce().