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
bool	hasAbilityToProduceInLumis () const final
bool	hasAbilityToProduceInRuns () const final
bool	wantsGlobalLuminosityBlocks () const final
bool	wantsGlobalRuns () const final
bool	wantsStreamLuminosityBlocks () const final
bool	wantsStreamRuns () const final
Public Member Functions inherited from edm::global::EDProducerBase
	EDProducerBase ()
ModuleDescription const &	moduleDescription () const
	~EDProducerBase () override
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 ()
std::vector< edm::ProductResolverIndex > const &	putTokenIndexToProductResolverIndex () const
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, ModuleToResolverIndicies const &iIndicies, std::string const &moduleLabel)
	~ProducerBase () override
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
ProductResolverIndexAndSkipBit	uncheckedIndexFrom (EDGetToken) 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
using	ModuleToResolverIndicies = std::unordered_multimap< std::string, std::tuple< edm::TypeID const *, const char *, edm::ProductResolverIndex >>
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().