42cf5bc1 |
1 | // Created on: 1992-10-21 |
2 | // Created by: Christian CAILLET |
3 | // Copyright (c) 1992-1999 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 _IGESData_SingleParentEntity_HeaderFile |
18 | #define _IGESData_SingleParentEntity_HeaderFile |
19 | |
20 | #include <Standard.hxx> |
21 | #include <Standard_Type.hxx> |
22 | |
23 | #include <IGESData_IGESEntity.hxx> |
24 | #include <Standard_Integer.hxx> |
25 | class Standard_OutOfRange; |
26 | class IGESData_IGESEntity; |
27 | |
28 | |
29 | class IGESData_SingleParentEntity; |
30 | DEFINE_STANDARD_HANDLE(IGESData_SingleParentEntity, IGESData_IGESEntity) |
31 | |
32 | //! a SingleParentEntity is a kind of IGESEntity which can refer |
33 | //! to a (Single) Parent, from Associativities list of an Entity |
34 | //! a effective SingleParent definition entity must inherit it |
35 | class IGESData_SingleParentEntity : public IGESData_IGESEntity |
36 | { |
37 | |
38 | public: |
39 | |
40 | |
41 | //! Returns the parent designated by the Entity, if only one ! |
42 | Standard_EXPORT virtual Handle(IGESData_IGESEntity) SingleParent() const = 0; |
43 | |
44 | //! Returns the count of Entities designated as children |
45 | Standard_EXPORT virtual Standard_Integer NbChildren() const = 0; |
46 | |
47 | //! Returns a Child given its rank |
48 | Standard_EXPORT virtual Handle(IGESData_IGESEntity) Child (const Standard_Integer num) const = 0; |
49 | |
50 | |
51 | |
52 | |
92efcf78 |
53 | DEFINE_STANDARD_RTTIEXT(IGESData_SingleParentEntity,IGESData_IGESEntity) |
42cf5bc1 |
54 | |
55 | protected: |
56 | |
57 | |
58 | |
59 | |
60 | private: |
61 | |
62 | |
63 | |
64 | |
65 | }; |
66 | |
67 | |
68 | |
69 | |
70 | |
71 | |
72 | |
73 | #endif // _IGESData_SingleParentEntity_HeaderFile |