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>
22 #include <Handle_TObj_Model.hxx>
24 class Handle(TDF_RelocationTable);
25 class Handle(TObj_TModel);
28 * Attribute to store OCAF-based models in OCAF tree
29 * The persistency mechanism of the TObj_TModel allowes to save
30 * and restore various types of models without recompilation of the schema
33 class TObj_TModel : public TDF_Attribute
37 * Standard methods of attribute
41 Standard_EXPORT TObj_TModel();
43 //! This method is used in implementation of ID()
44 static Standard_EXPORT const Standard_GUID& GetID();
46 //! Returns the ID of TObj_TModel attribute.
47 Standard_EXPORT const Standard_GUID& ID() const;
50 //! Methods for setting and obtaining the Model object
52 //! Sets the the Model object
53 Standard_EXPORT void Set(const Handle(TObj_Model)& theModel);
55 //! Returns the Model object
56 Standard_EXPORT Handle(TObj_Model) Model() const;
59 //! Redefined OCAF abstract methods
61 //! Returns an new empty TObj_TModel attribute. It is used by the
63 Standard_EXPORT Handle(TDF_Attribute) NewEmpty() const;
65 //! Restores the backuped contents from <theWith> into this one. It is used
66 //! when aborting a transaction.
67 Standard_EXPORT void Restore (const Handle(TDF_Attribute)& theWith);
69 //! This method is used when copying an attribute from a source structure
70 //! into a target structure.
71 Standard_EXPORT void Paste (const Handle(TDF_Attribute)& theInto,
72 const Handle(TDF_RelocationTable)& theRT) const;
76 Handle(TObj_Model) myModel; //!< The Model object stored by the attribute
80 DEFINE_STANDARD_RTTI(TObj_TModel, TDF_Attribute)
83 //! Define handle class for TObj_TModel
84 DEFINE_STANDARD_HANDLE(TObj_TModel,TDF_Attribute)