HitPairGenerator.h

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#ifndef HitPairGenerator_H
#define HitPairGenerator_H

#include <vector>

#include "RecoTracker/TkTrackingRegions/interface/OrderedHitsGenerator.h"
#include "RecoTracker/TkHitPairs/interface/OrderedHitPairs.h"
#include "RecoTracker/TkHitPairs/interface/RecHitsSortedInPhi.h"
#include "TrackingTools/TransientTrackingRecHit/interface/SeedingLayerSetsHits.h"
#include "FWCore/Utilities/interface/RunningAverage.h"

class TrackingRegion;
namespace edm {
  class Event;
  class EventSetup;
}  // namespace edm

class HitPairGenerator : public OrderedHitsGenerator {
public:
  explicit HitPairGenerator(unsigned int size = 4000);
  HitPairGenerator(HitPairGenerator const& other) : localRA(other.localRA.mean()) {}

  ~HitPairGenerator() override {}

  const OrderedHitPairs& run(const TrackingRegion& region, const edm::Event& ev, const edm::EventSetup& es) override;

  virtual void hitPairs(const TrackingRegion& reg,
                        OrderedHitPairs& prs,
                        const edm::Event& ev,
                        const edm::EventSetup& es) = 0;

  void clear() final;

private:
  OrderedHitPairs thePairs;
  edm::RunningAverage localRA;
};

#endif