Geant4  10.03.p02
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
G4VPersistencyManager.hh
Go to the documentation of this file.
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 //
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:
66  static G4ThreadLocal G4VPersistencyManager * fPersistencyManager;
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 
#define G4ThreadLocal
Definition: tls.hh:89
virtual G4bool Store(const G4Event *anEvent)=0
bool G4bool
Definition: G4Types.hh:79
Definition: G4Run.hh:46
virtual G4bool Retrieve(G4Event *&anEvent)=0
static G4VPersistencyManager * GetPersistencyManager()