G4VScoreHistFiller.cc

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//
// Class G4VScoreHistFiller
//
// Class description:
//  Abstract base class that defines functions to fill histogram and
//  profile plot. This class avoids the direct dependency to G4Analysis
//  category. Template class G4TScoreHistFiller should be used by the
//  user to specify the type of the file format.
//
//  Created: M. Asai (Sept. 2020)
//
//
 
#include "G4VScoreHistFiller.hh"
 
G4VScoreHistFiller* G4VScoreHistFiller::fgMasterInstance         = nullptr;
G4ThreadLocal G4VScoreHistFiller* G4VScoreHistFiller::fgInstance = nullptr;
 
G4VScoreHistFiller* G4VScoreHistFiller::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;
}
 
G4VScoreHistFiller::G4VScoreHistFiller()
{
  G4bool isMaster = !G4Threading::IsWorkerThread();
 
  if(isMaster && fgMasterInstance)
  {
    G4ExceptionDescription description;
    description << "      "
                << "G4VScoreHistFiller on master already exists."
                << "Cannot create another instance.";
    G4Exception("G4VScoreHistFiller::G4VScoreHistFiller()", "Analysis_F001",
                FatalException, description);
  }
  if(fgInstance)
  {
    G4ExceptionDescription description;
    description << "      "
                << "G4VScoreHistFiller on worker already exists."
                << "Cannot create another instance.";
    G4Exception("G4VScoreHistFiller::G4VScoreHistFiller()", "Analysis_F001",
                FatalException, description);
  }
  if(isMaster)
    fgMasterInstance = this;
  fgInstance = this;
}
 
G4VScoreHistFiller::~G4VScoreHistFiller() { fgInstance = 0; }