compol_gather_vec_attachment.h

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/*
 * Copyright (c) 2013-2015:  G-CSC, Goethe University Frankfurt
 * Author: Sebastian Reiter
 * 
 * This file is part of UG4.
 * 
 * UG4 is free software: you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 3 (as published by the
 * Free Software Foundation) with the following additional attribution
 * requirements (according to LGPL/GPL v3 §7):
 * 
 * (1) The following notice must be displayed in the Appropriate Legal Notices
 * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (2) The following notice must be displayed at a prominent place in the
 * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
 * 
 * (3) The following bibliography is recommended for citation and must be
 * preserved in all covered files:
 * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
 *   parallel geometric multigrid solver on hierarchically distributed grids.
 *   Computing and visualization in science 16, 4 (2013), 151-164"
 * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
 *   flexible software system for simulating pde based models on high performance
 *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
 * 
 * This program 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.
 */
 
#include "pcl/pcl_base.h"
 
#ifndef __H__PLG__COMPOL_GATHER_VEC_ATTACHMENT__
#define __H__PLG__COMPOL_GATHER_VEC_ATTACHMENT__
 
namespace ug
{
 
 
 
template <class TLayout, class TAttachment>
class ComPol_GatherVecAttachment : public pcl::ICommunicationPolicy<TLayout>
{
  public:
    typedef TLayout             Layout;
    typedef typename Layout::Type     GeomObj;
    typedef typename Layout::Element    Element;
    typedef typename Layout::Interface    Interface;
    typedef typename TAttachment::ValueType Vector;
    typedef typename Vector::value_type   Value;
    
 
    ComPol_GatherVecAttachment();
    
    ComPol_GatherVecAttachment(Grid& grid, TAttachment& attachment);
 
    virtual ~ComPol_GatherVecAttachment() {}
    
 
    void set_attachment(Grid& grid, TAttachment& attachment);
    
 
    virtual bool
    collect(ug::BinaryBuffer& buff, const Interface& interface);
    
 
    virtual bool
    extract(ug::BinaryBuffer& buff, const Interface& interface);
    
  protected:
    Grid::AttachmentAccessor<GeomObj, TAttachment>  m_aaVec;
};
 
 
 
//  implementation of the methods of CollectorCopy
template <class TNodeLayout, class TAttachment>
ComPol_GatherVecAttachment<TNodeLayout, TAttachment>::
ComPol_GatherVecAttachment()
{
}
 
template <class TNodeLayout, class TAttachment>
ComPol_GatherVecAttachment<TNodeLayout, TAttachment>::
ComPol_GatherVecAttachment(Grid& grid, TAttachment& attachment)
{
  set_attachment(grid, attachment);
}
 
template <class TNodeLayout, class TAttachment>
void ComPol_GatherVecAttachment<TNodeLayout, TAttachment>::
set_attachment(Grid& grid, TAttachment& attachment)
{
  m_aaVec.access(grid, attachment);
}
 
template <class TNodeLayout, class TAttachment>
bool ComPol_GatherVecAttachment<TNodeLayout, TAttachment>::
collect(ug::BinaryBuffer& buff, const Interface& interface)
{
  for(typename Interface::const_iterator iter = interface.begin();
    iter != interface.end(); ++iter)
  {
    Serialize(buff, m_aaVec[interface.get_element(iter)]);
  }
  return true;
}
 
template <class TNodeLayout, class TAttachment>
bool ComPol_GatherVecAttachment<TNodeLayout, TAttachment>::
extract(ug::BinaryBuffer& buff, const Interface& interface)
{
  Vector tvec;
  for(typename Interface::const_iterator iter = interface.begin();
    iter != interface.end(); ++iter)
  {
    Element e = interface.get_element(iter);
    tvec.clear();
    Deserialize(buff, tvec);
    m_aaVec[e].reserve(m_aaVec[e].size() + tvec.size());
    for(size_t i = 0; i < tvec.size(); ++i)
      m_aaVec[e].push_back(tvec[i]);
  }
  return true;
}
 
};
 
#endif