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rAKA/src/mesh/element_type_map.hh
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element_type_map.hh
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/**
* @file element_type_map.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Wed Aug 31 2011
* @date last modification: Fri Oct 02 2015
*
* @brief storage class by element type
*
* @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_array.hh"
#include "aka_memory.hh"
#include "aka_named_argument.hh"
#include "element.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_ELEMENT_TYPE_MAP_HH__
#define __AKANTU_ELEMENT_TYPE_MAP_HH__
namespace akantu {
class FEEngine;
} // namespace akantu
namespace akantu {
template <class Stored, typename SupportType = ElementType>
class ElementTypeMap;
/* -------------------------------------------------------------------------- */
/* ElementTypeMapBase */
/* -------------------------------------------------------------------------- */
/// Common non templated base class for the ElementTypeMap class
class ElementTypeMapBase {
public:
virtual ~ElementTypeMapBase(){};
};
/* -------------------------------------------------------------------------- */
/* ElementTypeMap */
/* -------------------------------------------------------------------------- */
template <class Stored, typename SupportType>
class ElementTypeMap : public ElementTypeMapBase {
public:
ElementTypeMap();
~ElementTypeMap();
inline static std::string printType(const SupportType & type,
const GhostType & ghost_type);
/*! Tests whether a type is present in the object
* @param type the type to check for
* @param ghost_type optional: by default, the data map for non-ghost
* elements is searched
* @return true if the type is present. */
inline bool exists(const SupportType & type,
const GhostType & ghost_type = _not_ghost) const;
/*! get the stored data corresponding to a type
* @param type the type to check for
* @param ghost_type optional: by default, the data map for non-ghost
* elements is searched
* @return stored data corresponding to type. */
inline const Stored &
operator()(const SupportType & type,
const GhostType & ghost_type = _not_ghost) const;
/*! get the stored data corresponding to a type
* @param type the type to check for
* @param ghost_type optional: by default, the data map for non-ghost
* elements is searched
* @return stored data corresponding to type. */
inline Stored & operator()(const SupportType & type,
const GhostType & ghost_type = _not_ghost);
/*! insert data of a new type (not yet present) into the map. THIS METHOD IS
* NOT ARRAY SAFE, when using ElementTypeMapArray, use setArray instead
* @param data to insert
* @param type type of data (if this type is already present in the map,
* an exception is thrown).
* @param ghost_type optional: by default, the data map for non-ghost
* elements is searched
* @return stored data corresponding to type. */
inline Stored & operator()(const Stored & insert, const SupportType & type,
const GhostType & ghost_type = _not_ghost);
/// print helper
virtual void printself(std::ostream & stream, int indent = 0) const;
/* ------------------------------------------------------------------------ */
/* Element type Iterator */
/* ------------------------------------------------------------------------ */
/*! iterator allows to iterate over type-data pairs of the map. The interface
* expects the SupportType to be ElementType. */
typedef std::map<SupportType, Stored> DataMap;
class type_iterator
: private std::iterator<std::forward_iterator_tag, const SupportType> {
public:
typedef const SupportType value_type;
typedef const SupportType * pointer;
typedef const SupportType & reference;
protected:
typedef typename ElementTypeMap<Stored>::DataMap::const_iterator
DataMapIterator;
public:
type_iterator(DataMapIterator & list_begin, DataMapIterator & list_end,
UInt dim, ElementKind ek);
type_iterator(const type_iterator & it);
type_iterator() {}
inline reference operator*();
inline reference operator*() const;
inline type_iterator & operator++();
type_iterator operator++(int);
inline bool operator==(const type_iterator & other) const;
inline bool operator!=(const type_iterator & other) const;
type_iterator & operator=(const type_iterator & other);
private:
DataMapIterator list_begin;
DataMapIterator list_end;
UInt dim;
ElementKind kind;
};
/// helper class to use in range for constructions
class ElementTypesIteratorHelper {
public:
using Container = ElementTypeMap<Stored, SupportType>;
using iterator = typename Container::type_iterator;
ElementTypesIteratorHelper(const Container & container,
UInt dim = _all_dimensions,
GhostType ghost_type = _not_ghost,
ElementKind kind = _ek_regular)
: container(std::cref(container)), dim(dim), ghost_type(ghost_type),
kind(kind) {}
ElementTypesIteratorHelper(const ElementTypesIteratorHelper &) = default;
ElementTypesIteratorHelper &
operator=(const ElementTypesIteratorHelper &) = default;
ElementTypesIteratorHelper &
operator=(ElementTypesIteratorHelper &&) = default;
iterator begin() {
return container.get().firstType(dim, ghost_type, kind);
}
iterator end() { return container.get().lastType(dim, ghost_type, kind); }
private:
std::reference_wrapper<const Container> container;
UInt dim;
GhostType ghost_type;
ElementKind kind;
};
/// method to create the helper class to use in range for constructs
ElementTypesIteratorHelper elementTypes(UInt dim = _all_dimensions,
GhostType ghost_type = _not_ghost,
ElementKind kind = _ek_regular) const;
/*! Get an iterator to the beginning of a subset datamap. This method expects
* the SupportType to be ElementType.
* @param dim optional: iterate over data of dimension dim (e.g. when
* iterating over (surface) facets of a 3D mesh, dim would be 2).
* by default, all dimensions are considered.
* @param ghost_type optional: by default, the data map for non-ghost
* elements is iterated over.
* @param kind optional: the kind of element to search for (see
* aka_common.hh), by default all kinds are considered
* @return an iterator to the first stored data matching the filters
* or an iterator to the end of the map if none match*/
inline type_iterator firstType(UInt dim = _all_dimensions,
GhostType ghost_type = _not_ghost,
ElementKind kind = _ek_not_defined) const;
/*! Get an iterator to the end of a subset datamap. This method expects
* the SupportType to be ElementType.
* @param dim optional: iterate over data of dimension dim (e.g. when
* iterating over (surface) facets of a 3D mesh, dim would be 2).
* by default, all dimensions are considered.
* @param ghost_type optional: by default, the data map for non-ghost
* elements is iterated over.
* @param kind optional: the kind of element to search for (see
* aka_common.hh), by default all kinds are considered
* @return an iterator to the last stored data matching the filters
* or an iterator to the end of the map if none match */
inline type_iterator lastType(UInt dim = _all_dimensions,
GhostType ghost_type = _not_ghost,
ElementKind kind = _ek_not_defined) const;
protected:
/*! Direct access to the underlying data map. for internal use by daughter
* classes only
* @param ghost_type whether to return the data map or the ghost_data map
* @return the raw map */
inline DataMap & getData(GhostType ghost_type);
/*! Direct access to the underlying data map. for internal use by daughter
* classes only
* @param ghost_type whether to return the data map or the ghost_data map
* @return the raw map */
inline const DataMap & getData(GhostType ghost_type) const;
/* ------------------------------------------------------------------------ */
protected:
DataMap data;
DataMap ghost_data;
};
/* -------------------------------------------------------------------------- */
/* Some typedefs */
/* -------------------------------------------------------------------------- */
template <typename T, typename SupportType>
class ElementTypeMapArray : public ElementTypeMap<Array<T> *, SupportType>,
public Memory {
public:
using type = T;
using array_type = Array<T>;
protected:
using parent = ElementTypeMap<Array<T> *, SupportType>;
using DataMap = typename parent::DataMap;
public:
using type_iterator = typename parent::type_iterator;
/// standard assigment (copy) operator
void operator=(const ElementTypeMapArray &) = delete;
ElementTypeMapArray(const ElementTypeMapArray &) = delete;
/*! Constructor
* @param id optional: identifier (string)
* @param parent_id optional: parent identifier. for organizational purposes
* only
* @param memory_id optional: choose a specific memory, defaults to memory 0
*/
ElementTypeMapArray(const ID & id = "by_element_type_array",
const ID & parent_id = "no_parent",
const MemoryID & memory_id = 0)
: parent(), Memory(parent_id + ":" + id, memory_id), name(id){};
/*! allocate memory for a new array
* @param size number of tuples of the new array
* @param nb_component tuple size
* @param type the type under which the array is indexed in the map
* @param ghost_type whether to add the field to the data map or the
* ghost_data map
* @return a reference to the allocated array */
inline Array<T> & alloc(UInt size, UInt nb_component,
const SupportType & type,
const GhostType & ghost_type,
const T & default_value = T());
/*! allocate memory for a new array in both the data and the ghost_data map
* @param size number of tuples of the new array
* @param nb_component tuple size
* @param type the type under which the array is indexed in the map*/
inline void alloc(UInt size, UInt nb_component, const SupportType & type,
const T & default_value = T());
/* get a reference to the array of certain type
* @param type data filed under type is returned
* @param ghost_type optional: by default the non-ghost map is searched
* @return a reference to the array */
inline const Array<T> &
operator()(const SupportType & type,
const GhostType & ghost_type = _not_ghost) const;
/// access the data of an element, this combine the map and array accessor
inline const T & operator()(const Element & element) const;
/// access the data of an element, this combine the map and array accessor
inline T & operator()(const Element & element);
/* get a reference to the array of certain type
* @param type data filed under type is returned
* @param ghost_type optional: by default the non-ghost map is searched
* @return a const reference to the array */
inline Array<T> & operator()(const SupportType & type,
const GhostType & ghost_type = _not_ghost);
/*! insert data of a new type (not yet present) into the map.
* @param type type of data (if this type is already present in the map,
* an exception is thrown).
* @param ghost_type optional: by default, the data map for non-ghost
* elements is searched
* @param vect the vector to include into the map
* @return stored data corresponding to type. */
inline void setArray(const SupportType & type, const GhostType & ghost_type,
const Array<T> & vect);
/*! frees all memory related to the data*/
inline void free();
/*! set all values in the ElementTypeMap to zero*/
inline void clear();
/*! deletes and reorders entries in the stored arrays
* @param new_numbering a ElementTypeMapArray of new indices. UInt(-1)
* indicates
* deleted entries. */
inline void
onElementsRemoved(const ElementTypeMapArray<UInt> & new_numbering);
/// text output helper
virtual void printself(std::ostream & stream, int indent = 0) const;
/*! set the id
* @param id the new name
*/
inline void setID(const ID & id) { this->id = id; }
ElementTypeMap<UInt>
getNbComponents(UInt dim = _all_dimensions, GhostType ghost_type = _not_ghost,
ElementKind kind = _ek_not_defined) const {
ElementTypeMap<UInt> nb_components;
for (auto & type : this->elementTypes(dim, ghost_type, kind)) {
UInt nb_comp = (*this)(type, ghost_type).getNbComponent();
nb_components(type, ghost_type) = nb_comp;
}
return nb_components;
}
/* ------------------------------------------------------------------------ */
/* more evolved allocators */
/* ------------------------------------------------------------------------ */
public:
/// initialize the arrays in accordance to a functor
template <class Func>
void initialize(const Func & f, const T & default_value = T());
/// initialize with sizes and number of components in accordance of a mesh
/// content
template <typename... pack>
void initialize(const Mesh & mesh, pack &&... _pack);
/// initialize with sizes and number of components in accordance of a fe
/// engine content (aka integration points)
template <typename... pack>
void initialize(const FEEngine & fe_engine, pack &&... _pack);
/* ------------------------------------------------------------------------ */
/* Accesssors */
/* ------------------------------------------------------------------------ */
public:
/// get the name of the internal field
AKANTU_GET_MACRO(Name, name, ID);
/// name of the elment type map: e.g. connectivity, grad_u
ID name;
};
/// to store data Array<Real> by element type
using ElementTypeMapReal = ElementTypeMapArray<Real>;
/// to store data Array<Int> by element type
using ElementTypeMapInt = ElementTypeMapArray<Int>;
/// to store data Array<UInt> by element type
using ElementTypeMapUInt = ElementTypeMapArray<UInt, ElementType>;
/// Map of data of type UInt stored in a mesh
using UIntDataMap = std::map<std::string, Array<UInt> *>;
using ElementTypeMapUIntDataMap = ElementTypeMap<UIntDataMap, ElementType>;
} // namespace akantu
#endif /* __AKANTU_ELEMENT_TYPE_MAP_HH__ */
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