HLTDoubletDZ.h

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#ifndef HLTDoubletDZ_h
#define HLTDoubletDZ_h

//
// Class imlements |dZ|<Max for a pair of two objects
//

#include "DataFormats/Common/interface/Handle.h"
#include "DataFormats/Common/interface/Ref.h"
#include "DataFormats/HLTReco/interface/TriggerTypeDefs.h"
#include "HLTrigger/HLTcore/interface/HLTFilter.h"
#include "FWCore/ParameterSet/interface/ConfigurationDescriptions.h"
#include "DataFormats/EgammaCandidates/interface/Electron.h"
#include "DataFormats/EgammaCandidates/interface/ElectronFwd.h"

#include <string>
#include <vector>
namespace trigger {
  class TriggerFilterObjectWithRefs;
}

//
// class declaration
//

template <typename T1, typename T2>
class HLTDoubletDZ : public HLTFilter {
  typedef std::vector<T1> T1Collection;
  typedef edm::Ref<T1Collection> T1Ref;
  typedef std::vector<T2> T2Collection;
  typedef edm::Ref<T2Collection> T2Ref;

public:
  explicit HLTDoubletDZ(const edm::ParameterSet&);
  ~HLTDoubletDZ() override;
  static void fillDescriptions(edm::ConfigurationDescriptions& descriptions);
  bool hltFilter(edm::Event&,
                 const edm::EventSetup&,
                 trigger::TriggerFilterObjectWithRefs& filterproduct) const override;
  bool getCollections(edm::Event& iEvent,
                      std::vector<T1Ref>& coll1,
                      std::vector<T2Ref>& coll2,
                      trigger::TriggerFilterObjectWithRefs& filterproduct) const;
  bool computeDZ(edm::Event& iEvent, T1Ref& c1, T2Ref& c2) const;

private:
  // configuration
  const std::vector<edm::InputTag> originTag1_;  // input tag identifying originals 1st product
  const std::vector<edm::InputTag> originTag2_;  // input tag identifying originals 2nd product
  const edm::InputTag inputTag1_;                // input tag identifying filtered 1st product
  const edm::InputTag inputTag2_;                // input tag identifying filtered 2nd product
  const edm::EDGetTokenT<trigger::TriggerFilterObjectWithRefs> inputToken1_;
  const edm::EDGetTokenT<trigger::TriggerFilterObjectWithRefs> inputToken2_;
  edm::EDGetTokenT<reco::ElectronCollection> electronToken_;
  const int triggerType1_;
  const int triggerType2_;
  const double minDR_;         // minimum dR between two objects to be considered a pair
  const double maxDZ_;         // number of pairs passing cuts required
  const int minPixHitsForDZ_;  // minimum number of required pixel hits to check DZ
  const int min_N_;            // number of pairs passing cuts required
  const bool checkSC_;         // make sure SC constituents are different
  const bool same_;            // 1st and 2nd product are one and the same
};

#endif  //HLTDoubletDZ_h