1 // Created on: 2004-11-23
2 // Created by: Pavel TELKOV
3 // Copyright (c) 2004-2014 OPEN CASCADE SAS
5 // This file is part of Open CASCADE Technology software library.
7 // This library is free software; you can redistribute it and/or modify it under
8 // the terms of the GNU Lesser General Public License version 2.1 as published
9 // by the Free Software Foundation, with special exception defined in the file
10 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
11 // distribution for complete text of the license and disclaimer of any warranty.
13 // Alternatively, this file may be used under the terms of Open CASCADE
14 // commercial license or contractual agreement.
16 // The original implementation Copyright: (C) RINA S.p.A
18 #ifndef TObj_TModel_HeaderFile
19 #define TObj_TModel_HeaderFile
21 #include <TDF_Attribute.hxx>
27 * Attribute to store OCAF-based models in OCAF tree
28 * The persistency mechanism of the TObj_TModel allowes to save
29 * and restore various types of models without recompilation of the schema
32 class TObj_TModel : public TDF_Attribute
36 * Standard methods of attribute
40 Standard_EXPORT TObj_TModel();
42 //! This method is used in implementation of ID()
43 static Standard_EXPORT const Standard_GUID& GetID();
45 //! Returns the ID of TObj_TModel attribute.
46 Standard_EXPORT const Standard_GUID& ID() const Standard_OVERRIDE;
49 //! Methods for setting and obtaining the Model object
51 //! Sets the the Model object
52 Standard_EXPORT void Set(const Handle(TObj_Model)& theModel);
54 //! Returns the Model object
55 Standard_EXPORT Handle(TObj_Model) Model() const;
58 //! Redefined OCAF abstract methods
60 //! Returns an new empty TObj_TModel attribute. It is used by the
62 Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const Standard_OVERRIDE;
64 //! Restores the backuped contents from <theWith> into this one. It is used
65 //! when aborting a transaction.
66 Standard_EXPORT void Restore (const Handle(TDF_Attribute)& theWith) Standard_OVERRIDE;
68 //! This method is used when copying an attribute from a source structure
69 //! into a target structure.
70 Standard_EXPORT void Paste (const Handle(TDF_Attribute)& theInto,
71 const Handle(TDF_RelocationTable)& theRT) const Standard_OVERRIDE;
75 Handle(TObj_Model) myModel; //!< The Model object stored by the attribute
79 DEFINE_STANDARD_RTTIEXT(TObj_TModel,TDF_Attribute)
82 //! Define handle class for TObj_TModel
83 DEFINE_STANDARD_HANDLE(TObj_TModel,TDF_Attribute)