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; }

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