1 // Copyright (C) 2007-2016 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License, or (at your option) any later version.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // SMESH SMDS : implementation of Salome mesh data structure
24 // File : SMDS_MeshGroup.hxx
27 #ifndef _SMDS_MeshGroup_HeaderFile
28 #define _SMDS_MeshGroup_HeaderFile
30 #include "SMESH_SMDS.hxx"
32 #include "SMDS_ElementHolder.hxx"
33 #include "SMDS_Mesh.hxx"
36 #include <boost/container/flat_set.hpp>
38 class SMDS_EXPORT SMDS_MeshGroup: public SMDS_MeshObject, SMDS_ElementHolder
41 SMDS_MeshGroup(const SMDS_Mesh * theMesh,
42 const SMDSAbs_ElementType theType = SMDSAbs_All);
44 void SetType (const SMDSAbs_ElementType theType);
46 void Reserve(size_t nbElems) { myElements.reserve( nbElems ); }
47 bool Add(const SMDS_MeshElement * theElem);
48 bool Remove(const SMDS_MeshElement * theElem);
49 bool IsEmpty() const { return myElements.empty(); }
50 int Extent() const { return myElements.size(); }
51 int Tic() const { return myTic; }
52 bool Contains(const SMDS_MeshElement * theElem) const;
54 const SMDS_Mesh* GetMesh() const { return myMesh; }
55 SMDSAbs_ElementType GetType() const { return myType; }
56 SMDS_ElemIteratorPtr GetElements() const; // WARNING: iterator becomes invalid if group changes
58 void operator=( SMDS_MeshGroup && other );
60 protected: // methods of SMDS_ElementHolder
62 virtual SMDS_ElemIteratorPtr getElements() { return GetElements(); }
63 virtual void tmpClear();
64 virtual void add( const SMDS_MeshElement* element ) { Add( element ); }
65 virtual void compact() { myElements.shrink_to_fit(); }
69 typedef boost::container::flat_set< const SMDS_MeshElement* > TElementSet;
70 typedef TElementSet::const_iterator TIterator;
72 const SMDS_Mesh * myMesh;
73 SMDSAbs_ElementType myType;
74 TElementSet myElements; // not sorted by ID because it can contain deleted elements
75 int myTic; // to track changes