compol_copy_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 "lib_grid/grid/grid.h"  // for Grid::AttachmentAccessor
#include "pcl/pcl_base.h"
#include "pcl/pcl_communication_structs.h"  // for ICommunicationPolicy
#include "common/serialization.h"
 
#ifndef __H__PLG__COMPOL_COPY_ATTACHMENT__
#define __H__PLG__COMPOL_COPY_ATTACHMENT__
 
namespace ug
{
 
 
 
template <class TLayout, class TAttachment>
class ComPol_CopyAttachment : 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 Value;
    
 
    ComPol_CopyAttachment();
    
    ComPol_CopyAttachment(Grid& grid, TAttachment attachment);
 
    virtual ~ComPol_CopyAttachment()  {}
    
 
    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);
    
    void extract_on_constrained_elems_only(bool enable);
 
  protected:
    Grid::AttachmentAccessor<GeomObj, TAttachment>  m_aaVal;
    bool m_extractOnConstrainedElemsOnly;
};
 
 
 
//  implementation of the methods of CollectorCopy
template <class TNodeLayout, class TAttachment>
ComPol_CopyAttachment<TNodeLayout, TAttachment>::
ComPol_CopyAttachment() :
  m_extractOnConstrainedElemsOnly(false)
{
}
 
template <class TNodeLayout, class TAttachment>
ComPol_CopyAttachment<TNodeLayout, TAttachment>::
ComPol_CopyAttachment(Grid& grid, TAttachment attachment) :
  m_extractOnConstrainedElemsOnly(false)
{
  set_attachment(grid, attachment);
}
 
template <class TNodeLayout, class TAttachment>
void ComPol_CopyAttachment<TNodeLayout, TAttachment>::
set_attachment(Grid& grid, TAttachment& attachment)
{
  m_aaVal.access(grid, attachment);
}
 
template <class TNodeLayout, class TAttachment>
bool ComPol_CopyAttachment<TNodeLayout, TAttachment>::
collect(ug::BinaryBuffer& buff, const Interface& interface)
{
  for(typename Interface::const_iterator iter = interface.begin();
    iter != interface.end(); ++iter)
  {
    Serialize(buff, m_aaVal[interface.get_element(iter)]);
  }
  return true;
}
 
template <class TNodeLayout, class TAttachment>
bool ComPol_CopyAttachment<TNodeLayout, TAttachment>::
extract(ug::BinaryBuffer& buff, const Interface& interface)
{
  if(m_extractOnConstrainedElemsOnly){
    for(typename Interface::const_iterator iter = interface.begin();
      iter != interface.end(); ++iter)
    {
      typename TAttachment::ValueType val;
      Deserialize(buff, val);
      if(interface.get_element(iter)->is_constrained())
        m_aaVal[interface.get_element(iter)] = val;
    }
  }
  else{
    for(typename Interface::const_iterator iter = interface.begin();
      iter != interface.end(); ++iter)
    {
      Deserialize(buff, m_aaVal[interface.get_element(iter)]);
    }
  }
  return true;
}
 
template <class TNodeLayout, class TAttachment>
void ComPol_CopyAttachment<TNodeLayout, TAttachment>::
extract_on_constrained_elems_only(bool enable)
{
  m_extractOnConstrainedElemsOnly = enable;
}
 
};
 
#endif