include/opencascade/IFGraph_ExternalSources.hxx

0001 // Created on: 1992-09-23
0002 // Created by: Christian CAILLET
0003 // Copyright (c) 1992-1999 Matra Datavision
0004 // Copyright (c) 1999-2014 OPEN CASCADE SAS
0005 //
0006 // This file is part of Open CASCADE Technology software library.
0007 //
0008 // This library is free software; you can redistribute it and/or modify it under
0009 // the terms of the GNU Lesser General Public License version 2.1 as published
0010 // by the Free Software Foundation, with special exception defined in the file
0011 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0012 // distribution for complete text of the license and disclaimer of any warranty.
0013 //
0014 // Alternatively, this file may be used under the terms of Open CASCADE
0015 // commercial license or contractual agreement.
0016
0017 #ifndef _IFGraph_ExternalSources_HeaderFile
0018 #define _IFGraph_ExternalSources_HeaderFile
0019
0020 #include <Standard.hxx>
0021 #include <Standard_DefineAlloc.hxx>
0022 #include <Standard_Handle.hxx>
0023
0024 #include <Interface_Graph.hxx>
0025 #include <Interface_GraphContent.hxx>
0026 #include <Standard_Boolean.hxx>
0027 class Standard_Transient;
0028 class Interface_EntityIterator;
0029
0030
0031 //! this class gives entities which are Source of entities of
0032 //! a sub-part, but are not contained by this sub-part
0033 class IFGraph_ExternalSources  : public Interface_GraphContent
0034 {
0035 public:
0036
0037   DEFINE_STANDARD_ALLOC
0038
0039
0040   //! creates empty ExternalSources, ready to work
0041   Standard_EXPORT IFGraph_ExternalSources(const Interface_Graph& agraph);
0042
0043   //! adds an entity and its shared ones to the list
0044   Standard_EXPORT void GetFromEntity (const Handle(Standard_Transient)& ent);
0045
0046   //! adds a list of entities (as an iterator) with shared ones
0047   Standard_EXPORT void GetFromIter (const Interface_EntityIterator& iter);
0048
0049   //! Allows to restart on a new data set
0050   Standard_EXPORT void ResetData();
0051
0052   //! Evaluates external sources of a set of entities
0053   Standard_EXPORT virtual void Evaluate() Standard_OVERRIDE;
0054
0055   //! Returns True if no External Source are found
0056   //! It means that we have a "root" set
0057   //! (performs an Evaluation as necessary)
0058   Standard_EXPORT Standard_Boolean IsEmpty();
0059
0060
0061
0062
0063 protected:
0064
0065
0066
0067
0068
0069 private:
0070
0071
0072
0073   Interface_Graph thegraph;
0074
0075
0076 };
0077
0078
0079
0080
0081
0082
0083
0084 #endif // _IFGraph_ExternalSources_HeaderFile