CombinedMultiHitGenerator.h

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#ifndef CombinedMultiHitGenerator_H
#define CombinedMultiHitGenerator_H

#include "RecoTracker/TkSeedGenerator/interface/MultiHitGenerator.h"
#include "RecoTracker/TkSeedGenerator/interface/MultiHitGeneratorFromPairAndLayers.h"
#include "RecoTracker/TkHitPairs/interface/LayerHitMapCache.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/Utilities/interface/EDGetToken.h"

#include<memory>

class TrackingRegion;
class SeedingLayerSetsHits;
// class MultiHitGeneratorFromPairAndLayers;

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

class CombinedMultiHitGenerator final : public MultiHitGenerator {
public:
  typedef LayerHitMapCache  LayerCacheType;

public:

  CombinedMultiHitGenerator( const edm::ParameterSet& cfg, edm::ConsumesCollector& iC);

  virtual ~CombinedMultiHitGenerator();

  virtual void hitSets( const TrackingRegion& reg, OrderedMultiHits & result,
      const edm::Event & ev,  const edm::EventSetup& es);

   virtual void clear() override {
      theGenerator->clear(); 
   }

private:
  edm::EDGetTokenT<SeedingLayerSetsHits> theSeedingLayerToken;

  LayerCacheType            theLayerCache;

  std::unique_ptr<MultiHitGeneratorFromPairAndLayers> theGenerator;
};
#endif