LinTrackCache.h

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#ifndef _LinTrackCache_H_
#define _LinTrackCache_H_

#include <map>
#include "DataFormats/GeometryVector/interface/GlobalPoint.h"
#include "RecoVertex/VertexPrimitives/interface/LinearizedTrackState.h"
#include "DataFormats/GeometrySurface/interface/ReferenceCounted.h"
#include "TrackingTools/TransientTrack/interface/TransientTrack.h"

class LinTrackCache {
private:
  struct Comparer {
    bool operator()(const GlobalPoint &, const GlobalPoint &) const;
  };

  struct Vicinity {
    bool operator()(const GlobalPoint &, const GlobalPoint &) const;
  };

public:
  typedef ReferenceCountingPointer<LinearizedTrackState<5> > RefCountedLinearizedTrackState;

  RefCountedLinearizedTrackState linTrack(const GlobalPoint &, const reco::TransientTrack &);
  ~LinTrackCache();
  void clear();

private:
  typedef std::map<reco::TransientTrack, RefCountedLinearizedTrackState> LinTrkMap;
  typedef std::map<reco::TransientTrack, bool> HasLinTrkMap;
  std::map<GlobalPoint, LinTrkMap, Vicinity> theLinTracks;
  std::map<GlobalPoint, HasLinTrkMap, Vicinity> theHasLinTrack;
};

#endif