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1 | // Created on: 1997-08-07 |
2 | // Created by: Jean-Louis Frenkel |
3 | // Copyright (c) 1997-1999 Matra Datavision |
4 | // Copyright (c) 1999-2014 OPEN CASCADE SAS |
5 | // |
6 | // This file is part of Open CASCADE Technology software library. |
7 | // |
8 | // This library is free software; you can redistribute it and/or modify it under |
9 | // the terms of the GNU Lesser General Public License version 2.1 as published |
10 | // by the Free Software Foundation, with special exception defined in the file |
11 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
12 | // distribution for complete text of the license and disclaimer of any warranty. |
13 | // |
14 | // Alternatively, this file may be used under the terms of Open CASCADE |
15 | // commercial license or contractual agreement. |
16 | |
17 | #ifndef _CDF_Session_HeaderFile |
18 | #define _CDF_Session_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_Type.hxx> |
22 | |
23 | #include <Standard_Boolean.hxx> |
24 | #include <Standard_Transient.hxx> |
25 | class CDF_Directory; |
26 | class CDF_Application; |
27 | class CDF_MetaDataDriver; |
28 | class Standard_NoSuchObject; |
29 | class Standard_MultiplyDefined; |
30 | |
31 | |
32 | class CDF_Session; |
33 | DEFINE_STANDARD_HANDLE(CDF_Session, Standard_Transient) |
34 | |
35 | |
36 | class CDF_Session : public Standard_Transient |
37 | { |
38 | |
39 | public: |
40 | |
41 | |
42 | Standard_EXPORT CDF_Session(); |
43 | |
44 | //! returns true if a session has been created. |
45 | Standard_EXPORT static Standard_Boolean Exists(); |
46 | |
47 | //! returns the only one instance of Session |
48 | //! that has been created. |
49 | Standard_EXPORT static Handle(CDF_Session) CurrentSession(); |
50 | |
51 | //! returns the directory of the session; |
52 | Standard_EXPORT Handle(CDF_Directory) Directory() const; |
53 | |
54 | Standard_EXPORT Standard_Boolean HasCurrentApplication() const; |
55 | |
56 | Standard_EXPORT Handle(CDF_Application) CurrentApplication() const; |
57 | |
58 | Standard_EXPORT void SetCurrentApplication (const Handle(CDF_Application)& anApplication); |
59 | |
60 | Standard_EXPORT void UnsetCurrentApplication(); |
61 | |
62 | Standard_EXPORT Handle(CDF_MetaDataDriver) MetaDataDriver() const; |
63 | |
64 | Standard_EXPORT void LoadDriver(); |
65 | |
66 | |
67 | friend class CDF_Application; |
68 | |
69 | |
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70 | DEFINE_STANDARD_RTTIEXT(CDF_Session,Standard_Transient) |
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71 | |
72 | protected: |
73 | |
74 | |
75 | |
76 | |
77 | private: |
78 | |
79 | |
80 | Handle(CDF_Directory) myDirectory; |
81 | Handle(CDF_Application) myCurrentApplication; |
82 | Standard_Boolean myHasCurrentApplication; |
83 | Handle(CDF_MetaDataDriver) myMetaDataDriver; |
84 | |
85 | |
86 | }; |
87 | |
88 | |
89 | |
90 | |
91 | |
92 | |
93 | |
94 | #endif // _CDF_Session_HeaderFile |