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

Inheritance diagram for pat::PATJetProducer:

Public Member Functions
	PATJetProducer (const edm::ParameterSet &iConfig)

virtual void	produce (edm::Event &iEvent, const edm::EventSetup &iSetup) override

	~PATJetProducer ()

Public Member Functions inherited from edm::stream::EDProducer<>
	EDProducer ()=default

Public Member Functions inherited from edm::stream::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)

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)

Static Public Member Functions
static void	fillDescriptions (edm::ConfigurationDescriptions &descriptions)

Static Public Member Functions inherited from edm::stream::EDProducerBase
static const std::string &	baseType ()

static void	fillDescriptions (ConfigurationDescriptions &descriptions)

static void	prevalidate (ConfigurationDescriptions &descriptions)

Private Attributes
bool	addAssociatedTracks_

bool	addBTagInfo_

bool	addDiscriminators_

bool	addEfficiencies_

bool	addGenJetMatch_

bool	addGenPartonMatch_

bool	addJetCharge_

bool	addJetCorrFactors_

bool	addJetFlavourInfo_

bool	addJetID_

bool	addPartonJetMatch_

bool	addResolutions_

bool	addTagInfos_

GreaterByPt< CaloTower >	caloPTComparator_

std::vector< std::string >	discriminatorLabels_

std::vector< edm::InputTag >	discriminatorTags_

std::vector< edm::EDGetTokenT< reco::JetFloatAssociation::Container > >	discriminatorTokens_

pat::helper::EfficiencyLoader	efficiencyLoader_

bool	embedCaloTowers_

bool	embedGenJetMatch_

bool	embedGenPartonMatch_

bool	embedPFCandidates_

edm::EDGetTokenT< edm::Association< reco::GenJetCollection > >	genJetToken_

edm::EDGetTokenT< edm::Association< reco::GenParticleCollection > >	genPartonToken_

bool	getJetMCFlavour_

edm::EDGetTokenT< reco::JetFloatAssociation::Container >	jetChargeToken_

std::vector< edm::EDGetTokenT< edm::ValueMap< JetCorrFactors > > >	jetCorrFactorsTokens_

edm::EDGetTokenT< reco::JetFlavourInfoMatchingCollection >	jetFlavourInfoToken_

edm::EDGetTokenT< reco::JetIDValueMap >	jetIDMapToken_

edm::EDGetTokenT< reco::JetFlavourMatchingCollection >	jetPartonMapToken_

edm::EDGetTokenT< edm::View< reco::Jet > >	jetsToken_

bool	printWarning_

GreaterByPt< Jet >	pTComparator_

pat::helper::KinResolutionsLoader	resolutionLoader_

std::vector< std::string >	tagInfoLabels_

std::vector< edm::InputTag >	tagInfoTags_

std::vector< edm::EDGetTokenT< edm::View< reco::BaseTagInfo > > >	tagInfoTokens_

edm::EDGetTokenT< reco::JetTracksAssociation::Container >	trackAssociationToken_

bool	useLegacyJetMCFlavour_

pat::PATUserDataHelper< pat::Jet >	userDataHelper_

bool	useUserData_

Additional Inherited Members
Public Types inherited from edm::stream::EDProducer<>
typedef CacheContexts< T... >	CacheTypes

typedef CacheTypes::GlobalCache	GlobalCache

typedef AbilityChecker< T... >	HasAbility

typedef CacheTypes::LuminosityBlockCache	LuminosityBlockCache

typedef LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCache >	LuminosityBlockContext

typedef CacheTypes::LuminosityBlockSummaryCache	LuminosityBlockSummaryCache

typedef CacheTypes::RunCache	RunCache

typedef RunContextT< RunCache, GlobalCache >	RunContext

typedef CacheTypes::RunSummaryCache	RunSummaryCache

Public Types inherited from edm::stream::EDProducerBase
typedef EDProducerAdaptorBase	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

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

Produces pat::Jet's.

The PATJetProducer produces analysis-level pat::Jet's starting from a collection of objects of JetType.

Author: Steven Lowette, Jeremy Andrea

Version

Id: PATJetProducer.h,v 1.26 2010/08/09 18:13:54 srappocc Exp

Definition at line 47 of file PATJetProducer.h.

Constructor & Destructor Documentation

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

explicit

Definition at line 42 of file PATJetProducer.cc.

References addAssociatedTracks_, addBTagInfo_, addDiscriminators_, addEfficiencies_, addGenJetMatch_, addGenPartonMatch_, addJetCharge_, addJetCorrFactors_, addJetFlavourInfo_, addJetID_, addPartonJetMatch_, addResolutions_, addTagInfos_, edm::EDConsumerBase::consumesCollector(), discriminatorLabels_, discriminatorTags_, discriminatorTokens_, efficiencyLoader_, embedCaloTowers_, embedGenJetMatch_, embedGenPartonMatch_, embedPFCandidates_, edm::ParameterSet::exists(), genJetToken_, genPartonToken_, getJetMCFlavour_, edm::ParameterSet::getParameter(), jetChargeToken_, jetCorrFactorsTokens_, jetFlavourInfoToken_, jetIDMapToken_, jetPartonMapToken_, jetsToken_, diffTwoXMLs::label, resolutionLoader_, AlCaHLTBitMon_QueryRunRegistry::string, GlobalPosition_Frontier_DevDB_cff::tag, tagInfoLabels_, tagInfoTags_, tagInfoTokens_, trackAssociationToken_, useLegacyJetMCFlavour_, userDataHelper_, useUserData_, and edm::vector_transform().

                                                               :
   useUserData_(iConfig.exists("userData")),
   printWarning_(true)
 {
   // initialize configurables
   jetsToken_ = consumes<edm::View<reco::Jet> >(iConfig.getParameter<edm::InputTag>( "jetSource" ));
   embedCaloTowers_ = false; // parameter is optional
   if ( iConfig.exists("embedCaloTowers") ) {
     embedCaloTowers_ = iConfig.getParameter<bool>( "embedCaloTowers" );
   }
   embedPFCandidates_ = iConfig.getParameter<bool>( "embedPFCandidates" );
   getJetMCFlavour_ = iConfig.getParameter<bool>( "getJetMCFlavour" );
   useLegacyJetMCFlavour_ = iConfig.getParameter<bool>( "useLegacyJetMCFlavour" );
   addJetFlavourInfo_ = ( useLegacyJetMCFlavour_ ? false : iConfig.getParameter<bool>( "addJetFlavourInfo" ) );
   if (getJetMCFlavour_ && useLegacyJetMCFlavour_)
     jetPartonMapToken_ = consumes<reco::JetFlavourMatchingCollection>(iConfig.getParameter<edm::InputTag>( "JetPartonMapSource" ));
   else if (getJetMCFlavour_ && !useLegacyJetMCFlavour_)
     jetFlavourInfoToken_ = consumes<reco::JetFlavourInfoMatchingCollection>(iConfig.getParameter<edm::InputTag>( "JetFlavourInfoSource" ));
   addGenPartonMatch_ = iConfig.getParameter<bool>( "addGenPartonMatch" );
   embedGenPartonMatch_ = iConfig.getParameter<bool>( "embedGenPartonMatch" );
   if (addGenPartonMatch_)
     genPartonToken_ = consumes<edm::Association<reco::GenParticleCollection> >(iConfig.getParameter<edm::InputTag>( "genPartonMatch" ));
   addGenJetMatch_ = iConfig.getParameter<bool>( "addGenJetMatch" );
   embedGenJetMatch_ = iConfig.getParameter<bool>( "embedGenJetMatch" );
   if (addGenJetMatch_)
     genJetToken_ = consumes<edm::Association<reco::GenJetCollection> >(iConfig.getParameter<edm::InputTag>( "genJetMatch" ));
   addPartonJetMatch_ = iConfig.getParameter<bool>( "addPartonJetMatch" );
 //   partonJetToken_ = mayConsume<reco::SomePartonJetType>(iConfig.getParameter<edm::InputTag>( "partonJetSource" ));
   addJetCorrFactors_ = iConfig.getParameter<bool>( "addJetCorrFactors" );
   if( addJetCorrFactors_ ) {
     jetCorrFactorsTokens_ = edm::vector_transform(iConfig.getParameter<std::vector<edm::InputTag> >( "jetCorrFactorsSource" ), [this](edm::InputTag const & tag){return consumes<edm::ValueMap<JetCorrFactors> >(tag);});
   }
   addBTagInfo_ = iConfig.getParameter<bool>( "addBTagInfo" );
   addDiscriminators_ = iConfig.getParameter<bool>( "addDiscriminators" );
   discriminatorTags_ = iConfig.getParameter<std::vector<edm::InputTag> >( "discriminatorSources" );
   discriminatorTokens_ = edm::vector_transform(discriminatorTags_, [this](edm::InputTag const & tag){return mayConsume<reco::JetFloatAssociation::Container>(tag);});
   addTagInfos_ = iConfig.getParameter<bool>( "addTagInfos" );
   tagInfoTags_ = iConfig.getParameter<std::vector<edm::InputTag> >( "tagInfoSources" );
   tagInfoTokens_ =edm::vector_transform(tagInfoTags_, [this](edm::InputTag const & tag){return mayConsume<edm::View<reco::BaseTagInfo> >(tag);});
   addAssociatedTracks_ = iConfig.getParameter<bool>( "addAssociatedTracks" );
   if (addAssociatedTracks_)
     trackAssociationToken_ = consumes<reco::JetTracksAssociation::Container>(iConfig.getParameter<edm::InputTag>( "trackAssociationSource" ));
   addJetCharge_ = iConfig.getParameter<bool>( "addJetCharge" );
   if (addJetCharge_)
     jetChargeToken_ = consumes<reco::JetFloatAssociation::Container>(iConfig.getParameter<edm::InputTag>( "jetChargeSource" ));
   addJetID_ = iConfig.getParameter<bool>( "addJetID");
   if (addJetID_)
     jetIDMapToken_ = consumes<reco::JetIDValueMap>(iConfig.getParameter<edm::InputTag>( "jetIDMap"));
   // Efficiency configurables
   addEfficiencies_ = iConfig.getParameter<bool>("addEfficiencies");
   if (addEfficiencies_) {
      efficiencyLoader_ = pat::helper::EfficiencyLoader(iConfig.getParameter<edm::ParameterSet>("efficiencies"), consumesCollector());
   }
   // Resolution configurables
   addResolutions_ = iConfig.getParameter<bool>("addResolutions");
   if (addResolutions_) {
      resolutionLoader_ = pat::helper::KinResolutionsLoader(iConfig.getParameter<edm::ParameterSet>("resolutions"));
   }
   if (discriminatorTags_.empty()) {
     addDiscriminators_ = false;
   } else {
     for (std::vector<edm::InputTag>::const_iterator it = discriminatorTags_.begin(), ed = discriminatorTags_.end(); it != ed; ++it) {
         std::string label = it->label();
         std::string::size_type pos = label.find("JetTags");
         if ((pos !=  std::string::npos) && (pos != label.length() - 7)) {
             label.erase(pos+7); // trim a tail after "JetTags"
         }
         if(!it->instance().empty()) {
             label = (label+std::string(":")+it->instance()); 
         }
         discriminatorLabels_.push_back(label);
     }
   }
   if (tagInfoTags_.empty()) {
     addTagInfos_ = false;
   } else {
     for (std::vector<edm::InputTag>::const_iterator it = tagInfoTags_.begin(), ed = tagInfoTags_.end(); it != ed; ++it) {
         std::string label = it->label();
         std::string::size_type pos = label.find("TagInfos");
         if ((pos !=  std::string::npos) && (pos != label.length() - 8)) {
             label.erase(pos+8); // trim a tail after "TagInfos"
         }
         tagInfoLabels_.push_back(label);
     }
   }
   if (!addBTagInfo_) { addDiscriminators_ = false; addTagInfos_ = false; }
   // Check to see if the user wants to add user data
   if ( useUserData_ ) {
     userDataHelper_ = PATUserDataHelper<Jet>(iConfig.getParameter<edm::ParameterSet>("userData"), consumesCollector());
   }
   // produces vector of jets
   produces<std::vector<Jet> >();
   produces<reco::GenJetCollection> ("genJets");
   produces<std::vector<CaloTower>  > ("caloTowers");
   produces<reco::PFCandidateCollection > ("pfCandidates");
   produces<edm::OwnVector<reco::BaseTagInfo> > ("tagInfos");
 }

PATJetProducer::~PATJetProducer ( )

Definition at line 141 of file PATJetProducer.cc.

                                 {
 
 }

Member Function Documentation

void PATJetProducer::fillDescriptions ( edm::ConfigurationDescriptions & descriptions )

static

Definition at line 431 of file PATJetProducer.cc.

References edm::ConfigurationDescriptions::add(), edm::ParameterSetDescription::add(), edm::ParameterSetDescription::addOptional(), DEFINE_FWK_MODULE, pat::helper::KinResolutionsLoader::fillDescription(), pat::PATUserDataHelper< ObjectType >::fillDescription(), edm::ParameterSetDescription::setAllowAnything(), and edm::ParameterSetDescription::setComment().

 {
   edm::ParameterSetDescription iDesc;
   iDesc.setComment("PAT jet producer module");
 
   // input source
   iDesc.add<edm::InputTag>("jetSource", edm::InputTag("no default"))->setComment("input collection");
 
   // embedding
   iDesc.addOptional<bool>("embedCaloTowers", false)->setComment("embed external CaloTowers (not to be used on AOD input)");
   iDesc.add<bool>("embedPFCandidates", true)->setComment("embed external PFCandidates");
 
   // MC matching configurables
   iDesc.add<bool>("addGenPartonMatch", true)->setComment("add MC matching");
   iDesc.add<bool>("embedGenPartonMatch", false)->setComment("embed MC matched MC information");
   iDesc.add<edm::InputTag>("genPartonMatch", edm::InputTag())->setComment("input with MC match information");
 
   iDesc.add<bool>("addGenJetMatch", true)->setComment("add MC matching");
   iDesc.add<bool>("embedGenJetMatch", false)->setComment("embed MC matched MC information");
   iDesc.add<edm::InputTag>("genJetMatch", edm::InputTag())->setComment("input with MC match information");
 
   iDesc.add<bool>("addJetCharge", true);
   iDesc.add<edm::InputTag>("jetChargeSource", edm::InputTag("patJetCharge"));
 
   // jet id
   iDesc.add<bool>("addJetID", true)->setComment("Add jet ID information");
   iDesc.add<edm::InputTag>("jetIDMap", edm::InputTag())->setComment("jet id map");
 
   iDesc.add<bool>("addPartonJetMatch", false);
   iDesc.add<edm::InputTag>("partonJetSource", edm::InputTag("NOT IMPLEMENTED"));
 
   // track association
   iDesc.add<bool>("addAssociatedTracks", true);
   iDesc.add<edm::InputTag>("trackAssociationSource", edm::InputTag("ak4JTA"));
 
   // tag info
   iDesc.add<bool>("addTagInfos", true);
   std::vector<edm::InputTag> emptyVInputTags;
   iDesc.add<std::vector<edm::InputTag> >("tagInfoSources", emptyVInputTags);
 
   // jet energy corrections
   iDesc.add<bool>("addJetCorrFactors", true);
   iDesc.add<std::vector<edm::InputTag> >("jetCorrFactorsSource", emptyVInputTags);
 
   // btag discriminator tags
   iDesc.add<bool>("addBTagInfo",true);
   iDesc.add<bool>("addDiscriminators", true);
   iDesc.add<std::vector<edm::InputTag> >("discriminatorSources", emptyVInputTags);
 
   // jet flavour idetification configurables
   iDesc.add<bool>("getJetMCFlavour", true);
   iDesc.add<bool>("useLegacyJetMCFlavour", false);
   iDesc.add<bool>("addJetFlavourInfo", false);
   iDesc.add<edm::InputTag>("JetPartonMapSource", edm::InputTag("jetFlavourAssociationLegacy"));
   iDesc.add<edm::InputTag>("JetFlavourInfoSource", edm::InputTag("jetFlavourAssociation"));
 
   pat::helper::KinResolutionsLoader::fillDescription(iDesc);
 
   // Efficiency configurables
   edm::ParameterSetDescription efficienciesPSet;
   efficienciesPSet.setAllowAnything(); // TODO: the pat helper needs to implement a description.
   iDesc.add("efficiencies", efficienciesPSet);
   iDesc.add<bool>("addEfficiencies", false);
 
   // Check to see if the user wants to add user data
   edm::ParameterSetDescription userDataPSet;
   PATUserDataHelper<Jet>::fillDescription(userDataPSet);
   iDesc.addOptional("userData", userDataPSet);
 
   descriptions.add("PATJetProducer", iDesc);
 }

void PATJetProducer::produce	(	edm::Event &	iEvent,
		const edm::EventSetup &	iSetup
	)

overridevirtual

Definition at line 146 of file PATJetProducer.cc.

References addAssociatedTracks_, pat::Jet::addBDiscriminatorPair(), addBTagInfo_, addDiscriminators_, addGenJetMatch_, addGenPartonMatch_, pat::Jet::addJECFactors(), addJetCharge_, addJetCorrFactors_, addJetFlavourInfo_, addJetID_, addPartonJetMatch_, pat::Jet::addTagInfo(), addTagInfos_, edm::View< T >::begin(), reco::BaseTagInfo::clone(), discriminatorLabels_, discriminatorTokens_, efficiencyLoader_, embedCaloTowers_, embedGenPartonMatch_, embedPFCandidates_, pat::helper::EfficiencyLoader::enabled(), pat::helper::KinResolutionsLoader::enabled(), edm::View< T >::end(), spr::find(), jetProducer_cfi::genJetMatch, genJetToken_, genPartonToken_, edm::RefToBase< T >::get(), edm::Event::getByToken(), reco::CaloJet::getCaloConstituents(), reco::JPTJet::getCaloJetRef(), getJetMCFlavour_, reco::PFJet::getPFConstituents(), edm::Event::getRefBeforePut(), mps_fire::i, training_settings::idx, pat::Jet::initializeJEC(), edm::Ref< C, T, F >::isAvailable(), pat::Jet::isCaloJet(), pat::Jet::isJPTJet(), edm::Ptr< T >::isNonnull(), edm::Ref< C, T, F >::isNonnull(), pat::Jet::isPFJet(), edm::EventBase::isRealData(), metsig::jet, jetChargeToken_, jetCorrFactorsTokens_, jetFlavourInfoToken_, jets_cff::jetId, jetIDMapToken_, jetPartonMapToken_, fwrapper::jets, jetsToken_, gen::k, jets_cff::levels, match(), eostools::move(), pat::helper::EfficiencyLoader::newEvent(), pat::helper::KinResolutionsLoader::newEvent(), hemisphereProducer_cfi::patJets, printWarning_, pTComparator_, edm::View< T >::ptrAt(), edm::Event::put(), resolutionLoader_, pat::Jet::setAssociatedTracks(), pat::Jet::setCaloTowers(), pat::helper::EfficiencyLoader::setEfficiencies(), pat::Jet::setGenJetRef(), pat::Jet::setGenParton(), pat::Jet::setHadronFlavour(), pat::Jet::setJetCharge(), pat::Jet::setJetFlavourInfo(), pat::Jet::setJetID(), pat::Jet::setPartonFlavour(), pat::Jet::setPFCandidates(), pat::helper::KinResolutionsLoader::setResolutions(), edm::View< T >::size(), tagInfoLabels_, tagInfoTokens_, trackAssociationToken_, useLegacyJetMCFlavour_, userDataHelper_, and useUserData_.

 {
   // check whether dealing with MC or real data
   if (iEvent.isRealData()){
     getJetMCFlavour_   = false;
     useLegacyJetMCFlavour_ = false;
     addJetFlavourInfo_ = false;
     addGenPartonMatch_ = false;
     addGenJetMatch_    = false;
     addPartonJetMatch_ = false;
   }
 
   // Get the vector of jets
   edm::Handle<edm::View<reco::Jet> > jets;
   iEvent.getByToken(jetsToken_, jets);
 
   if (efficiencyLoader_.enabled()) efficiencyLoader_.newEvent(iEvent);
   if (resolutionLoader_.enabled()) resolutionLoader_.newEvent(iEvent, iSetup);
 
   // for jet flavour
   edm::Handle<reco::JetFlavourMatchingCollection> jetFlavMatch;
   edm::Handle<reco::JetFlavourInfoMatchingCollection> jetFlavInfoMatch;
   if (getJetMCFlavour_ && useLegacyJetMCFlavour_) iEvent.getByToken (jetPartonMapToken_, jetFlavMatch);
   else if (getJetMCFlavour_ && !useLegacyJetMCFlavour_) iEvent.getByToken (jetFlavourInfoToken_, jetFlavInfoMatch);
 
   // Get the vector of generated particles from the event if needed
   edm::Handle<edm::Association<reco::GenParticleCollection> > partonMatch;
   if (addGenPartonMatch_) iEvent.getByToken(genPartonToken_,  partonMatch);
   // Get the vector of GenJets from the event if needed
   edm::Handle<edm::Association<reco::GenJetCollection> > genJetMatch;
   if (addGenJetMatch_) iEvent.getByToken(genJetToken_, genJetMatch);
 /* TO BE IMPLEMENTED FOR >= 1_5_X
   // Get the vector of PartonJets from the event if needed
   edm::Handle<edm::View<reco::SomePartonJetType> > partonJets;
   if (addPartonJetMatch_) iEvent.getByToken(partonJetToken_, partonJets);
 */
 
   // read in the jet correction factors ValueMap
   std::vector<edm::ValueMap<JetCorrFactors> > jetCorrs;
   if (addJetCorrFactors_) {
     for ( size_t i = 0; i < jetCorrFactorsTokens_.size(); ++i ) {
       edm::Handle<edm::ValueMap<JetCorrFactors> > jetCorr;
       iEvent.getByToken(jetCorrFactorsTokens_[i], jetCorr);
       jetCorrs.push_back( *jetCorr );
     }
   }
 
   // Get the vector of jet tags with b-tagging info
   std::vector<edm::Handle<reco::JetFloatAssociation::Container> > jetDiscriminators;
   if (addBTagInfo_ && addDiscriminators_) {
     jetDiscriminators.resize(discriminatorTokens_.size());
     for (size_t i = 0; i < discriminatorTokens_.size(); ++i) {
         iEvent.getByToken(discriminatorTokens_[i], jetDiscriminators[i]);
     }
   }
   std::vector<edm::Handle<edm::View<reco::BaseTagInfo> > > jetTagInfos;
   if (addBTagInfo_ && addTagInfos_) {
     jetTagInfos.resize(tagInfoTokens_.size());
     for (size_t i = 0; i < tagInfoTokens_.size(); ++i) {
       iEvent.getByToken(tagInfoTokens_[i], jetTagInfos[i]);
     }
   }
 
   // tracks Jet Track Association
   edm::Handle<reco::JetTracksAssociation::Container > hTrackAss;
   if (addAssociatedTracks_) iEvent.getByToken(trackAssociationToken_, hTrackAss);
   edm::Handle<reco::JetFloatAssociation::Container > hJetChargeAss;
   if (addJetCharge_) iEvent.getByToken(jetChargeToken_, hJetChargeAss);
 
   // jet ID handle
   edm::Handle<reco::JetIDValueMap> hJetIDMap;
   if ( addJetID_ ) iEvent.getByToken( jetIDMapToken_, hJetIDMap );
 
   // loop over jets
   auto patJets = std::make_unique<std::vector<Jet>>();
 
   auto genJetsOut = std::make_unique<reco::GenJetCollection>();
   auto caloTowersOut = std::make_unique<std::vector<CaloTower>>();
   auto pfCandidatesOut = std::make_unique<reco::PFCandidateCollection>();
   auto tagInfosOut = std::make_unique<edm::OwnVector<reco::BaseTagInfo>>();
 
 
   edm::RefProd<reco::GenJetCollection > h_genJetsOut = iEvent.getRefBeforePut<reco::GenJetCollection >( "genJets" );
   edm::RefProd<std::vector<CaloTower>  >  h_caloTowersOut = iEvent.getRefBeforePut<std::vector<CaloTower>  > ( "caloTowers" );
   edm::RefProd<reco::PFCandidateCollection > h_pfCandidatesOut = iEvent.getRefBeforePut<reco::PFCandidateCollection > ( "pfCandidates" );
   edm::RefProd<edm::OwnVector<reco::BaseTagInfo> > h_tagInfosOut = iEvent.getRefBeforePut<edm::OwnVector<reco::BaseTagInfo> > ( "tagInfos" );
 
   for (edm::View<reco::Jet>::const_iterator itJet = jets->begin(); itJet != jets->end(); itJet++) {
 
     // construct the Jet from the ref -> save ref to original object
     unsigned int idx = itJet - jets->begin();
     edm::RefToBase<reco::Jet> jetRef = jets->refAt(idx);
     edm::Ptr<reco::Jet> jetPtr = jets->ptrAt(idx);
     Jet ajet(jetRef);
 
     // add the FwdPtrs to the CaloTowers
     if ( (ajet.isCaloJet() || ajet.isJPTJet() ) && embedCaloTowers_) {
       const reco::CaloJet *cj = nullptr;
       const reco::JPTJet * jptj = nullptr;
       if ( ajet.isCaloJet()) cj = dynamic_cast<const reco::CaloJet *>(jetRef.get());
       else {
     jptj = dynamic_cast<const reco::JPTJet *>(jetRef.get() );
     cj = dynamic_cast<const reco::CaloJet *>(jptj->getCaloJetRef().get() );
       }
       pat::CaloTowerFwdPtrCollection itowersRef;
       std::vector< CaloTowerPtr > itowers = cj->getCaloConstituents();
       for ( std::vector<CaloTowerPtr>::const_iterator towBegin = itowers.begin(), towEnd = itowers.end(), itow = towBegin; itow != towEnd; ++itow ) {
     if( itow->isAvailable() && itow->isNonnull() ){
       caloTowersOut->push_back( **itow );
       // set the "forward" ref to the thinned collection
       edm::Ref<std::vector<CaloTower> > caloTowerRef( h_caloTowersOut, caloTowersOut->size() - 1);
       edm::Ptr<CaloTower> caloForwardRef ( h_caloTowersOut.id(), caloTowerRef.key(), h_caloTowersOut.productGetter() );
       // set the "backward" ref to the original collection for association
       edm::Ptr<CaloTower> caloBackRef ( *itow );
       // add to the list of FwdPtr's
       itowersRef.push_back( pat::CaloTowerFwdPtrCollection::value_type ( caloForwardRef, caloBackRef ) );
     }
       }
       ajet.setCaloTowers( itowersRef );
     }
 
     // add the FwdPtrs to the PFCandidates
     if (ajet.isPFJet() && embedPFCandidates_) {
       const reco::PFJet *cj = dynamic_cast<const reco::PFJet *>(jetRef.get());
       pat::PFCandidateFwdPtrCollection iparticlesRef;
       std::vector< reco::PFCandidatePtr > iparticles = cj->getPFConstituents();
       for ( std::vector<reco::PFCandidatePtr>::const_iterator partBegin = iparticles.begin(),
           partEnd = iparticles.end(), ipart = partBegin;
         ipart != partEnd; ++ipart ) {
     pfCandidatesOut->push_back( **ipart );
     // set the "forward" ref to the thinned collection
     edm::Ref<reco::PFCandidateCollection> pfCollectionRef( h_pfCandidatesOut, pfCandidatesOut->size() - 1);
     edm::Ptr<reco::PFCandidate> pfForwardRef ( h_pfCandidatesOut.id(), pfCollectionRef.key(),  h_pfCandidatesOut.productGetter() );
     // set the "backward" ref to the original collection for association
     edm::Ptr<reco::PFCandidate> pfBackRef ( *ipart );
     // add to the list of FwdPtr's
     iparticlesRef.push_back( pat::PFCandidateFwdPtrCollection::value_type ( pfForwardRef, pfBackRef ) );
       }
       ajet.setPFCandidates( iparticlesRef );
     }
 
     if (addJetCorrFactors_) {
       // add additional JetCorrs to the jet
       for ( unsigned int i=0; i<jetCorrFactorsTokens_.size(); ++i ) {
     const JetCorrFactors& jcf = jetCorrs[i][jetRef];
     // uncomment for debugging
     // jcf.print();
     ajet.addJECFactors(jcf);
       }
       std::vector<std::string> levels = jetCorrs[0][jetRef].correctionLabels();
       if(std::find(levels.begin(), levels.end(), "L2L3Residual")!=levels.end()){
     ajet.initializeJEC(jetCorrs[0][jetRef].jecLevel("L2L3Residual"));
       }
       else if(std::find(levels.begin(), levels.end(), "L3Absolute")!=levels.end()){
     ajet.initializeJEC(jetCorrs[0][jetRef].jecLevel("L3Absolute"));
       }
       else{
     ajet.initializeJEC(jetCorrs[0][jetRef].jecLevel("Uncorrected"));
     if(printWarning_){
       edm::LogWarning("L3Absolute not found") << "L2L3Residual and L3Absolute are not part of the jetCorrFactors\n"
                           << "of module " <<  jetCorrs[0][jetRef].jecSet() << ". Jets will remain"
                           << " uncorrected."; printWarning_=false;
     }
       }
     }
 
     // get the MC flavour information for this jet
     if (getJetMCFlavour_ && useLegacyJetMCFlavour_) {
         ajet.setPartonFlavour( (*jetFlavMatch)[edm::RefToBase<reco::Jet>(jetRef)].getFlavour() );
     }
     else if (getJetMCFlavour_ && !useLegacyJetMCFlavour_) {
         if ( addJetFlavourInfo_ ) ajet.setJetFlavourInfo( (*jetFlavInfoMatch)[edm::RefToBase<reco::Jet>(jetRef)] );
         else
         {
           ajet.setPartonFlavour( (*jetFlavInfoMatch)[edm::RefToBase<reco::Jet>(jetRef)].getPartonFlavour() );
           ajet.setHadronFlavour( (*jetFlavInfoMatch)[edm::RefToBase<reco::Jet>(jetRef)].getHadronFlavour() );
         }
     }
     // store the match to the generated partons
     if (addGenPartonMatch_) {
       reco::GenParticleRef parton = (*partonMatch)[jetRef];
       if (parton.isNonnull() && parton.isAvailable()) {
           ajet.setGenParton(parton, embedGenPartonMatch_);
       } // leave empty if no match found
     }
     // store the match to the GenJets
     if (addGenJetMatch_) {
       reco::GenJetRef genjet = (*genJetMatch)[jetRef];
       if (genjet.isNonnull() && genjet.isAvailable()) {
     genJetsOut->push_back( *genjet );
     // set the "forward" ref to the thinned collection
     edm::Ref<reco::GenJetCollection > genForwardRef ( h_genJetsOut, genJetsOut->size() - 1 );
     // set the "backward" ref to the original collection
     const edm::Ref<reco::GenJetCollection >& genBackRef ( genjet );
     // make the FwdPtr
     edm::FwdRef<reco::GenJetCollection > genjetFwdRef ( genForwardRef, genBackRef );
     ajet.setGenJetRef(genjetFwdRef );
       } // leave empty if no match found
     }
 
     if (efficiencyLoader_.enabled()) {
         efficiencyLoader_.setEfficiencies( ajet, jetRef );
     }
 
     // IMPORTANT: DO THIS AFTER JES CORRECTIONS
     if (resolutionLoader_.enabled()) {
         resolutionLoader_.setResolutions(ajet);
     }
 
     // TO BE IMPLEMENTED FOR >=1_5_X: do the PartonJet matching
     if (addPartonJetMatch_) {
     }
 
     // add b-tag info if available & required
     if (addBTagInfo_) {
         if (addDiscriminators_) {
             for (size_t k=0; k<jetDiscriminators.size(); ++k) {
                 float value = (*jetDiscriminators[k])[jetRef];
                 ajet.addBDiscriminatorPair(std::make_pair(discriminatorLabels_[k], value));
             }
         }
         if (addTagInfos_) {
       for (size_t k=0; k<jetTagInfos.size(); ++k) {
         const edm::View<reco::BaseTagInfo> & taginfos = *jetTagInfos[k];
         // This is not associative, so we have to search the jet
         edm::Ptr<reco::BaseTagInfo> match;
         // Try first by 'same index'
         if ((idx < taginfos.size()) && (taginfos[idx].jet() == jetRef)) {
           match = taginfos.ptrAt(idx);
         } else {
           // otherwise fail back to a simple search
           for (edm::View<reco::BaseTagInfo>::const_iterator itTI = taginfos.begin(), edTI = taginfos.end(); itTI != edTI; ++itTI) {
         if (itTI->jet() == jetRef) { match = taginfos.ptrAt( itTI - taginfos.begin() ); break; }
           }
         }
         if (match.isNonnull()) {
           tagInfosOut->push_back( match->clone() );
           // set the "forward" ptr to the thinned collection
           edm::Ptr<reco::BaseTagInfo> tagInfoForwardPtr ( h_tagInfosOut.id(), &tagInfosOut->back(), tagInfosOut->size() - 1 );
           // set the "backward" ptr to the original collection for association
           const edm::Ptr<reco::BaseTagInfo>& tagInfoBackPtr ( match );
           // make FwdPtr
           TagInfoFwdPtrCollection::value_type tagInfoFwdPtr( tagInfoForwardPtr, tagInfoBackPtr ) ;
           ajet.addTagInfo(tagInfoLabels_[k], tagInfoFwdPtr );
         }
       }
         }
     }
 
     if (addAssociatedTracks_) ajet.setAssociatedTracks( (*hTrackAss)[jetRef] );
 
     if (addJetCharge_) ajet.setJetCharge( (*hJetChargeAss)[jetRef] );
 
     // add jet ID for calo jets
     if (addJetID_ && ajet.isCaloJet() ) {
       reco::JetID jetId = (*hJetIDMap)[ jetRef ];
       ajet.setJetID( jetId );
     }
     // add jet ID jpt jets
     else if ( addJetID_ && ajet.isJPTJet() ){
       const reco::JPTJet *jptj = dynamic_cast<const reco::JPTJet *>(jetRef.get());
       reco::JetID jetId = (*hJetIDMap)[ jptj->getCaloJetRef() ];
       ajet.setJetID( jetId );
     }
     if ( useUserData_ ) {
       userDataHelper_.add( ajet, iEvent, iSetup );
     }
     patJets->push_back(ajet);
   }
 
   // sort jets in pt
   std::sort(patJets->begin(), patJets->end(), pTComparator_);
 
   // put genEvt  in Event
   iEvent.put(std::move(patJets));
 
   iEvent.put(std::move(genJetsOut), "genJets" );
   iEvent.put(std::move(caloTowersOut), "caloTowers" );
   iEvent.put(std::move(pfCandidatesOut), "pfCandidates" );
   iEvent.put(std::move(tagInfosOut), "tagInfos" );
 
 
 }