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G4VPersistencyManager.hh
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27 // $Id: G4VPersistencyManager.hh 66892 2013-01-17 10:57:59Z gunter $
28 //
29 
30 #ifndef G4VPersistencyManager_h
31 #define G4VPersistencyManager_h 1
32 
33 #include "globals.hh"
34 
35 class G4Event;
36 class G4Run;
37 class G4VPhysicalVolume;
38 
39 // class description:
40 //
41 // This is an abstract base class for persistency management. The user's
42 // concrete class derived from this class must be a singleton. The user
43 // must construct the object of his/her concrete persistency manager at
44 // his/her main().
45 // The virtual methods of Store() and Retreive() will be invoked from
46 // G4RunManager if the persistency manager exists.
47 // Even if the user does not use any ODBMS, the user can use this class
48 // especially for Store() methods. Writing an ASCII file for storing
49 // event information can be delegated to this class, for example.
50 //
51 
53 {
54  public: // with description
56  // Static method to return the pointer to the singleton object.
57  // Note that this method does NOT create the singleton object.
58 
59  protected:
61 
62  public:
63  virtual ~G4VPersistencyManager();
64 
65  private:
67 
68  public: // with description
69  virtual G4bool Store(const G4Event* anEvent)=0;
70  virtual G4bool Store(const G4Run* aRun)=0;
71  virtual G4bool Store(const G4VPhysicalVolume* theWorld)=0;
72  // Stores G4Event, G4Run, and geometry tree characterized by the world volume.
73 
74  virtual G4bool Retrieve(G4Event*& anEvent)=0;
75  virtual G4bool Retrieve(G4Run*& aRun)=0;
76  virtual G4bool Retrieve(G4VPhysicalVolume*& theWorld)=0;
77  // Restore G4Event, G4Run, and geometry tree characterized by the world volume.
78 
79 };
80 
81 
82 
83 
84 #endif
85 
static G4VPersistencyManager * GetPersistencyManager()
#define G4ThreadLocal
Definition: tls.hh:69
bool G4bool
Definition: G4Types.hh:79
virtual G4bool Retrieve(G4Event *&anEvent)=0
Definition: G4Run.hh:46
static G4ThreadLocal G4VPersistencyManager * fPersistencyManager
virtual G4bool Store(const G4Event *anEvent)=0