#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::auto_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::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.

References beamSpotTag_, configure(), Exception, edm::Provenance::friendlyClassName(), edm::Event::getProvenance(), HLT_25ns10e33_v2_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(), edm::HandleBase::provenance(), and tracksTag_.

 {
     const edm::Provenance *prov = handle.provenance();
     if (prov == 0) throw cms::Exception("CorruptData") << "Vertex handle doesn't have provenance.";
     edm::ParameterSet psetFromProvenance = edm::parameterSet(*prov);
 
     bool is_primary_available = false;
     const edm::Provenance *parent_prov = prov;
     if (edm::moduleName(*prov) != "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);
               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";
     }
 
 }

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

inline

This is only for testing.

Definition at line 20 of file OniaVtxReProducer.h.

References configure().

20 { configure(configByHand); }

OniaVtxReProducer::configure

void configure(const edm::ParameterSet &iConfig)

Definition: OniaVtxReProducer.cc:61

Member Function Documentation

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

private

Definition at line 61 of file OniaVtxReProducer.cc.

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

Referenced by OniaVtxReProducer().

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

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

inline

Get the InputTag of the BeamSpot used in the VertexProducer.

Definition at line 32 of file OniaVtxReProducer.h.

References beamSpotTag_.

32 { return beamSpotTag_; }

OniaVtxReProducer::beamSpotTag_

edm::InputTag beamSpotTag_

Definition: OniaVtxReProducer.h:38

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

inline

Get the configuration used in the VertexProducer.

Definition at line 26 of file OniaVtxReProducer.h.

References config_.

26 { return config_; }

OniaVtxReProducer::config_

edm::ParameterSet config_

Definition: OniaVtxReProducer.h:36

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

inline

Get the InputTag of the TrackCollection used in the VertexProducer.

Definition at line 29 of file OniaVtxReProducer.h.

References tracksTag_.

29 { return tracksTag_; }

OniaVtxReProducer::tracksTag_

edm::InputTag tracksTag_

Definition: OniaVtxReProducer.h:37

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

Make the vertices.

Definition at line 70 of file OniaVtxReProducer.cc.

References algo_, and edm::EventSetup::get().

Referenced by Onia2MuMuPAT::produce().

 {
     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");
 }