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/* This file is part of the OpenLB library
*
* Copyright (C) 2007, 2014 Mathias J. Krause
* E-mail contact: info@openlb.net
* The most recent release of OpenLB can be downloaded at
* <http://www.openlb.net/>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
/** \file
* A communincator provides a cuboids with cells of other
* cuboids -- header file.
*/
#ifndef COMMUNICATOR_2D_H
#define COMMUNICATOR_2D_H
#include <vector>
#include "communication/cuboidNeighbourhood2D.h"
#include "communication/superStructure2D.h"
/// All OpenLB code is contained in this namespace.
namespace olb {
/// A communicator provides a cuboid with data of other
/// cuboids.
/** For each cuboid a cuboid neighbourhood is defined. A communicator
* coordinates the communication of the single cuboids, in which the data
* is stored locally.
*
* There are methods to add needed cells, send, receive and write
* data of the cell.
*
* This class is not intended to be derived from.
*/
template<typename T> class CuboidNeighbourhood2D;
template<typename T> class SuperStructure2D;
template<typename T>
class Communicator2D {
private:
/// Stores neighbourhoods information for a single cuboid
std::vector<CuboidNeighbourhood2D<T> > _nh;
/// Reference to the super structure
SuperStructure2D<T>& _superStructure;
/// Number of cuboids in the structure
int _nC;
/// Indicates if there was an initialization done
bool _initDone;
public:
/// Constructor
Communicator2D(SuperStructure2D<T>& superStructure);
/// Initializes the cuboid neighbourhoods
void init_nh();
/// Adds a cell to the cuboid neigbourhood iCloc
/// that is then able to get data of the cell
void add_cell(int iCloc, int iX, int iY);
/// Adds all cells of the overlap to its associated cuboid
/// neigbourhood
void add_cells(int overlap);
/// Initializes the communicator
void init();
/// Resets all cuboids neighbourhoods
void reset();
/// Sends the needed data
void send();
/// Receives the needed data
void receive();
/// Writes all data to the block lattices of the super structure
void write();
/// Access to internal data for the tests
std::vector<CuboidNeighbourhood2D<T>>& get_nh();
};
} // namespace olb
#endif
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