DataExchange.h

// Copyright (C) 2015 Technische Universitaet Muenchen
// This file is part of the Mamico project. For conditions of distribution
// and use, please see the copyright notice in Mamico's main folder, or at
// www5.in.tum.de/mamico
#ifndef _MOLECULARDYNAMICS_COUPLING_SENDRECV_DATAEXCHANGE_H_
#define _MOLECULARDYNAMICS_COUPLING_SENDRECV_DATAEXCHANGE_H_
 
#include "coupling/datastructures/CouplingCell.h"
#include "tarch/la/Vector.h"
 
namespace coupling {
namespace sendrecv {
template <class Cell_T, unsigned int dim> class DataExchange;
}
} // namespace coupling

template <class Cell_T, unsigned int dim> class coupling::sendrecv::DataExchange {
public:
  DataExchange(unsigned int tag) : _tag(tag) {}
  virtual ~DataExchange() {}

  unsigned int getTag() const { return _tag; }

  virtual std::vector<unsigned int> getTargetRanks(I01 idx) = 0;

  virtual std::vector<unsigned int> getSourceRanks(I01 idx) = 0;

  virtual void readFromCell(double* const buffer, const Cell_T& cell) = 0;

  virtual void writeToCell(const double* const buffer, Cell_T& cell) = 0;

  virtual unsigned int getDoublesPerCell() const = 0;
 
private:
  const unsigned int _tag;
};
 
#endif // _MOLECULARDYNAMICS_COUPLING_SENDRECV_DATAEXCHANGE_H_