MultiTrajectoryStateAssembler.h

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#ifndef _TrackerReco_MultiTrajectoryStateAssembler_h_
#define _TrackerReco_MultiTrajectoryStateAssembler_h_

// #include "Utilities/Notification/interface/TimingReport.h"
#include "TrackingTools/TrajectoryState/interface/TrajectoryStateOnSurface.h"
#include <vector>
// #include <map>

class MultiTrajectoryStateAssembler {
private:
  typedef TrajectoryStateOnSurface TSOS;
  typedef std::vector<TrajectoryStateOnSurface> MultiTSOS;

public:
  //
  // constructors
  //
  MultiTrajectoryStateAssembler();

  void addState(const TrajectoryStateOnSurface);

  void addInvalidState(const double);

  TrajectoryStateOnSurface combinedState();
  TrajectoryStateOnSurface combinedState(const float weight);

private:
  void addStateVector(const MultiTSOS&);
  inline bool invalidCombinedState() const {
    //
    // Protect against empty combination (no valid input state)
    //
    return theStates.empty();
  }
  bool prepareCombinedState();
  TrajectoryStateOnSurface reweightedCombinedState(const double) const;
  void removeSmallWeights();
  void removeWrongPz();

private:
  bool sortStates;
  float minValidFraction;
  float minFractionalWeight;

  bool combinationDone;
  bool thePzError;

  double theValidWeightSum;
  double theInvalidWeightSum;
  MultiTSOS theStates;

  //   static TimingReport::Item * theTimerAdd;
  //   static TimingReport::Item * theTimerComb;
};

#endif