G4RootMpiAnalysisManager.hh

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// The Root analysis manager extension for MPI
// This class is temporarily provided with g4mpi,
// it will be integrated in Geant4 analysis category in future.
//
// Author: Ivana Hrivnacova, 21/11/2018 (ivana@ipno.in2p3.fr)
 
#ifndef G4RootMpiAnalysisManager_h
#define G4RootMpiAnalysisManager_h 1
 
#include "G4RootAnalysisManager.hh"
 
class G4RootMpiNtupleFileManager;
 
namespace tools {
class impi;  
}  
 
class G4RootMpiAnalysisManager : public  G4RootAnalysisManager
{
  public:
    explicit G4RootMpiAnalysisManager(G4bool isMaster = true);
    virtual ~G4RootMpiAnalysisManager();
    
    // Static methods
    static G4RootMpiAnalysisManager* Instance();
 
    // MPI
    void SetMpiNtupleMerging(tools::impi* impi, 
                             G4int mpiRank, G4int mpiSize,
                             G4int nofReducedNtupleFiles = 0);
 
  protected:
    // virtual methods from base class
    virtual G4bool OpenFileImpl(const G4String& fileName) final;
    virtual G4bool WriteImpl() final; 
    virtual G4bool CloseFileImpl(G4bool reset) final; 
 
  private:
    // Static data members
    inline static G4RootMpiAnalysisManager* fgInstance { nullptr };
};
 
#endif