/data/refman/pasoursint/CMSSW_5_2_7_hltpatch2/src/RecoMuon/TrackingTools/interface/MuonUpdatorAtVertex.h

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#ifndef RecoMuon_TrackingTools_MuonUpdatorAtVertex_H
#define RecoMuon_TrackingTools_MuonUpdatorAtVertex_H

class TrajectoryStateOnSurface;
class FreeTrajectoryState;
class MuonServiceProxy;

#include "RecoVertex/KalmanVertexFit/interface/SingleTrackVertexConstraint.h"
#include "TrackingTools/TransientTrack/interface/TransientTrackFromFTSFactory.h"
#include "DataFormats/GeometryVector/interface/GlobalPoint.h"

#include <string>

namespace edm {class ParameterSet; class Event;}

class MuonUpdatorAtVertex {
public:
  MuonUpdatorAtVertex(const edm::ParameterSet& pset, const MuonServiceProxy *service);

  virtual ~MuonUpdatorAtVertex();

  // Operations
  
  std::pair<bool,FreeTrajectoryState>
    propagate(const TrajectoryStateOnSurface &tsos, const reco::BeamSpot & beamSpot) const;

  std::pair<bool,FreeTrajectoryState> 
    update(const reco::TransientTrack &track, const reco::BeamSpot & beamSpot) const;
  
  std::pair<bool,FreeTrajectoryState>
    update(const FreeTrajectoryState& ftsAtVtx, const reco::BeamSpot & beamSpot) const;

  std::pair<bool,FreeTrajectoryState>
    propagateWithUpdate(const TrajectoryStateOnSurface &tsos,
                        const reco::BeamSpot & beamSpot) const;

  std::pair<bool,FreeTrajectoryState>
    propagateToNominalLine(const TrajectoryStateOnSurface &tsos) const;

  std::pair<bool,FreeTrajectoryState>
    propagate(const TrajectoryStateOnSurface &tsos) const __attribute__((deprecated));

  

protected:

private:

  const MuonServiceProxy *theService;
  std::string thePropagatorName;
 
  TransientTrackFromFTSFactory theTransientTrackFactory;
  SingleTrackVertexConstraint theConstrictor;
  double theChi2Cut;

  GlobalError thePositionErrors;
};
#endif