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	hasAbilityToProduceInBeginProcessBlocks () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndProcessBlocks () 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));
 }