/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_5_3_14/src/Alignment/KalmanAlignmentAlgorithm/plugins/KalmanAlignmentAlgorithm.h

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#ifndef Alignment_KalmanAlignmentAlgorithm_KalmanAlignmentAlgorithm_h
#define Alignment_KalmanAlignmentAlgorithm_KalmanAlignmentAlgorithm_h

#include "Alignment/CommonAlignment/interface/Alignable.h"
#include "Alignment/CommonAlignmentAlgorithm/interface/AlignmentAlgorithmBase.h"
#include "Alignment/ReferenceTrajectories/interface/TrajectoryFactoryBase.h"

#include "Alignment/KalmanAlignmentAlgorithm/interface/KalmanAlignmentSetup.h"
#include "Alignment/KalmanAlignmentAlgorithm/interface/KalmanAlignmentTrackRefitter.h"

#include <set>


class AlignableNavigator;
class AlignmentParameterSelector;
class TrajectoryFitter;

namespace reco { class BeamSpot; }

class KalmanAlignmentAlgorithm : public AlignmentAlgorithmBase
{

public:

  typedef TrajectoryFactoryBase::ReferenceTrajectoryPtr ReferenceTrajectoryPtr;
  typedef TrajectoryFactoryBase::ReferenceTrajectoryCollection ReferenceTrajectoryCollection;
  typedef TrajectoryFactoryBase::ExternalPredictionCollection ExternalPredictionCollection;

  typedef KalmanAlignmentTracklet::TrackletPtr TrackletPtr;
  typedef std::vector< TrackletPtr > TrackletCollection;

  typedef KalmanAlignmentSetup AlignmentSetup;
  typedef std::vector< AlignmentSetup* > AlignmentSetupCollection;


  KalmanAlignmentAlgorithm( const edm::ParameterSet& config );
  virtual ~KalmanAlignmentAlgorithm( void );

  virtual void produce( edm::Event&, const edm::EventSetup& ) {}

  virtual void initialize( const edm::EventSetup& setup, 
                           AlignableTracker* tracker,
                           AlignableMuon* muon,
                           AlignableExtras* extras,
                           AlignmentParameterStore* store );

  virtual void terminate( void );

  virtual void run( const edm::EventSetup& setup, const EventInfo &eventInfo );

  inline bool operator()( const Alignable* a1, const Alignable* a2 ) const { return ( a1->id() < a2->id() ); }

private:

  void initializeAlignmentParameters( const edm::EventSetup& setup );

  void initializeAlignmentSetups( const edm::EventSetup& setup );

  void applyAlignmentParameters( Alignable* ali, AlignmentParameters* par, bool applyPar, bool applyCov ) const;

  void getComponents( Alignable* ali, std::vector<Alignable*>& comps ) const;

  void mergeResults( void ) const;

  void setAPEToZero( void );

  inline const PropagationDirection getDirection( const std::string& dir ) const
    { return ( dir == "alongMomentum" ) ? alongMomentum : oppositeToMomentum; }

  inline const PropagationDirection oppositeDirection( const PropagationDirection dir ) const
    { return ( dir == alongMomentum ) ? oppositeToMomentum : alongMomentum; }

  const KalmanAlignmentSetup::SortingDirection getSortingDirection( const std::string& sortDir ) const;

  edm::ParameterSet theConfiguration;

  AlignmentSetupCollection theAlignmentSetups;

  KalmanAlignmentTrackRefitter* theRefitter;

  AlignmentParameterStore* theParameterStore;
  AlignableNavigator* theNavigator;
  AlignmentParameterSelector* theSelector;

  AlignableTracker* theTracker;

  bool theMergerFlag;
};

#endif