Transfers the JetFlavourInfos from the original GenJets to the slimmedGenJets in MiniAOD. More...

Inheritance diagram for pat::GenJetFlavourInfoPreserver:

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

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

	~GenJetFlavourInfoPreserver () override

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

bool	hasAbilityToProduceInBeginLumis () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndRuns () const final

Private Attributes
const edm::EDGetTokenT< reco::JetFlavourInfoMatchingCollection >	genJetFlavourInfosToken_

const edm::EDGetTokenT< edm::View< reco::GenJet > >	genJetsToken_

const edm::EDGetTokenT< edm::Association< std::vector< reco::GenJet > > >	slimmedGenJetAssociationToken_

const edm::EDGetTokenT< edm::View< reco::Jet > >	slimmedGenJetsToken_

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

Detailed Description

Transfers the JetFlavourInfos from the original GenJets to the slimmedGenJets in MiniAOD.

Author: Andrej Saibel, andre.nosp@m.j.sa.nosp@m.ibel@.nosp@m.cern.nosp@m..ch

Definition at line 25 of file GenJetFlavourInfoPreserver.cc.

Constructor & Destructor Documentation

◆ GenJetFlavourInfoPreserver()

pat::GenJetFlavourInfoPreserver::GenJetFlavourInfoPreserver ( const edm::ParameterSet & iConfig )

explicit

Definition at line 42 of file GenJetFlavourInfoPreserver.cc.

     : genJetsToken_(consumes<edm::View<reco::GenJet> >(iConfig.getParameter<edm::InputTag>("genJets"))),
       slimmedGenJetsToken_(consumes<edm::View<reco::Jet> >(iConfig.getParameter<edm::InputTag>("slimmedGenJets"))),
       genJetFlavourInfosToken_(
           consumes<reco::JetFlavourInfoMatchingCollection>(iConfig.getParameter<edm::InputTag>("genJetFlavourInfos"))),
       slimmedGenJetAssociationToken_(consumes<edm::Association<std::vector<reco::GenJet> > >(
           iConfig.getParameter<edm::InputTag>("slimmedGenJetAssociation"))) {
   produces<reco::JetFlavourInfoMatchingCollection>();
 }

◆ ~GenJetFlavourInfoPreserver()

pat::GenJetFlavourInfoPreserver::~GenJetFlavourInfoPreserver ( )

inlineoverride

Definition at line 28 of file GenJetFlavourInfoPreserver.cc.

28 {}

Member Function Documentation

◆ produce()

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

override

Definition at line 52 of file GenJetFlavourInfoPreserver.cc.

                                                                                          {
   using namespace edm;
   using namespace std;
  
   Handle<View<reco::GenJet> > genJets;
   iEvent.getByToken(genJetsToken_, genJets);
  
   Handle<View<reco::Jet> > slimmedGenJets;
   iEvent.getByToken(slimmedGenJetsToken_, slimmedGenJets);
  
   Handle<reco::JetFlavourInfoMatchingCollection> genJetFlavourInfos;
   iEvent.getByToken(genJetFlavourInfosToken_, genJetFlavourInfos);
  
   Handle<edm::Association<std::vector<reco::GenJet> > > slimmedGenJetAssociation;
   iEvent.getByToken(slimmedGenJetAssociationToken_, slimmedGenJetAssociation);
  
   auto jetFlavourInfos = std::make_unique<reco::JetFlavourInfoMatchingCollection>(reco::JetRefBaseProd(slimmedGenJets));
   assert(genJets->size() == genJetFlavourInfos->size());
  
   edm::Ref<std::vector<reco::GenJet> > slimmedGenJetRef;
  
   for (unsigned int i = 0; i < genJets->size(); ++i) {
     slimmedGenJetRef = (*slimmedGenJetAssociation)[genJets->refAt(i)];
     if (!slimmedGenJetRef)
       continue;
     (*jetFlavourInfos)[reco::JetBaseRef(slimmedGenJetRef)] = (*genJetFlavourInfos)[i].second;
   }
  
   iEvent.put(std::move(jetFlavourInfos));
 }