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rAKA/src/mesh_utils/global_ids_updater.hh
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global_ids_updater.hh
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/**
* @file global_ids_updater.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @author Marco Vocialta <marco.vocialta@epfl.ch>
*
* @date creation: Fri Oct 02 2015
* @date last modification: Fri Dec 08 2017
*
* @brief Class that updates the global ids of new nodes that are
* inserted in the mesh. The functions in this class must be called
* after updating the node types
*
*
* Copyright (©) 2015-2018 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu 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 3 of the License, or (at your option) any
* later version.
*
* Akantu 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 Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_GLOBAL_IDS_UPDATER_HH_
#define AKANTU_GLOBAL_IDS_UPDATER_HH_
/* -------------------------------------------------------------------------- */
#include "data_accessor.hh"
/* -------------------------------------------------------------------------- */
namespace akantu {
class ElementSynchronizer;
} // namespace akantu
namespace akantu {
class GlobalIdsUpdater : public DataAccessor<Element> {
public:
GlobalIdsUpdater(Mesh & mesh, ElementSynchronizer & synchronizer)
: mesh(mesh), synchronizer(synchronizer) {}
/// function to update and synchronize the global connectivity of
/// new inserted nodes. It must be called after updating the node
/// types. (It calls in sequence the functions
/// updateGlobalIDsLocally and synchronizeGlobalIDs)
UInt updateGlobalIDs(UInt local_nb_new_nodes);
/// function to update the global connectivity (only locally) of new
/// inserted nodes. It must be called after updating the node types.
UInt updateGlobalIDsLocally(UInt local_nb_new_nodes);
/// function to synchronize the global connectivity of new inserted
/// nodes among the processors. It must be called after updating the
/// node types.
void synchronizeGlobalIDs();
/* ------------------------------------------------------------------------ */
/* Data Accessor inherited members */
/* ------------------------------------------------------------------------ */
public:
inline UInt getNbData(const Array<Element> & elements,
const SynchronizationTag & tag) const override;
inline void packData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag & tag) const override;
inline void unpackData(CommunicationBuffer & buffer,
const Array<Element> & elements,
const SynchronizationTag & tag) override;
/* ------------------------------------------------------------------------ */
template <bool pack_mode>
inline void
packUnpackGlobalConnectivity(CommunicationBuffer & buffer,
const Array<Element> & elements) const;
/* ------------------------------------------------------------------------ */
/* Members */
/* ------------------------------------------------------------------------ */
private:
/// Reference to the mesh to update
Mesh & mesh;
/// distributed synchronizer to communicate the connectivity
ElementSynchronizer & synchronizer;
/// Tells if a reduction is taking place or not
bool reduce{false};
std::unordered_map<UInt, std::vector<std::pair<UInt, NodeFlag>>> nodes_flags;
};
} // namespace akantu
#include "global_ids_updater_inline_impl.hh"
#endif /* AKANTU_GLOBAL_IDS_UPDATER_HH_ */
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