TG4StateManager.h

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#ifndef TG4_STATE_MANAGER_H
#define TG4_STATE_MANAGER_H
 
//------------------------------------------------
// The Geant4 Virtual Monte Carlo package
// Copyright (C) 2007 - 2014 Ivana Hrivnacova
// All rights reserved.
//
// For the licensing terms see geant4_vmc/LICENSE.
// Contact: root-vmc@cern.ch
//-------------------------------------------------
 
 
#include "TG4ApplicationState.h"
#include "TG4Verbose.h"
 
#include "globals.hh"
 
class TG4StateManager;
 
 
class TG4StateManager : public TG4Verbose
{
 public:
  TG4StateManager();
  virtual ~TG4StateManager();
 
  // static access method
  static TG4StateManager* Instance();
  static G4String GetStateName(TG4ApplicationState state);
 
  // methods
  void SetNewState(TG4ApplicationState state);
  TG4ApplicationState GetCurrentState() const;
  TG4ApplicationState GetPreviousState() const;
 
 private:
  TG4StateManager(const TG4StateManager& right);
  TG4StateManager& operator=(const TG4StateManager& right);
 
  // static data members
  static G4ThreadLocal TG4StateManager* fgInstance; 
 
  // data members
  TG4ApplicationState fCurrentState;  
  TG4ApplicationState fPreviousState; 
};
 
// inline methods
 
inline TG4StateManager* TG4StateManager::Instance()
{
  return fgInstance;
}
 
inline TG4ApplicationState TG4StateManager::GetCurrentState() const
{
  return fCurrentState;
}
 
inline TG4ApplicationState TG4StateManager::GetPreviousState() const
{
  return fPreviousState;
}
 
#endif // TG4_STATE_MANAGER_H