Page MenuHomec4science
Files F90685062

aka_static_memory.hh
No OneTemporary
Actions

File Metadata

Created
Sun, Nov 3, 21:07

aka_static_memory.hh
View Options

/**
* @file aka_static_memory.hh
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @date Thu Jun 10 14:19:25 2010
*
* @brief Memory management
*
* @section LICENSE
*
* <insert license here>
*
* @section DESCRIPTION
*
* The class handling the memory, allocation/reallocation/desallocation
* The objects can register their array and ask for allocation or realocation
*/
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_STATIC_MEMORY_HH__
#define __AKANTU_STATIC_MEMORY_HH__
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "aka_vector.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
typedef std::map<VectorID, VectorBase *> VectorMap;
typedef std::map<MemoryID, VectorMap> MemoryMap;
/**
* @class StaticMemory
* @brief Class for memory management common to all objects (this class as to
* be accessed by an interface class memory)
*/
class StaticMemory {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
private:
/// Default constructor
StaticMemory() {};
public:
virtual ~StaticMemory();
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/// Get the global instance of the StaticMemory
static StaticMemory * getStaticMemory();
static bool isInstantiated() { return is_instantiated; };
/// remove a reference on the static memory
void destroy();
/// access to an Vector
inline const VectorBase & getVector(const MemoryID & memory_id,
const VectorID & name) const;
/// get all vectors of a memory
inline const VectorMap & getMemory(const MemoryID & memory_id) const;
/* ------------------------------------------------------------------------ */
/* Class Methods */
/* ------------------------------------------------------------------------ */
public:
/**
* Allocation of an array of type
*
* @param memory_id the id of the memory accessing to the static memory
* @param name name of the array (for example connectivity)
* @param size number of size (for example number of nodes)
* @param nb_component number of component (for example spatial dimension)
* @param type the type code of the array to be allocated
*
* @return pointer to an array of size nb_tupes * nb_component * sizeof(T)
*/
template<typename T>
Vector<T> & smalloc(const MemoryID & memory_id, const VectorID & name,
UInt size, UInt nb_component);
template<typename T>
Vector<T> & smalloc(const MemoryID & memory_id,
const VectorID & name,
UInt size,
UInt nb_component,
const T & init_value);
/**
* free the memory associated to the array name
*
* @param memory_id the id of the memory accessing to the static memory
* @param name the name of an existing array
*/
void sfree(const MemoryID & memory_id, const VectorID & name);
/// function to print the containt of the class
virtual void printself(std::ostream & stream, int indent = 0) const;
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
/// is the static memory instantiated
static bool is_instantiated;
/// unique instance of the StaticMemory
static StaticMemory * single_static_memory;
/// map of all allocated arrays, indexed by their names
MemoryMap memories;
/// number of references on the static memory
static UInt nb_reference;
};
#include "aka_static_memory_inline_impl.cc"
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
/// standard output stream operator
inline std::ostream & operator<<(std::ostream & stream, const StaticMemory & _this)
{
_this.printself(stream);
return stream;
}
__END_AKANTU__
#endif /* __AKANTU_STATIC_MEMORY_HH__ */

Event Timeline

c4science · Help