TopGenEventAnalyzer.h

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#ifndef TopGenEventAnalyzer_h
#define TopGenEventAnalyzer_h

#include "TH1.h"

#include "FWCore/Framework/interface/Event.h"
#include "FWCore/Framework/interface/EDAnalyzer.h"
#include "FWCore/Utilities/interface/InputTag.h"
#include "FWCore/ParameterSet/interface/ParameterSet.h"
#include "FWCore/ServiceRegistry/interface/Service.h"
#include "CommonTools/UtilAlgos/interface/TFileService.h"

#include "AnalysisDataFormats/TopObjects/interface/TtGenEvent.h"

class TopGenEventAnalyzer : public edm::EDAnalyzer {
public:
  explicit TopGenEventAnalyzer(const edm::ParameterSet &);
  ~TopGenEventAnalyzer() override;

private:
  void beginJob() override;
  void analyze(const edm::Event &, const edm::EventSetup &) override;
  void endJob() override;

  edm::EDGetTokenT<TtGenEvent> inputGenEventToken_;

  TH1F *nLep_;
  TH1F *topPt_;
  TH1F *topEta_;
  TH1F *topPhi_;
  TH1F *topBarPt_;
  TH1F *topBarEta_;
  TH1F *topBarPhi_;
  TH1F *ttbarPt_;
  TH1F *ttbarEta_;
  TH1F *ttbarPhi_;
  TH1F *prodChan_;
};

#endif