/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_5/src/Alignment/ReferenceTrajectories/plugins/BzeroReferenceTrajectoryFactory.h

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#include "Alignment/ReferenceTrajectories/interface/TrajectoryFactoryBase.h"

namespace edm {
  class ParameterSet;
  class EventSetup;
}
namespace reco {
  class BeamSpot;
}


class BzeroReferenceTrajectoryFactory : public TrajectoryFactoryBase
{
public:
  BzeroReferenceTrajectoryFactory(const edm::ParameterSet &config);
  virtual ~BzeroReferenceTrajectoryFactory();

  virtual const ReferenceTrajectoryCollection trajectories(const edm::EventSetup &setup,
                                                           const ConstTrajTrackPairCollection &tracks,
                                                           const reco::BeamSpot &beamSpot) const;

  virtual const ReferenceTrajectoryCollection trajectories(const edm::EventSetup &setup,
                                                           const ConstTrajTrackPairCollection &tracks,
                                                           const ExternalPredictionCollection &external,
                                                           const reco::BeamSpot &beamSpot) const;

  virtual BzeroReferenceTrajectoryFactory* clone() const { return new BzeroReferenceTrajectoryFactory( *this ); }

private:

  double theMass;
  double theMomentumEstimate;
};