Gabriele Cosmo
68 lines
2.0 KiB
C++
68 lines
2.0 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4VPersistencyManager.hh,v 1.2.4.1 1999/12/07 20:52:58 gunter Exp $
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// GEANT4 tag $Name: geant4-01-00 $
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//
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#ifndef G4VPersistencyManager_h
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#define G4VPersistencyManager_h 1
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#include "globals.hh"
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class G4Event;
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class G4Run;
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class G4VPhysicalVolume;
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// class description:
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//
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// This is an abstract base class for persistency management. The user's
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// concrete class derived from this class must be a singleton. The user
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// must construct the object of his/her concrete persistency manager at
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// his/her main().
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// The virtual methods of Store() and Retreive() will be invoked from
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// G4RunManager if the persistency manager exists.
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// Even if the user does not use any ODBMS, the user can use this class
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// especially for Store() methods. Writing an ASCII file for storing
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// event information can be delegated to this class, for example.
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//
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class G4VPersistencyManager
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{
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public: // with description
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static G4VPersistencyManager* GetPersistencyManager();
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// Static method to return the pointer to the singleton object.
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// Note that this method does NOT create the singleton object.
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protected:
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G4VPersistencyManager();
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public:
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virtual ~G4VPersistencyManager();
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private:
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static G4VPersistencyManager * fPersistencyManager;
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public: // with description
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virtual G4bool Store(const G4Event* anEvent)=0;
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virtual G4bool Store(const G4Run* aRun)=0;
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virtual G4bool Store(const G4VPhysicalVolume* theWorld)=0;
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// Stores G4Event, G4Run, and geometry tree characterized by the world volume.
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virtual G4bool Retrieve(G4Event*& anEvent)=0;
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virtual G4bool Retrieve(G4Run*& aRun)=0;
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virtual G4bool Retrieve(G4VPhysicalVolume*& theWorld)=0;
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// Restore G4Event, G4Run, and geometry tree characterized by the world volume.
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};
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#endif
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