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pat::GenMETExtractor Class Reference

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

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

Inheritance diagram for pat::GenMETExtractor:
edm::global::EDProducer<> edm::global::EDProducerBase edm::ProducerBase edm::EDConsumerBase edm::ProductRegistryHelper

Public Member Functions

 GenMETExtractor (const edm::ParameterSet &iConfig)
 
virtual void produce (edm::StreamID streamID, edm::Event &iEvent, const edm::EventSetup &iSetup) const
 
 ~GenMETExtractor ()
 
- 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< ConsumesInfoconsumesInfo () const
 
 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
 
EDConsumerBaseoperator= (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< pat::MET > > metSrcToken_
 

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

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_.

10  {
11 
12  edm::InputTag metIT = iConfig.getParameter<edm::InputTag>("metSource");
13  metSrcToken_ = consumes<pat::METCollection>(metIT);
14 
15  // produces vector of genMet
16  produces<std::vector<reco::GenMET> >();
17 }
T getParameter(std::string const &) const
edm::EDGetTokenT< std::vector< pat::MET > > metSrcToken_
GenMETExtractor::~GenMETExtractor ( )

Definition at line 20 of file GenMETExtractor.cc.

20  {
21 
22 }

Member Function Documentation

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

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.

26  {
27 
29  iEvent.getByToken(metSrcToken_, src);
30  if(src->size()==0) edm::LogError("GenMETExtractor::produce") << "input genMET collection is empty" ;
31 
32  const reco::GenMET *genMet = src->front().genMET();
33 
34  std::vector<reco::GenMET> *genMetCol = new std::vector<reco::GenMET>();
35  genMetCol->push_back( (*genMet) );
36 
37  std::unique_ptr<std::vector<reco::GenMET> > genMETs(genMetCol);
38  iEvent.put(std::move(genMETs));
39 }
OrphanHandle< PROD > put(std::unique_ptr< PROD > product)
Put a new product.
Definition: Event.h:122
bool getByToken(EDGetToken token, Handle< PROD > &result) const
Definition: Event.h:460
TLorentzVector genMet(const HepMC::GenEvent *all, double etamin=-9999., double etamax=9999.)
def move(src, dest)
Definition: eostools.py:510
edm::EDGetTokenT< std::vector< pat::MET > > metSrcToken_

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().