G4VScoreNtupleWriter.cc

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//
// G4VScoreNtupleWriter
//
// Author: Ivana Hrivnacova, 11/09/2018
// ---------------------------------------------------------------------
 
#include "G4VScoreNtupleWriter.hh"
 
//_____________________________________________________________________________
G4VScoreNtupleWriter* G4VScoreNtupleWriter::fgMasterInstance         = nullptr;
G4ThreadLocal G4VScoreNtupleWriter* G4VScoreNtupleWriter::fgInstance = nullptr;
 
//_____________________________________________________________________________
G4VScoreNtupleWriter* G4VScoreNtupleWriter::Instance()
{
  // This function invokes creating the objects on workes,
  // The master instance should be created by the user
  // via the concrete class constructor
 
  G4bool isMaster = !G4Threading::IsWorkerThread();
 
  if((!isMaster) && (fgInstance == nullptr))
  {
    if(fgMasterInstance != nullptr)
    {
      fgInstance = fgMasterInstance->CreateInstance();
    }
  }
 
  return fgInstance;
}
 
//_____________________________________________________________________________
G4VScoreNtupleWriter::G4VScoreNtupleWriter()
{
  G4bool isMaster = !G4Threading::IsWorkerThread();
 
  if(isMaster && (fgMasterInstance != nullptr))
  {
    G4ExceptionDescription description;
    description << "      "
                << "G4VScoreNtupleWriter on master already exists."
                << "Cannot create another instance.";
    G4Exception("G4VScoreNtupleWriter::G4VScoreNtupleWriter()", "Analysis_F001",
                FatalException, description);
  }
  if(fgInstance != nullptr)
  {
    G4ExceptionDescription description;
    description << "      "
                << "G4VScoreNtupleWriter on worker already exists."
                << "Cannot create another instance.";
    G4Exception("G4VScoreNtupleWriter::G4VScoreNtupleWriter()", "Analysis_F001",
                FatalException, description);
  }
  if(isMaster)
    fgMasterInstance = this;
  fgInstance = this;
}
 
//_____________________________________________________________________________
G4VScoreNtupleWriter::~G4VScoreNtupleWriter() { fgInstance = nullptr; }