G4VScoreNtupleWriter.cc

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//
//
// Author: Ivana Hrivnacova, 11/09/2018  (ivana@ipno.in2p3.fr)
// ---------------------------------------------------------------------

#include "G4VScoreNtupleWriter.hh"

//_____________________________________________________________________________
G4VScoreNtupleWriter* G4VScoreNtupleWriter::fgMasterInstance = 0;    
G4ThreadLocal G4VScoreNtupleWriter* G4VScoreNtupleWriter::fgInstance = 0;    

//_____________________________________________________________________________
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 ) ) {
    if ( fgMasterInstance ) {
      fgInstance = fgMasterInstance->CreateInstance();
    }
  }

  return fgInstance;
}    

//
// ctor, dtor
//

//_____________________________________________________________________________
G4VScoreNtupleWriter::G4VScoreNtupleWriter()
{
  G4bool isMaster = ! G4Threading::IsWorkerThread();

  if ( isMaster && fgMasterInstance  ) {
    G4ExceptionDescription description;
    description 
      << "      " 
      << "G4VScoreNtupleWriter on master already exists." 
      << "Cannot create another instance.";
    G4Exception("G4VScoreNtupleWriter::G4VScoreNtupleWriter()",
                "Analysis_F001", FatalException, description);
  }
  if ( fgInstance ) {
    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 = 0;
}