pat::GenMETExtractor Class Reference

Retrieves the genMET from a pat::MET. More...

#include "PhysicsTools/PatAlgos/interface/GenMETExtractor.h"

Inheritance diagram for pat::GenMETExtractor:

Public Member Functions
	GenMETExtractor (const edm::ParameterSet &iConfig)
void	produce (edm::StreamID streamID, edm::Event &iEvent, const edm::EventSetup &iSetup) const override
	~GenMETExtractor () override
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 () noexcept(false) 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
ESProxyIndex const *	esGetTokenIndices (edm::Transition iTrans) const
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)
void	updateLookup (eventsetup::ESRecordsToProxyIndices const &)
virtual	~EDConsumerBase () noexcept(false)

Private Attributes
edm::EDGetTokenT< std::vector< pat::MET > >	metSrcToken_

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 ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes ()
template<typename ESProduct , typename ESRecord , Transition Tr = Transition::Event>
auto	esConsumes (ESInputTag const &tag)
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

Retrieves the genMET from a pat::MET.

The GenMETExtractor produces the analysis-level pat::MET starting from a collection of objects of METType.

Author

Matthieu Marionneau

Version

Id

GenMETExtractor.h,v 1.0 2015/07/22 mmarionn Exp

Definition at line 28 of file GenMETExtractor.h.

Constructor & Destructor Documentation

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

explicit

Definition at line 10 of file GenMETExtractor.cc.

References edm::ParameterSet::getParameter(), and metSrcToken_.

                                                               {

  edm::InputTag metIT = iConfig.getParameter<edm::InputTag>("metSource");
  metSrcToken_ = consumes<pat::METCollection>(metIT);

  // produces vector of genMet
  produces<std::vector<reco::GenMET> >();
}

GenMETExtractor::~GenMETExtractor ( )

override

Definition at line 20 of file GenMETExtractor.cc.

                                  {

}

Member Function Documentation

void GenMETExtractor::produce ( edm::StreamID  streamID, edm::Event &  iEvent, const edm::EventSetup &  iSetup  ) const

override

Definition at line 25 of file GenMETExtractor.cc.

References DEFINE_FWK_MODULE, HepMCValidationHelper::genMet(), edm::Event::getByToken(), metSrcToken_, eostools::move(), edm::Event::put(), and TrackRefitter_38T_cff::src.

                                                      {

  edm::Handle<std::vector<pat::MET> >  src;
  iEvent.getByToken(metSrcToken_, src);
  if(src->empty()) edm::LogError("GenMETExtractor::produce") << "input genMET collection is empty" ;

  const reco::GenMET *genMet =  src->front().genMET();
  
  std::vector<reco::GenMET> *genMetCol = new std::vector<reco::GenMET>();
  genMetCol->push_back( (*genMet) );

  std::unique_ptr<std::vector<reco::GenMET> > genMETs(genMetCol);
  iEvent.put(std::move(genMETs));
}

Member Data Documentation

edm::EDGetTokenT<std::vector<pat::MET> > pat::GenMETExtractor::metSrcToken_

private

Definition at line 40 of file GenMETExtractor.h.

Referenced by GenMETExtractor(), and produce().