include/opencascade/Standard_Persistent.hxx

0001 // Copyright (c) 1998-1999 Matra Datavision
0002 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0003 //
0004 // This file is part of Open CASCADE Technology software library.
0005 //
0006 // This library is free software; you can redistribute it and/or modify it under
0007 // the terms of the GNU Lesser General Public License version 2.1 as published
0008 // by the Free Software Foundation, with special exception defined in the file
0009 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0010 // distribution for complete text of the license and disclaimer of any warranty.
0011 //
0012 // Alternatively, this file may be used under the terms of Open CASCADE
0013 // commercial license or contractual agreement.
0014
0015 #ifndef _Standard_Persistent_HeaderFile
0016 #define _Standard_Persistent_HeaderFile
0017
0018 #include <Standard_Type.hxx>
0019
0020 //! Root of "persistent" classes, a legacy support of
0021 //! object oriented databases, now outdated.
0022 class Standard_Persistent : public Standard_Transient
0023 {
0024 public:
0025   DEFINE_STANDARD_ALLOC
0026
0027   Standard_Persistent() : _typenum(0), _refnum(0) {}
0028
0029   DEFINE_STANDARD_RTTIEXT(Standard_Persistent,Standard_Transient)
0030   Standard_Integer& TypeNum() { return _typenum; }
0031
0032 private:
0033   Standard_Integer _typenum;
0034   Standard_Integer _refnum;
0035
0036   friend class Storage_Schema;
0037 };
0038
0039 #endif // _Standard_Persistent_HeaderFile