//  SMESH SMDS : implementaion of Salome mesh data structure
//
//  Copyright (C) 2003  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
//  CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS 
// 
//  This library is free software; you can redistribute it and/or 
//  modify it under the terms of the GNU Lesser General Public 
//  License as published by the Free Software Foundation; either 
//  version 2.1 of the License. 
// 
//  This library is distributed in the hope that it will be useful, 
//  but WITHOUT ANY WARRANTY; without even the implied warranty of 
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
//  Lesser General Public License for more details. 
// 
//  You should have received a copy of the GNU Lesser General Public 
//  License along with this library; if not, write to the Free Software 
//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA 
// 
//  See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org 
//
//
//
//  File   : SMDS_MeshElementIDFactory.hxx
//  Module : SMESH

#ifndef _SMDS_MeshElementIDFactory_HeaderFile
#define _SMDS_MeshElementIDFactory_HeaderFile

#include "SMDS_MeshIDFactory.hxx"
#include "SMDS_ElemIterator.hxx"

#include <NCollection_DataMap.hxx>

class SMDS_MeshElement;

typedef NCollection_DataMap<int, SMDS_MeshElement *> SMDS_IdElementMap;

class SMDS_MeshElementIDFactory:public SMDS_MeshIDFactory
{
public:
  SMDS_MeshElementIDFactory();
  bool BindID(int ID, SMDS_MeshElement * elem);
  SMDS_MeshElement * MeshElement(int ID);
  virtual int GetFreeID();
  virtual void ReleaseID(int ID);
  int GetMaxID() const;
  int GetMinID() const;
  SMDS_ElemIteratorPtr elementsIterator() const;
private:
  void updateMinMax() const;
  void updateMinMax(int id) const
  {
    if (id > myMax) myMax = id;
    if (id < myMin) myMin = id;
  }

  SMDS_IdElementMap myIDElements;
  mutable int myMin, myMax;

};

#endif