/cvmfs/atlas.cern.ch/repo/sw/ASG/AnalysisBase/2.4.31/xAODEgamma/xAODEgamma/ElectronxAODHelpers.h

// Dear emacs, this is -*- c++ -*-
// $Id: ElectronxAODHelpers.h 673480 2015-06-08 18:14:25Z christos $
#ifndef XAOD_ELECTRONXAODHELPERS_H
#define XAOD_ELECTRONXAODHELPERS_H

#include "xAODEgamma/ElectronFwd.h"
#include "xAODTracking/TrackParticleFwd.h"
#include <cstddef>
#include <set>
#include <vector>

namespace xAOD {

  namespace EgammaHelpers{

    const xAOD::TrackParticle* getOriginalTrackParticle(const xAOD::Electron* el);

    const xAOD::TrackParticle* getOriginalTrackParticleFromGSF(const xAOD::TrackParticle* trkPar);

    float getLastMeasurementQoverP(const xAOD::TrackParticle *tp);

    //isolation interface,
    const std::set<const xAOD::TrackParticle*> getTrackParticles(const xAOD::Electron* el,
                                 bool useBremAssoc = true, bool allParticles = true);


    const std::vector<const xAOD::TrackParticle*> getTrackParticlesVec(const xAOD::Electron* el,
                                       bool useBremAssoc = true, bool allParticles = true);

    
    std::size_t numberOfSiHits(const xAOD::TrackParticle *tp);
    
  } //namaspace EgammaHelpers

} // namespace xAOD

#endif // XAOD_ELECTRONXAODHELPERS_H

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