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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 |
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