/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_7/src/TrackingTools/TrackRefitter/interface/TrackTransformer.h

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#ifndef TrackingTools_TrackRefitter_TrackTransformer_H
#define TrackingTools_TrackRefitter_TrackTransformer_H

#include "TrackingTools/TrackRefitter/interface/TrackTransformerBase.h"

#include "TrackingTools/TrackRefitter/interface/RefitDirection.h"

#include "FWCore/Framework/interface/ESHandle.h"

#include "Geometry/CommonDetUnit/interface/GlobalTrackingGeometry.h"
#include "MagneticField/Engine/interface/MagneticField.h"
#include "TrackingTools/TransientTrackingRecHit/interface/TransientTrackingRecHit.h"

#include "DataFormats/TrackReco/interface/TrackFwd.h"

namespace edm {class ParameterSet; class EventSetup;}
namespace reco {class TransientTrack;}

class TrajectoryFitter;
class TrajectorySmoother;
class Propagator;
class TransientTrackingRecHitBuilder;
class Trajectory;

class TrackTransformer: public TrackTransformerBase{

public:

  TrackTransformer(const edm::ParameterSet&);

  virtual ~TrackTransformer();
  
  // Operations

  virtual std::vector<Trajectory> transform(const reco::Track&) const;

  std::vector<Trajectory> transform(const reco::TrackRef&) const;

  std::vector<Trajectory> transform(const reco::TransientTrack&,
                                    const TransientTrackingRecHit::ConstRecHitContainer&) const;

  const MagneticField* magneticField() const {return &*theMGField;}
  
  edm::ESHandle<GlobalTrackingGeometry> trackingGeometry() const {return theTrackingGeometry;}

  virtual void setServices(const edm::EventSetup&);

  edm::ESHandle<TrajectoryFitter> refitter() const {return theFitter;}
  
  edm::ESHandle<TrajectorySmoother> smoother() const {return theSmoother;}

  TransientTrackingRecHit::ConstRecHitContainer
    getTransientRecHits(const reco::TransientTrack& track) const;
  
 protected:
  
 private:

  std::string thePropagatorName;
  edm::ESHandle<Propagator> propagator() const {return thePropagator;}
  edm::ESHandle<Propagator> thePropagator;
  
  unsigned long long theCacheId_TC;
  unsigned long long theCacheId_GTG;
  unsigned long long theCacheId_MG;
  unsigned long long theCacheId_TRH;
  
  bool theRPCInTheFit;

  bool theDoPredictionsOnly;
  RefitDirection theRefitDirection;

  edm::ESHandle<GlobalTrackingGeometry> theTrackingGeometry;
  edm::ESHandle<MagneticField> theMGField;
  
  std::string theFitterName;
  edm::ESHandle<TrajectoryFitter> theFitter;
  
  std::string theSmootherName;
  edm::ESHandle<TrajectorySmoother> theSmoother;
 
  RefitDirection::GeometricalDirection
    checkRecHitsOrdering(TransientTrackingRecHit::ConstRecHitContainer&) const;

  //  void reorder(TransientTrackingRecHit::ConstRecHitContainer& recHits) const;

  std::string theTrackerRecHitBuilderName;
  edm::ESHandle<TransientTrackingRecHitBuilder> theTrackerRecHitBuilder;
  
  std::string theMuonRecHitBuilderName;
  edm::ESHandle<TransientTrackingRecHitBuilder> theMuonRecHitBuilder;
};
#endif