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rAKA/src/synchronizer/data_accessor.hh
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data_accessor.hh
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/**
* @file data_accessor.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Wed Sep 01 2010
* @date last modification: Tue Dec 08 2015
*
* @brief Interface of accessors for pack_unpack system
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014, 2015 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "communication_buffer.hh"
#include "element.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_DATA_ACCESSOR_HH__
#define __AKANTU_DATA_ACCESSOR_HH__
namespace akantu {
class FEEngine;
} // akantu
namespace akantu {
class DataAccessorBase {
public:
DataAccessorBase() {}
virtual ~DataAccessorBase() {}
};
template <class T> class DataAccessor : public virtual DataAccessorBase {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
DataAccessor() {}
virtual ~DataAccessor() {}
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/**
* @brief get the number of data to exchange for a given array of T
* (elements or dofs) and a given akantu::SynchronizationTag
*/
virtual UInt getNbData(const Array<T> & elements,
const SynchronizationTag & tag) const = 0;
/**
* @brief pack the data for a given array of T (elements or dofs) and a given
* akantu::SynchronizationTag
*/
virtual void packData(CommunicationBuffer & buffer, const Array<T> & element,
const SynchronizationTag & tag) const = 0;
/**
* @brief unpack the data for a given array of T (elements or dofs) and a
* given akantu::SynchronizationTag
*/
virtual void unpackData(CommunicationBuffer & buffer,
const Array<T> & element,
const SynchronizationTag & tag) = 0;
};
/* -------------------------------------------------------------------------- */
/* Specialization */
/* -------------------------------------------------------------------------- */
template <> class DataAccessor<Element> : public virtual DataAccessorBase {
public:
DataAccessor() {}
virtual ~DataAccessor() {}
virtual UInt getNbData(const Array<Element> & elements,
const SynchronizationTag & tag) const = 0;
virtual void packData(CommunicationBuffer & buffer,
const Array<Element> & element,
const SynchronizationTag & tag) const = 0;
virtual void unpackData(CommunicationBuffer & buffer,
const Array<Element> & element,
const SynchronizationTag & tag) = 0;
/* ------------------------------------------------------------------------ */
public:
template <typename T, bool pack_helper>
static void
packUnpackNodalDataHelper(Array<T> & data, CommunicationBuffer & buffer,
const Array<Element> & elements, const Mesh & mesh);
/* ------------------------------------------------------------------------ */
template <typename T, bool pack_helper>
static void packUnpackElementalDataHelper(
ElementTypeMapArray<T> & data_to_pack, CommunicationBuffer & buffer,
const Array<Element> & element, bool per_quadrature_point_data,
const FEEngine & fem);
/* ------------------------------------------------------------------------ */
template <typename T>
static void
packNodalDataHelper(const Array<T> & data, CommunicationBuffer & buffer,
const Array<Element> & elements, const Mesh & mesh) {
packUnpackNodalDataHelper<T, true>(const_cast<Array<T> &>(data), buffer,
elements, mesh);
}
template <typename T>
static inline void
unpackNodalDataHelper(Array<T> & data, CommunicationBuffer & buffer,
const Array<Element> & elements, const Mesh & mesh) {
packUnpackNodalDataHelper<T, false>(data, buffer, elements, mesh);
}
/* ------------------------------------------------------------------------ */
template <typename T>
static inline void
packElementalDataHelper(const ElementTypeMapArray<T> & data_to_pack,
CommunicationBuffer & buffer,
const Array<Element> & elements,
bool per_quadrature_point, const FEEngine & fem) {
packUnpackElementalDataHelper<T, true>(
const_cast<ElementTypeMapArray<T> &>(data_to_pack), buffer, elements,
per_quadrature_point, fem);
}
template <typename T>
static inline void
unpackElementalDataHelper(ElementTypeMapArray<T> & data_to_unpack,
CommunicationBuffer & buffer,
const Array<Element> & elements,
bool per_quadrature_point, const FEEngine & fem) {
packUnpackElementalDataHelper<T, false>(data_to_unpack, buffer, elements,
per_quadrature_point, fem);
}
};
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
template <> class DataAccessor<UInt> : public virtual DataAccessorBase {
public:
DataAccessor() {}
virtual ~DataAccessor() {}
virtual UInt getNbData(const Array<UInt> & elements,
const SynchronizationTag & tag) const = 0;
virtual void packData(CommunicationBuffer & buffer,
const Array<UInt> & element,
const SynchronizationTag & tag) const = 0;
virtual void unpackData(CommunicationBuffer & buffer,
const Array<UInt> & element,
const SynchronizationTag & tag) = 0;
/* ------------------------------------------------------------------------ */
public:
template <typename T, bool pack_helper>
static void packUnpackDOFDataHelper(Array<T> & data,
CommunicationBuffer & buffer,
const Array<UInt> & dofs);
template <typename T>
static inline void packDOFDataHelper(const Array<T> & data_to_pack,
CommunicationBuffer & buffer,
const Array<UInt> & dofs) {
packUnpackDOFDataHelper<T, true>(const_cast<Array<T> &>(data_to_pack),
buffer, dofs);
}
template <typename T>
static inline void unpackDOFDataHelper(Array<T> & data_to_unpack,
CommunicationBuffer & buffer,
const Array<UInt> & dofs) {
packUnpackDOFDataHelper<T, false>(data_to_unpack, buffer, dofs);
}
};
} // akantu
#endif /* __AKANTU_DATA_ACCESSOR_HH__ */
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