AlignmentTrackFromVertexCompositeCandidateSelector Class Reference

#include <AlignmentTracksFromVertexCompositeCandidateSelector.h>

Public Types
typedef std::vector< const reco::Track * >	Tracks

Public Member Functions
	AlignmentTrackFromVertexCompositeCandidateSelector (const edm::ParameterSet &cfg, edm::ConsumesCollector &iC)
	constructor More...
Tracks	select (const edm::Handle< reco::TrackCollection > &tc, const edm::Event &evt, const edm::EventSetup &setup) const
	select tracks More...
	~AlignmentTrackFromVertexCompositeCandidateSelector ()
	destructor More...

Private Attributes
const edm::EDGetTokenT< reco::VertexCompositeCandidateCollection >	vccToken_

Detailed Description

Definition at line 19 of file AlignmentTracksFromVertexCompositeCandidateSelector.h.

Member Typedef Documentation

Tracks

typedef std::vector<const reco::Track*> AlignmentTrackFromVertexCompositeCandidateSelector::Tracks

Definition at line 21 of file AlignmentTracksFromVertexCompositeCandidateSelector.h.

Constructor & Destructor Documentation

AlignmentTrackFromVertexCompositeCandidateSelector()

AlignmentTrackFromVertexCompositeCandidateSelector::AlignmentTrackFromVertexCompositeCandidateSelector	(	const edm::ParameterSet &	cfg,
		edm::ConsumesCollector &	iC
	)

constructor

Definition at line 10 of file AlignmentTracksFromVertexCompositeCandidateSelector.cc.

    : vccToken_(iC.consumes<reco::VertexCompositeCandidateCollection>(
          cfg.getParameter<edm::InputTag>("vertexCompositeCandidates"))) {}

~AlignmentTrackFromVertexCompositeCandidateSelector()

AlignmentTrackFromVertexCompositeCandidateSelector::~AlignmentTrackFromVertexCompositeCandidateSelector

(

)

destructor

Definition at line 16 of file AlignmentTracksFromVertexCompositeCandidateSelector.cc.

{}

Member Function Documentation

select()

AlignmentTrackFromVertexCompositeCandidateSelector::Tracks AlignmentTrackFromVertexCompositeCandidateSelector::select	(	const edm::Handle< reco::TrackCollection > &	tc,
		const edm::Event &	evt,
		const edm::EventSetup &	setup
	)		const

select tracks

Definition at line 19 of file AlignmentTracksFromVertexCompositeCandidateSelector.cc.

References reco::Candidate::daughter(), spr::find(), edm::Event::getByToken(), mps_fire::i, edm::Ref< C, T, F >::isNonnull(), edm::HandleBase::isValid(), edm::Ref< C, T, F >::key(), LogDebug, mps_fire::result, reco::RecoChargedCandidate::track(), and vccToken_.

Referenced by TrackFromVertexCompositeCandidateConfigSelector::select().

                                                                                                     {
  Tracks result;

  std::vector<unsigned int> theV0keys;

  edm::Handle<reco::VertexCompositeCandidateCollection> vccHandle;
  evt.getByToken(vccToken_, vccHandle);

  if (vccHandle.isValid()) {
    // Loop over VertexCompositeCandidates and associate tracks
    for (const auto& vcc : *vccHandle) {
      for (size_t i = 0; i < vcc.numberOfDaughters(); ++i) {
        LogDebug("AlignmentTrackFromVertexCompositeCandidateSelector") << "daughter: " << i << std::endl;
        const reco::Candidate* daughter = vcc.daughter(i);
        const reco::RecoChargedCandidate* chargedDaughter = dynamic_cast<const reco::RecoChargedCandidate*>(daughter);
        if (chargedDaughter) {
          LogDebug("AlignmentTrackFromVertexCompositeCandidateSelector") << "charged daughter: " << i << std::endl;
          const reco::TrackRef trackRef = chargedDaughter->track();
          if (trackRef.isNonnull()) {
            LogDebug("AlignmentTrackFromVertexCompositeCandidateSelector")
                << "charged daughter has non-null trackref: " << i << std::endl;
            theV0keys.push_back(trackRef.key());
          }
        }
      }
    }
  } else {
    edm::LogError("AlignmentTrackFromVertexCompositeCandidateSelector")
        << "Error >> Failed to get VertexCompositeCandidateCollection";
  }

  LogDebug("AlignmentTrackFromVertexCompositeCandidateSelector")
      << "collection will have size: " << theV0keys.size() << std::endl;

  if (tc.isValid()) {
    int indx(0);
    // put the track in the collection is it was used for the vertex
    for (reco::TrackCollection::const_iterator tk = tc->begin(); tk != tc->end(); ++tk, ++indx) {
      reco::TrackRef trackRef = reco::TrackRef(tc, indx);
      if (std::find(theV0keys.begin(), theV0keys.end(), trackRef.key()) != theV0keys.end()) {
        LogDebug("AlignmentTrackFromVertexSelector") << "track index: " << indx << "filling result vector" << std::endl;
        result.push_back(&(*tk));
      }  // if a valid key is found
    }  // end loop over tracks
  }  // if the handle is valid

  LogDebug("AlignmentTrackFromVertexCompositeCandidateSelector")
      << "collection will have size: " << result.size() << std::endl;

  return result;
}

Member Data Documentation

vccToken_

const edm::EDGetTokenT<reco::VertexCompositeCandidateCollection> AlignmentTrackFromVertexCompositeCandidateSelector::vccToken_

private

Definition at line 35 of file AlignmentTracksFromVertexCompositeCandidateSelector.h.

Referenced by select().