IMaterialAllocator.h

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/*
  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
*/

// IMaterialAllocator
//  tool interface to allocate tracking geometry material onto indet and/or
//  muon spectrometer tracks
//
 
#ifndef TRKIPATFITTERUTILS_IMATERIALALLOCATOR_H
#define TRKIPATFITTERUTILS_IMATERIALALLOCATOR_H
 
#include <vector>
 
#include "GaudiKernel/IAlgTool.h"
#include "TrkEventPrimitives/ParticleHypothesis.h"
#include "TrkParameters/TrackParameters.h"
 
namespace Trk {

static const InterfaceID IID_IMaterialAllocator("IMaterialAllocator", 1, 0);

 
class FitMeasurement;
class FitParameters;
class TrackStateOnSurface;
 
class IMaterialAllocator : virtual public IAlgTool {
 public:
  typedef std::vector<std::unique_ptr<const TrackStateOnSurface> > Garbage_t;

  virtual ~IMaterialAllocator() {}

  static const InterfaceID& interfaceID() { return IID_IMaterialAllocator; }

  virtual void addLeadingMaterial(std::vector<FitMeasurement*>& measurements,
                                  ParticleHypothesis particleHypothesis,
                                  FitParameters& fitParameters,
                                  Garbage_t& garbage) const = 0;

  virtual void allocateMaterial(std::vector<FitMeasurement*>& measurements,
                                ParticleHypothesis particleHypothesis,
                                FitParameters& fitParameters,
                                const TrackParameters& startParameters,
                                Garbage_t& garbage) const = 0;

  virtual void initializeScattering(
      std::vector<FitMeasurement*>& measurements) const = 0;

  virtual std::vector<const TrackStateOnSurface*>* leadingSpectrometerTSOS(
      const TrackParameters& spectrometerParameters,
      Garbage_t& garbage) const = 0;

  virtual void orderMeasurements(std::vector<FitMeasurement*>& measurements,
                                 Amg::Vector3D startDirection,
                                 Amg::Vector3D startPosition) const = 0;

  virtual bool reallocateMaterial(std::vector<FitMeasurement*>& measurements,
                                  FitParameters& fitParameters,
                                  Garbage_t& garbage) const = 0;
};
 
}  // namespace Trk
 
#endif  // TRKIPATFITTERUTILS_IMATERIALALLOCATOR_H