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muSpectre/src/common/field_collection_base.hh
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field_collection_base.hh
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/**
* file field_collection_base.hh
*
* @author Till Junge <till.junge@altermail.ch>
*
* @date 05 Nov 2017
*
* @brief Base class for field collections
*
* @section LICENCE
*
* Copyright © 2017 Till Junge
*
* µSpectre 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 3, or (at
* your option) any later version.
*
* µSpectre 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 GNU Emacs; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef FIELD_COLLECTION_BASE_H
#define FIELD_COLLECTION_BASE_H
#include "common/common.hh"
#include "common/field.hh"
#include <map>
#include <vector>
namespace muSpectre {
/* ---------------------------------------------------------------------- */
//! DimS spatial dimension (dimension of problem)
//! DimM material_dimension (dimension of constitutive law)
template <Dim_t DimS, Dim_t DimM, class FieldCollectionDerived>
class FieldCollectionBase
{
public:
using Field = internal::FieldBase<FieldCollectionDerived>;
using Field_p = std::unique_ptr<Field>;
using Ccoord = Ccoord_t<DimS>;
//! Default constructor
FieldCollectionBase();
//! Copy constructor
FieldCollectionBase(const FieldCollectionBase &other) = delete;
//! Move constructor
FieldCollectionBase(FieldCollectionBase &&other) = delete;
//! Destructor
virtual ~FieldCollectionBase() = default;
//! Copy assignment operator
FieldCollectionBase& operator=(const FieldCollectionBase &other) = delete;
//! Move assignment operator
FieldCollectionBase& operator=(FieldCollectionBase &&other) = delete;
//! Register a new field (fields need to be in heap, so I want to keep them
//! as shared pointers
void register_field(Field_p&& field);
//! for return values of iterators
constexpr inline static Dim_t spatial_dim();
//! for return values of iterators
inline Dim_t get_spatial_dim() const;
//! retrieve field by unique_name
inline Field& operator[](std::string unique_name);
//! retrieve field by unique_name with bounds checking
inline Field& at(std::string unique_name);
//! returns size of collection, this refers to the number of pixels handled
//! by the collection, not the number of fields
inline size_t size() const {return this->size_;}
protected:
std::map<const std::string, Field_p> fields{};
bool is_initialised{false};
const Uint id;
static Uint counter;
size_t size_{0};
private:
};
/* ---------------------------------------------------------------------- */
template <Dim_t DimS, Dim_t DimM, class FieldCollectionDerived>
Uint FieldCollectionBase<DimS, DimM, FieldCollectionDerived>::counter{0};
/* ---------------------------------------------------------------------- */
template <Dim_t DimS, Dim_t DimM, class FieldCollectionDerived>
FieldCollectionBase<DimS, DimM, FieldCollectionDerived>::FieldCollectionBase()
:id(counter++){}
/* ---------------------------------------------------------------------- */
template <Dim_t DimS, Dim_t DimM, class FieldCollectionDerived>
void FieldCollectionBase<DimS, DimM, FieldCollectionDerived>::register_field(Field_p &&field) {
auto&& search_it = this->fields.find(field->get_name());
auto&& does_exist = search_it != this->fields.end();
if (does_exist) {
std::stringstream err_str;
err_str << "a field named " << field->get_name()
<< "is already registered in this field collection. "
<< "Currently registered fields: ";
for (const auto& name_field_pair: this->fields) {
err_str << ", " << name_field_pair.first;
}
throw FieldCollectionError(err_str.str());
}
if (this->is_initialised) {
field->resize(this->size());
}
this->fields[field->get_name()] = std::move(field);
}
/* ---------------------------------------------------------------------- */
template <Dim_t DimS, Dim_t DimM, class FieldCollectionDerived>
constexpr Dim_t FieldCollectionBase<DimS, DimM, FieldCollectionDerived>::
spatial_dim() {
return DimS;
}
/* ---------------------------------------------------------------------- */
template <Dim_t DimS, Dim_t DimM, class FieldCollectionDerived>
Dim_t FieldCollectionBase<DimS, DimM, FieldCollectionDerived>::
get_spatial_dim() const {
return DimS;
}
/* ---------------------------------------------------------------------- */
template <Dim_t DimS, Dim_t DimM, class FieldCollectionDerived>
typename FieldCollectionBase<DimS, DimM, FieldCollectionDerived>::Field&
FieldCollectionBase<DimS, DimM, FieldCollectionDerived>::
operator[](std::string unique_name) {
return *(this->fields[unique_name]);
}
/* ---------------------------------------------------------------------- */
template <Dim_t DimS, Dim_t DimM, class FieldCollectionDerived>
typename FieldCollectionBase<DimS, DimM, FieldCollectionDerived>::Field&
FieldCollectionBase<DimS, DimM, FieldCollectionDerived>::
at(std::string unique_name) {
return *(this->fields.at(unique_name));
}
} // muSpectre
#endif /* FIELD_COLLECTION_BASE_H */
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