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// The base class for Ntuple managers. 
// It implements common functions independent from the output type. 
//
// Author: Ivana Hrivnacova, 20/07/2017 (ivana@ipno.in2p3.fr)

#ifndef G4BaseNtupleManager_h
#define G4BaseNtupleManager_h 1

#include "G4VNtupleManager.hh"
#include "globals.hh"

class G4BaseNtupleManager : public G4VNtupleManager
{
  public:
    explicit G4BaseNtupleManager(const G4AnalysisManagerState& state);
    virtual ~G4BaseNtupleManager();

    // deleted copy constructor & assignment operator
    G4BaseNtupleManager(const G4BaseNtupleManager& rhs) = delete;
    G4BaseNtupleManager& operator=(const G4BaseNtupleManager& rhs) =delete;

  protected:
    // Methods for handling ntuples
    virtual G4int CreateNtuple(G4NtupleBooking* booking) = 0;

    // Methods to fill ntuples
    // Methods for ntuple with id = FirstNtupleId                     
    virtual G4bool FillNtupleIColumn(G4int id, G4int value) final;
    virtual G4bool FillNtupleFColumn(G4int id, G4float value) final;
    virtual G4bool FillNtupleDColumn(G4int id, G4double value) final;
    virtual G4bool FillNtupleSColumn(G4int id, const G4String& value) final;
    virtual G4bool AddNtupleRow() final;

    // Methods for ntuple with id > FirstNtupleId (when more ntuples exist)                      
    virtual G4bool FillNtupleIColumn(G4int ntupleId, G4int columnId, G4int value) = 0;
    virtual G4bool FillNtupleFColumn(G4int ntupleId, G4int columnId, G4float value) = 0;
    virtual G4bool FillNtupleDColumn(G4int ntupleId, G4int columnId, G4double value) = 0;
    virtual G4bool FillNtupleSColumn(G4int ntupleId, G4int columnId, 
                                     const G4String& value) = 0;
    virtual G4bool AddNtupleRow(G4int ntupleId) = 0;

    // Fisrt column id
    virtual G4bool SetFirstNtupleColumnId(G4int firstId) final;

  protected:
    G4int   fFirstNtupleColumnId;
};

#endif