Inheritance diagram for GenParticleDecaySelector:

Public Member Functions
	GenParticleDecaySelector (const edm::ParameterSet &)
	constructor More...

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

	EDProducer (const EDProducer &)=delete

bool	hasAbilityToProduceInBeginLumis () const final

bool	hasAbilityToProduceInBeginProcessBlocks () const final

bool	hasAbilityToProduceInBeginRuns () const final

bool	hasAbilityToProduceInEndLumis () const final

bool	hasAbilityToProduceInEndProcessBlocks () const final

bool	hasAbilityToProduceInEndRuns () const final

const EDProducer &	operator= (const EDProducer &)=delete

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

Private Member Functions
std::pair< reco::GenParticleRef, reco::GenParticle * >	add (reco::GenParticleCollection &, const reco::GenParticle &, reco::GenParticleRefProd)
	recursively add a new particle to the output collection More...

void	produce (edm::Event &e, const edm::EventSetup &) override
	process one event More...

Private Attributes
bool	firstEvent_

PdtEntry	particle_

edm::EDGetTokenT< reco::GenParticleCollection >	srcToken_
	source collection name More...

int	status_
	particle status More...

edm::ESGetToken< HepPDT::ParticleDataTable, edm::DefaultRecord >	tableToken_
	particle type More...

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

using	GlobalCache = typename CacheTypes::GlobalCache

using	HasAbility = AbilityChecker< T... >

using	InputProcessBlockCache = typename CacheTypes::InputProcessBlockCache

using	LuminosityBlockCache = typename CacheTypes::LuminosityBlockCache

using	LuminosityBlockContext = LuminosityBlockContextT< LuminosityBlockCache, RunCache, GlobalCache >

using	LuminosityBlockSummaryCache = typename CacheTypes::LuminosityBlockSummaryCache

using	RunCache = typename CacheTypes::RunCache

using	RunContext = RunContextT< RunCache, GlobalCache >

using	RunSummaryCache = typename CacheTypes::RunSummaryCache

Detailed Description

Definition at line 16 of file GenParticleDecaySelector.cc.

Constructor & Destructor Documentation

◆ GenParticleDecaySelector()

GenParticleDecaySelector::GenParticleDecaySelector ( const edm::ParameterSet & cfg )

constructor

Definition at line 51 of file GenParticleDecaySelector.cc.

     : firstEvent_(true),
       srcToken_(consumes<GenParticleCollection>(cfg.getParameter<InputTag>("src"))),
       tableToken_(esConsumes()),
       particle_(cfg.getParameter<PdtEntry>("particle")),
       status_(cfg.getParameter<int>("status")) {
   produces<GenParticleCollection>();
 }

Member Function Documentation

◆ add()

pair< GenParticleRef, GenParticle * > GenParticleDecaySelector::add	(	reco::GenParticleCollection &	decay,
		const reco::GenParticle &	p,
		reco::GenParticleRefProd	ref
	)

private

recursively add a new particle to the output collection

Definition at line 88 of file GenParticleDecaySelector.cc.

References ztail::d, WZElectronSkims53X_cff::decay, g, runTauDisplay::gp, mps_fire::i, heavyIonCSV_trainingSettings::idx, create_idmaps::n, AlCaHLTBitMon_ParallelJobs::p, and alignCSCRings::r.

Referenced by produce(), and counter.Counter::register().

                                                                                          {
   size_t idx = decay.size();
   GenParticleRef r(ref, idx);
   decay.resize(idx + 1);
   const LeafCandidate& part = p;
   GenParticle g(part);
   size_t n = p.numberOfDaughters();
   for (size_t i = 0; i < n; ++i) {
     pair<GenParticleRef, GenParticle*> d = add(decay, *p.daughterRef(i), ref);
     d.second->addMother(r);
     g.addDaughter(d.first);
   }
   GenParticle& gp = decay[idx] = g;
   return make_pair(r, &gp);
 }

◆ fillDescriptions()

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

static

Definition at line 60 of file GenParticleDecaySelector.cc.

References edm::ConfigurationDescriptions::addDefault(), and submitPVResolutionJobs::desc.

                                                                                           {
   edm::ParameterSetDescription desc;
   desc.add<edm::InputTag>("src");
   desc.addNode(edm::ParameterDescription<int>("particle", true) xor
                edm::ParameterDescription<std::string>("particle", true))
       ->setComment("the PdtEntry can be specified as either an 'int' or via its name using a 'string'");
   desc.add<int>("status");
 
   descriptions.addDefault(desc);
 }

◆ produce()

void GenParticleDecaySelector::produce	(	edm::Event &	e,
		const edm::EventSetup &	es
	)

overrideprivate

process one event

Definition at line 71 of file GenParticleDecaySelector.cc.

References add(), WZElectronSkims53X_cff::decay, firstEvent_, g, AJJGenJetFilter_cfi::genParticles, edm::Event::getByToken(), edm::EventSetup::getData(), edm::Event::getRefBeforePut(), eostools::move(), particle_, PdtEntry::pdgId(), edm::Event::put(), PdtEntry::setup(), srcToken_, status_, and tableToken_.

                                                                              {
   if (firstEvent_) {
     auto const& pdt = es.getData(tableToken_);
     particle_.setup(pdt);
     firstEvent_ = false;
   }
 
   Handle<GenParticleCollection> genParticles;
   evt.getByToken(srcToken_, genParticles);
   auto decay = std::make_unique<GenParticleCollection>();
   const GenParticleRefProd ref = evt.getRefBeforePut<GenParticleCollection>();
   for (GenParticleCollection::const_iterator g = genParticles->begin(); g != genParticles->end(); ++g)
     if (g->pdgId() == particle_.pdgId() && g->status() == status_)
       add(*decay, *g, ref);
   evt.put(std::move(decay));
 }