HLTmumutkVtxProducer.h

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#ifndef HLTmumutkVtxProducer_h
#define HLTmumutkVtxProducer_h
//
// Package:    HLTstaging
// Class:      HLTmumutkVtxProducer
//
// system include files
#include <memory>

#include "FWCore/Framework/interface/stream/EDProducer.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EventSetup.h"
#include "DataFormats/RecoCandidate/interface/RecoChargedCandidateFwd.h"
#include "DataFormats/TrackReco/interface/TrackFwd.h"
#include "DataFormats/HLTReco/interface/TriggerFilterObjectWithRefs.h"
#include "DataFormats/HLTReco/interface/TriggerRefsCollections.h"
#include <vector>

namespace edm {
  class ConfigurationDescriptions;
}

// ----------------------------------------------------------------------

namespace reco {
  class Candidate;
  class Track;
}

class FreeTrajectoryState;
class MagneticField;
    
class HLTmumutkVtxProducer : public edm::stream::EDProducer <> {
 public:
  explicit HLTmumutkVtxProducer(const edm::ParameterSet&);
  ~HLTmumutkVtxProducer() override;
  static void fillDescriptions(edm::ConfigurationDescriptions & descriptions);
  void produce(edm::Event&, const edm::EventSetup&) override;

 private:

  bool overlap(const reco::TrackRef& trackref1, const reco::TrackRef& trackref2);
  static FreeTrajectoryState initialFreeState( const reco::Track&,const MagneticField*);
  bool checkPreviousCand(const reco::TrackRef& trackref, std::vector<reco::RecoChargedCandidateRef>& ref2);

  const edm::InputTag                                          muCandTag_;
  const edm::EDGetTokenT<reco::RecoChargedCandidateCollection> muCandToken_;
  const edm::InputTag                                          trkCandTag_;
  const edm::EDGetTokenT<reco::RecoChargedCandidateCollection> trkCandToken_;
  const edm::InputTag                                          previousCandTag_;
  const edm::EDGetTokenT<trigger::TriggerFilterObjectWithRefs> previousCandToken_;

  const std::string mfName_;
  
  const double thirdTrackMass_    ;
  const double maxEta_            ;
  const double minPt_             ;
  const double minInvMass_        ;
  const double maxInvMass_        ;
  const double minD0Significance_ ;
  const double overlapDR_         ;
  
  const edm::InputTag                    beamSpotTag_;
  const edm::EDGetTokenT<reco::BeamSpot> beamSpotToken_;

};
#endif