0030773: Application Framework - To allow to inherit existing attributes to reuse...
[occt.git] / src / TDF / TDF_DeltaOnAddition.hxx
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42cf5bc1 1// Created by: DAUTRY Philippe
2// Copyright (c) 1997-1999 Matra Datavision
3// Copyright (c) 1999-2014 OPEN CASCADE SAS
4//
5// This file is part of Open CASCADE Technology software library.
6//
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.
12//
13// Alternatively, this file may be used under the terms of Open CASCADE
14// commercial license or contractual agreement.
15
16#ifndef _TDF_DeltaOnAddition_HeaderFile
17#define _TDF_DeltaOnAddition_HeaderFile
18
19#include <Standard.hxx>
20#include <Standard_Type.hxx>
21
22#include <TDF_AttributeDelta.hxx>
23class TDF_Attribute;
24
25
26class TDF_DeltaOnAddition;
27DEFINE_STANDARD_HANDLE(TDF_DeltaOnAddition, TDF_AttributeDelta)
28
29//! This class provides default services for an
30//! AttributeDelta on an ADDITION action.
31//!
32//! Applying this AttributeDelta means REMOVING its
33//! attribute.
34class TDF_DeltaOnAddition : public TDF_AttributeDelta
35{
36
37public:
38
39
40 //! Creates a TDF_DeltaOnAddition.
41 Standard_EXPORT TDF_DeltaOnAddition(const Handle(TDF_Attribute)& anAtt);
42
43 //! Applies the delta to the attribute.
44 Standard_EXPORT void Apply() Standard_OVERRIDE;
45
46
47
48
92efcf78 49 DEFINE_STANDARD_RTTIEXT(TDF_DeltaOnAddition,TDF_AttributeDelta)
42cf5bc1 50
51protected:
52
53
54
55
56private:
57
58
59
60
61};
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68
69#endif // _TDF_DeltaOnAddition_HeaderFile