VertexTrackFactory.h

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#ifndef VertexTrackFactory_H
#define VertexTrackFactory_H

#include "DataFormats/GeometrySurface/interface/ReferenceCounted.h"
#include "RecoVertex/VertexPrimitives/interface/VertexTrack.h"
#include "RecoVertex/VertexPrimitives/interface/LinearizedTrackState.h"

template <unsigned int N>
class VertexTrackFactory {
public:
  typedef ReferenceCountingPointer<RefittedTrackState<N> > RefCountedRefittedTrackState;
  typedef ReferenceCountingPointer<VertexTrack<N> > RefCountedVertexTrack;
  typedef ReferenceCountingPointer<LinearizedTrackState<N> > RefCountedLinearizedTrackState;
  typedef ROOT::Math::SMatrix<double, 3, N - 2, ROOT::Math::MatRepStd<double, 3, N - 2> > AlgebraicMatrix3M;
  typedef ROOT::Math::SMatrix<double, N + 1, N + 1, ROOT::Math::MatRepSym<double, N + 1> > AlgebraicSymMatrixOO;

  VertexTrackFactory() {}
  ~VertexTrackFactory() {}

  RefCountedVertexTrack vertexTrack(const RefCountedLinearizedTrackState lt,
                                    const VertexState vs,
                                    float weight = 1.0) const {
    return RefCountedVertexTrack(new VertexTrack<N>(lt, vs, weight));
  };

  RefCountedVertexTrack vertexTrack(const RefCountedLinearizedTrackState lt,
                                    const VertexState vs,
                                    const RefCountedRefittedTrackState& refittedState,
                                    float smoothedChi2,
                                    float weight = 1.0) const {
    return RefCountedVertexTrack(new VertexTrack<N>(lt, vs, weight, refittedState, smoothedChi2));
  };

  RefCountedVertexTrack vertexTrack(const RefCountedLinearizedTrackState lt,
                                    const VertexState vs,
                                    const RefCountedRefittedTrackState& refittedState,
                                    float smoothedChi2,
                                    const AlgebraicSymMatrixOO& tVCov,
                                    float weight = 1.0) const {
    return RefCountedVertexTrack(new VertexTrack<N>(lt, vs, weight, refittedState, smoothedChi2, tVCov));
  };
};

#endif