G4VNtupleFileManager.hh

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// The abstract base class for ntuple file output.
//
// Author: Ivana Hrivnacova, 15/09/2020  ([email protected])
 
#ifndef G4VNtupleFileManager_h
#define G4VNtupleFileManager_h 1
 
#include "G4AnalysisManagerState.hh"
#include "globals.hh"
 
class G4VNtupleManager;
class G4NtupleBookingManager;
 
class G4VNtupleFileManager
{
  // Disable using the object managers outside G4VAnalysisManager and
  // its messenger
  friend class G4VAnalysisManager;
 
  public:
    explicit G4VNtupleFileManager(const G4AnalysisManagerState& state,
                                  const G4String& fileType);
    virtual ~G4VNtupleFileManager();
 
    // deleted copy constructor & assignment operator
    G4VNtupleFileManager(const G4VNtupleFileManager& rhs) = delete;
    G4VNtupleFileManager& operator=(const G4VNtupleFileManager& rhs) = delete;
 
    // MT/MPI
    virtual void SetNtupleMerging(G4bool mergeNtuples, 
                   G4int nofReducedNtupleFiles = 0);
    virtual void SetNtupleRowWise(G4bool rowWise, G4bool rowMode = true);
    virtual void SetBasketSize(unsigned int basketSize);
    virtual void SetBasketEntries(unsigned int basketEntries);
 
    virtual std::shared_ptr<G4VNtupleManager> CreateNtupleManager() = 0;
    virtual void SetBookingManager(std::shared_ptr<G4NtupleBookingManager> bookingManager);
 
    // Methods to be performed at file management
    virtual G4bool ActionAtOpenFile(const G4String& /*fileName*/) = 0;
    virtual G4bool ActionAtWrite() = 0;
    virtual G4bool ActionAtCloseFile(G4bool /*reset*/) = 0;
    virtual G4bool Reset() = 0;
    virtual G4bool IsNtupleMergingSupported() const;
 
    // Get methods
    G4String GetFileType() const;
 
  protected:
    // static data members
    const G4AnalysisManagerState& fState;
    G4String  fFileType; 
    std::shared_ptr<G4NtupleBookingManager> fBookingManager;
};
 
// inline functions
 
inline void G4VNtupleFileManager::SetBookingManager(
  std::shared_ptr<G4NtupleBookingManager> bookingManager)
{ fBookingManager = bookingManager; }
 
inline G4bool G4VNtupleFileManager::IsNtupleMergingSupported() const {
  return false;
}
 
inline G4String G4VNtupleFileManager::GetFileType() const {
  return fFileType;
}
 
#endif