FullLinearizedTrackFactory.h

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/*
  Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef TrkVertexFitterUtils_FULLLINEARIZEDTRACKFACTORY_H
#define TrkVertexFitterUtils_FULLLINEARIZEDTRACKFACTORY_H
 
#include "AthenaBaseComps/AthAlgTool.h"
#include "GaudiKernel/ToolHandle.h"
#include "TrkVertexFitterInterfaces/IVertexLinearizedTrackFactory.h"
 
#include "TrkParametersBase/ParametersT.h"
#include "TrkParametersBase/Charged.h"
#include "TrkParametersBase/Neutral.h"
#include "TrkParameters/TrackParameters.h" 
 
#include "MagFieldConditions/AtlasFieldCacheCondObj.h"
 
namespace Trk
{
  class IExtrapolator;
  class Track;
 
   
  class FullLinearizedTrackFactory : public AthAlgTool, virtual public IVertexLinearizedTrackFactory
  {
  public:
  
    virtual StatusCode initialize() override;
  
    FullLinearizedTrackFactory(const std::string& t, const std::string& n, const IInterface*  p);
    
    ~FullLinearizedTrackFactory();
 
    virtual void linearize(VxTrackAtVertex & theTrack,const Amg::Vector3D & linPoint) const override;
    
    virtual
    LinearizedTrack * linearizedTrack(const TrackParameters *param, 
                          const Amg::Vector3D & linPoint) const override;
 
    virtual
    LinearizedTrack * linearizedTrack(const NeutralParameters *param,
                                      const Amg::Vector3D & linPoint) const override;
    
    
  private:
 
    ToolHandle< Trk::IExtrapolator >          m_extrapolator;
    SG::ReadCondHandleKey<AtlasFieldCacheCondObj> m_fieldCacheCondObjInputKey 
          {this, "AtlasFieldCacheCondObj", "fieldCondObj", "Name of the Magnetic Field conditions object key"};
 
  };
}
#endif