/** CbmLitTrackFitterImp.h
 *@author A.Lebedev <alebedev@jinr.ru>
 *@since 2007
 **
 ** Class implements Kalman Filter track fit.
 **/

#ifndef CBMLITTRACKFITTERIMP_H_
#define CBMLITTRACKFITTERIMP_H_

#include "base/CbmLitPtrTypes.h"
#include "interface/CbmLitTrackFitter.h"

class CbmLitTrack;

class CbmLitTrackFitterImp : public CbmLitTrackFitter
{
public:
   /* Constructor
    *@param propagator Track propagation tool
    *@param update Track update tool */
   CbmLitTrackFitterImp(
      TrackPropagatorPtr propagator,
      TrackUpdatePtr update);

   /* Destructor */
   virtual ~CbmLitTrackFitterImp();

   /* Inherited from CbmLitTool */
   virtual LitStatus Initialize();

   /* Inherited from CbmLitTool */
   virtual LitStatus Finalize();

   /* Inherited from CbmLitTrackFitter */
   virtual LitStatus Fit(
      CbmLitTrack* track,
      bool downstream = true);
private:
   /* Track propagation tool */
   TrackPropagatorPtr fPropagator;
   /* Track update tool */
   TrackUpdatePtr fUpdate;
};

#endif /*CBMLITTRACKFITTERIMP_H_*/