/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_7/src/Alignment/MillePedeAlignmentAlgorithm/src/PedeLabeler.h

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#ifndef PEDELABELER_H
#define PEDELABELER_H

#include <vector>
#include <map> 

#include <Alignment/MillePedeAlignmentAlgorithm/interface/PedeLabelerBase.h>

#include "FWCore/ParameterSet/interface/ParameterSet.h"

/***************************************
****************************************/
class PedeLabeler : public PedeLabelerBase
{
 public:

  PedeLabeler(const PedeLabelerBase::TopLevelAlignables &alignables,
              const edm::ParameterSet &config);
  ~PedeLabeler();
  
  unsigned int alignableLabel(Alignable *alignable) const;
  unsigned int alignableLabelFromParamAndInstance(Alignable *alignable,
                                                  unsigned int param,
                                                  unsigned int instance) const;
  unsigned int lasBeamLabel(unsigned int lasBeamId) const;
  unsigned int parameterLabel(unsigned int aliLabel, unsigned int parNum) const;
  unsigned int parameterLabel(Alignable *alignable, unsigned int parNum,
                              const AlignmentAlgorithmBase::EventInfo &eventInfo,
                              const TrajectoryStateOnSurface &tsos) const {
    return parameterLabel(alignableLabel(alignable), parNum);
  }
  bool hasSplitParameters(Alignable *alignable) const { return false; }
  unsigned int numberOfParameterInstances(Alignable *alignable,
                                          int param=-1) const { return 1; }
  unsigned int maxNumberOfParameterInstances() const { return 1; }

  unsigned int paramNumFromLabel(unsigned int paramLabel) const;
  unsigned int alignableLabelFromLabel(unsigned int label) const;
  Alignable* alignableFromLabel(unsigned int label) const;
  unsigned int lasBeamIdFromLabel(unsigned int label) const;
  
 private:
  typedef std::map <Alignable*, unsigned int> AlignableToIdMap;
  typedef AlignableToIdMap::value_type AlignableToIdPair;
  typedef std::map <unsigned int, Alignable*> IdToAlignableMap;
  typedef std::map <unsigned int, unsigned int> UintUintMap;

  unsigned int buildMap(const std::vector<Alignable*> &alis);
  unsigned int buildReverseMap();

  // data members
  AlignableToIdMap  theAlignableToIdMap; 
  IdToAlignableMap  theIdToAlignableMap; 
  UintUintMap       theLasBeamToLabelMap;  
  UintUintMap       theLabelToLasBeamMap; 
};

#endif