1 // Copyright (c) 2015 OPEN CASCADE SAS
3 // This file is part of Open CASCADE Technology software library.
5 // This library is free software; you can redistribute it and/or modify it under
6 // the terms of the GNU Lesser General Public License version 2.1 as published
7 // by the Free Software Foundation, with special exception defined in the file
8 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
9 // distribution for complete text of the license and disclaimer of any warranty.
11 // Alternatively, this file may be used under the terms of Open CASCADE
12 // commercial license or contractual agreement.
15 #ifndef _StdLPersistent_Void_HeaderFile
16 #define _StdLPersistent_Void_HeaderFile
18 #include <StdObjMgt_Attribute.hxx>
20 #include <TDataStd_Directory.hxx>
21 #include <TDataStd_Tick.hxx>
22 #include <TDataStd_NoteBook.hxx>
25 class StdLPersistent_Void
28 template <class AttribClass>
29 class instance : public StdObjMgt_Attribute<AttribClass>::Static
32 //! Read persistent data from a file.
33 Standard_EXPORT virtual void Read (StdObjMgt_ReadData&) {}
34 //! Write persistent data to a file.
35 Standard_EXPORT virtual void Write (StdObjMgt_WriteData&) const {}
36 //! Gets persistent child objects
37 inline void PChildren(StdObjMgt_Persistent::SequenceOfPersistent&) const {}
38 //! Returns persistent type name
39 Standard_CString PName() const;
41 //! Import transient attribuite from the persistent data
42 Standard_EXPORT virtual void ImportAttribute() {}
46 typedef instance<TDataStd_Directory> Directory;
47 typedef instance<TDataStd_Tick> Tick;
48 typedef instance<TDataStd_NoteBook> NoteBook;
52 inline Standard_CString StdLPersistent_Void::instance<TDataStd_Directory>::PName() const
53 { return "PDataStd_Directory"; }
56 inline Standard_CString StdLPersistent_Void::instance<TDataStd_Tick>::PName() const
57 { return "PDataStd_Tick"; }
60 inline Standard_CString StdLPersistent_Void::instance<TDataStd_NoteBook>::PName() const
61 { return "PDataStd_Notebook"; }