#include <OniaVtxReProducer.h>

Public Member Functions
const edm::InputTag &	inputBeamSpot () const
	Get the InputTag of the BeamSpot used in the VertexProducer. More...

const edm::ParameterSet &	inputConfig () const
	Get the configuration used in the VertexProducer. More...

const edm::InputTag &	inputTracks () const
	Get the InputTag of the TrackCollection used in the VertexProducer. More...

std::vector< TransientVertex >	makeVertices (const reco::TrackCollection &tracks, const reco::BeamSpot &bs, const edm::EventSetup &iSetup) const
	Make the vertices. More...

	OniaVtxReProducer (const edm::Handle< reco::VertexCollection > &configFromOriginalVertexCollection, const edm::Event &iEvent)
	This is the real constructor to be used. More...

	OniaVtxReProducer (const edm::ParameterSet &configByHand)
	This is only for testing. More...

Private Member Functions
void	configure (const edm::ParameterSet &iConfig)

Private Attributes
std::unique_ptr< PrimaryVertexProducerAlgorithm >	algo_

edm::InputTag	beamSpotTag_

edm::ParameterSet	config_

edm::InputTag	tracksTag_

Detailed Description

Definition at line 15 of file OniaVtxReProducer.h.

Constructor & Destructor Documentation

◆ OniaVtxReProducer() [1/2]

OniaVtxReProducer::OniaVtxReProducer	(	const edm::Handle< reco::VertexCollection > &	configFromOriginalVertexCollection,
		const edm::Event &	iEvent
	)

This is the real constructor to be used.

Definition at line 11 of file OniaVtxReProducer.cc.

                                                                                                           {
   const edm::Provenance *prov = handle.provenance();
   if (prov == nullptr)
     throw cms::Exception("CorruptData") << "Vertex handle doesn't have provenance.";
   edm::ParameterSet psetFromProvenance = edm::parameterSet(*prov, iEvent.processHistory());
  
   bool is_primary_available = false;
   const edm::Provenance *parent_prov = prov;
   if (edm::moduleName(*prov, iEvent.processHistory()) != "PrimaryVertexProducer") {
     std::vector<edm::BranchID> parents = prov->productProvenance()->parentage().parents();
     for (std::vector<edm::BranchID>::const_iterator it = parents.begin(), ed = parents.end(); it != ed; ++it) {
       edm::Provenance parprov = iEvent.getProvenance(*it);
       if (parprov.friendlyClassName() == "recoVertexs") {  // for AOD actually this the parent we should look for
         parent_prov = &parprov;
         psetFromProvenance = edm::parameterSet(parprov, iEvent.processHistory());
         is_primary_available = true;
         break;
       }
     }
   } else
     is_primary_available = true;
   if (is_primary_available)
     prov = parent_prov;
   else
     throw cms::Exception("Configuration") << "Vertices to re-produce don't come from a PrimaryVertexProducer \n";
  
   configure(psetFromProvenance);
  
   // Now we also dig out the ProcessName used for the reco::Tracks and reco::Vertices
   std::vector<edm::BranchID> parents = prov->productProvenance()->parentage().parents();
   bool foundTracks = false;
   bool foundBeamSpot = false;
   for (std::vector<edm::BranchID>::const_iterator it = parents.begin(), ed = parents.end(); it != ed; ++it) {
     edm::Provenance parprov = iEvent.getProvenance(*it);
     if (parprov.friendlyClassName() == "recoTracks") {
       tracksTag_ = edm::InputTag(parprov.moduleLabel(), parprov.productInstanceName(), parprov.processName());
       foundTracks = true;
       if (parprov.moduleLabel() != "generalTracks")
         foundTracks = false;  // this is necessary since we are asking for that in onia2mumu
     } else if (parprov.friendlyClassName() == "recoBeamSpot") {
       beamSpotTag_ = edm::InputTag(parprov.moduleLabel(), parprov.productInstanceName(), parprov.processName());
       foundBeamSpot = true;
       if (parprov.moduleLabel() != "offlineBeamSpot")
         foundBeamSpot = false;  // this is necessary since we are asking for that in onia2mumu
     }
   }
   if (!foundTracks || !foundBeamSpot) {
     //edm::LogWarning("OniaVtxReProducer_MissingParentage") <<
     throw cms::Exception("Configuration")
         << "Can't find correct parentage info for vertex collection inputs: " << (foundTracks ? "" : "generalTracks ")
         << (foundBeamSpot ? "" : "offlineBeamSpot") << "\n";
   }
 }

References beamSpotTag_, configure(), Exception, edm::Provenance::friendlyClassName(), patZpeak::handle, iEvent, HLT_2018_cff::InputTag, edm::Provenance::moduleLabel(), edm::moduleName(), edm::parameterSet(), edm::ProductProvenance::parentage(), parents, edm::Parentage::parents(), edm::Provenance::processName(), edm::Provenance::productInstanceName(), edm::Provenance::productProvenance(), and tracksTag_.

◆ OniaVtxReProducer() [2/2]

OniaVtxReProducer::OniaVtxReProducer ( const edm::ParameterSet & configByHand )

inline

This is only for testing.

Definition at line 21 of file OniaVtxReProducer.h.

21 { configure(configByHand); }

References configure().

Member Function Documentation

◆ configure()

void OniaVtxReProducer::configure ( const edm::ParameterSet & iConfig )

private

Definition at line 65 of file OniaVtxReProducer.cc.

                                                                 {
   config_ = iConfig;
   tracksTag_ = iConfig.getParameter<edm::InputTag>("TrackLabel");
   beamSpotTag_ = iConfig.getParameter<edm::InputTag>("beamSpotLabel");
   algo_.reset(new PrimaryVertexProducerAlgorithm(iConfig));
 }

References algo_, beamSpotTag_, config_, edm::ParameterSet::getParameter(), and tracksTag_.

Referenced by OniaVtxReProducer().

◆ inputBeamSpot()

const edm::InputTag& OniaVtxReProducer::inputBeamSpot ( ) const

inline

Get the InputTag of the BeamSpot used in the VertexProducer.

Definition at line 35 of file OniaVtxReProducer.h.

35 { return beamSpotTag_; }

References beamSpotTag_.

◆ inputConfig()

const edm::ParameterSet& OniaVtxReProducer::inputConfig ( ) const

inline

Get the configuration used in the VertexProducer.

Definition at line 29 of file OniaVtxReProducer.h.

29 { return config_; }

References config_.

◆ inputTracks()

const edm::InputTag& OniaVtxReProducer::inputTracks ( ) const

inline

Get the InputTag of the TrackCollection used in the VertexProducer.

Definition at line 32 of file OniaVtxReProducer.h.

32 { return tracksTag_; }

References tracksTag_.

◆ makeVertices()

std::vector< TransientVertex > OniaVtxReProducer::makeVertices	(	const reco::TrackCollection &	tracks,
		const reco::BeamSpot &	bs,
		const edm::EventSetup &	iSetup
	)		const

Make the vertices.

Definition at line 72 of file OniaVtxReProducer.cc.

                                                                                                 {
   edm::ESHandle<TransientTrackBuilder> theB;
   iSetup.get<TransientTrackRecord>().get("TransientTrackBuilder", theB);
  
   std::vector<reco::TransientTrack> t_tks;
   t_tks.reserve(tracks.size());
   for (reco::TrackCollection::const_iterator it = tracks.begin(), ed = tracks.end(); it != ed; ++it) {
     t_tks.push_back((*theB).build(*it));
     t_tks.back().setBeamSpot(bs);
   }
  
   return algo_->vertices(t_tks, bs, "AdaptiveVertexFitter");
 }