G4TFileManager.hh

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// Author: Ivana Hrivnacova, 18/06/2013  ([email protected])
 
#ifndef G4TFileManager_h
#define G4TFileManager_h 1
 
#include "G4TFileInformation.hh"
 
#include <vector>
#include <memory>
 
template <typename FT>
class G4TFileManager
{
  public:
    explicit G4TFileManager(const G4AnalysisManagerState& state);
    virtual ~G4TFileManager();
   
    // Per file methods
    // (implements all tests and warnings, fills the map)
    std::shared_ptr<FT> CreateTFile(const G4String& fileName);
    G4bool WriteTFile(const G4String& fileName);
    G4bool CloseTFile(const G4String& fileName);
    G4bool SetIsEmpty(const G4String& fileName, G4bool isEmpty);
    //
    std::shared_ptr<FT> GetTFile(const G4String& fileName, G4bool warn = true) const;
 
    // Methods applied to all registered files
    G4bool OpenFiles();
    G4bool WriteFiles();
    G4bool CloseFiles();
    G4bool DeleteEmptyFiles();
 
  protected:
    // Methods to be implemented per file type manipulate file
    virtual std::shared_ptr<FT> CreateFileImpl(const G4String& fileName) = 0;
    virtual G4bool WriteFileImpl(std::shared_ptr<FT> file) = 0;
    virtual G4bool CloseFileImpl(std::shared_ptr<FT> file) = 0;
 
  private:
    // Methods
    void FileNotFoundException(const G4String& fileName, 
          const G4String& functionName) const;
    G4TFileInformation<FT>* GetFileInfoInFunction(const G4String& fileName, 
      G4String functionName, G4bool warn = true) const;
    std::shared_ptr<FT> GetFileInFunction(const G4String& fileName, 
      G4String functionName, G4bool warn = true) const;
 
    G4bool WriteTFile(std::shared_ptr<FT> file, const G4String& fileName);
    G4bool CloseTFile(std::shared_ptr<FT> file, const G4String& fileName);
    G4bool DeleteEmptyFile(const G4String& fileName);
 
    // Data members
    const G4AnalysisManagerState& fAMState;
    std::map<G4String, G4TFileInformation<FT>*> fFileMap;
 };
 
#include "G4TFileManager.icc"
 
#endif