HLTSmartSinglet.h

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#ifndef HLTSmartSinglet_h
#define HLTSmartSinglet_h

#include "HLTrigger/HLTcore/interface/HLTFilter.h"
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
#include<vector>

#include "CommonTools/Utils/interface/StringCutObjectSelector.h"
#include<string>

//
// class declaration
//

template<typename T>
class HLTSmartSinglet : public HLTFilter {

   public:

      explicit HLTSmartSinglet(const edm::ParameterSet&);
      ~HLTSmartSinglet() override;
      static void fillDescriptions(edm::ConfigurationDescriptions & descriptions);
      bool hltFilter(edm::Event&, const edm::EventSetup&, trigger::TriggerFilterObjectWithRefs & filterproduct) const override;

   private:
      edm::InputTag                     inputTag_;   // input tag identifying product
      edm::EDGetTokenT<std::vector<T> > inputToken_; // token identifying product
      int triggerType_;        // triggerType
      std::string   cut_;      // smart cut
      int           min_N_;    // number of objects passing cuts required

      StringCutObjectSelector<T,true> select_; // smart selector
};

#endif //HLTSmartSinglet_h