//  Copyright (C) 2007-2010  CEA/DEN, EDF R&D
//
//  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.salome-platform.org/ or email : webmaster.salome@opencascade.com
//

#ifndef __STRUCTUREDCOINCIDENTDEC_HXX__
#define __STRUCTUREDCOINCIDENTDEC_HXX__

#include "DEC.hxx"
#include "BlockTopology.hxx"


namespace ParaMEDMEM
{
  class DEC;
  class BlockTopology;
  class StructuredCoincidentDEC : public DEC
  {
  public:
    StructuredCoincidentDEC();
    StructuredCoincidentDEC( ProcessorGroup& source, ProcessorGroup& target);
    virtual ~StructuredCoincidentDEC();
    void synchronize();
    void recvData();
    void sendData();
    void prepareSourceDE();
    void prepareTargetDE();

  private :
    void synchronizeTopology();
    void broadcastTopology(BlockTopology*&, int tag);

    BlockTopology* _topo_source;
    BlockTopology* _topo_target;
    int* _send_counts;
    int* _recv_counts;
    int* _send_displs;
    int* _recv_displs;
    double* _recv_buffer;
    double* _send_buffer;
  };
}

#endif
