HitTripletGeneratorFromPairAndLayers.h

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#ifndef HitTripletGeneratorFromPairAndLayers_H
#define HitTripletGeneratorFromPairAndLayers_H

#include "RecoPixelVertexing/PixelTriplets/interface/OrderedHitTriplets.h"
#include <vector>
#include "TrackingTools/TransientTrackingRecHit/interface/SeedingLayerSetsHits.h"
#include "RecoTracker/TkHitPairs/interface/LayerHitMapCache.h"

namespace edm {
  class ParameterSet;
  class Event;
  class EventSetup;
  class ConsumesCollector;
  class ParameterSetDescription;
}  // namespace edm
class TrackingRegion;
class HitPairGeneratorFromLayerPair;

class HitTripletGeneratorFromPairAndLayers {
public:
  typedef LayerHitMapCache LayerCacheType;

  explicit HitTripletGeneratorFromPairAndLayers(unsigned int maxElement = 0);
  explicit HitTripletGeneratorFromPairAndLayers(const edm::ParameterSet& pset);
  virtual ~HitTripletGeneratorFromPairAndLayers();

  static void fillDescriptions(edm::ParameterSetDescription& desc);

  void init(std::unique_ptr<HitPairGeneratorFromLayerPair>&& pairs, LayerCacheType* layerCache);

  const HitPairGeneratorFromLayerPair& pairGenerator() const { return *thePairGenerator; }

  virtual void hitTriplets(const TrackingRegion& region,
                           OrderedHitTriplets& trs,
                           const edm::Event& ev,
                           const edm::EventSetup& es,
                           const SeedingLayerSetsHits::SeedingLayerSet& pairLayers,
                           const std::vector<SeedingLayerSetsHits::SeedingLayer>& thirdLayers) = 0;

  virtual void hitTriplets(const TrackingRegion& region,
                           OrderedHitTriplets& result,
                           const edm::EventSetup& es,
                           const HitDoublets& doublets,
                           const RecHitsSortedInPhi** thirdHitMap,
                           const std::vector<const DetLayer*>& thirdLayerDetLayer,
                           const int nThirdLayers) = 0;

protected:
  std::unique_ptr<HitPairGeneratorFromLayerPair> thePairGenerator;
  LayerCacheType* theLayerCache;
  const unsigned int theMaxElement;
};
#endif