chainbase::chainbase_node_allocator< T, S > Class Template Reference

#include <chainbase_node_allocator.hpp>

Public Types
using	value_type = T
using	pointer = bip::offset_ptr<T>
using	segment_manager = pinnable_mapped_file::segment_manager

Public Member Functions
	chainbase_node_allocator (segment_manager *manager)
	chainbase_node_allocator (const chainbase_node_allocator &other)
template<typename U >
	chainbase_node_allocator (const chainbase_node_allocator< U, S > &other)
pointer	allocate (std::size_t num)
void	deallocate (const pointer &p, std::size_t num)
bool	operator== (const chainbase_node_allocator &other) const
bool	operator!= (const chainbase_node_allocator &other) const
segment_manager *	get_segment_manager () const

Friends
template<typename T2 , typename S2 >
class	chainbase_node_allocator

Detailed Description

template<typename T, typename S>
class chainbase::chainbase_node_allocator< T, S >

Definition at line 218 of file undo_index.hpp.

Member Typedef Documentation

pointer

template<typename T , typename S >

using chainbase::chainbase_node_allocator< T, S >::pointer = bip::offset_ptr<T>

Definition at line 16 of file chainbase_node_allocator.hpp.

segment_manager

template<typename T , typename S >

using chainbase::chainbase_node_allocator< T, S >::segment_manager = pinnable_mapped_file::segment_manager

Definition at line 17 of file chainbase_node_allocator.hpp.

value_type

template<typename T , typename S >

using chainbase::chainbase_node_allocator< T, S >::value_type = T

Definition at line 15 of file chainbase_node_allocator.hpp.

Constructor & Destructor Documentation

chainbase_node_allocator() [1/3]

template<typename T , typename S >

chainbase::chainbase_node_allocator< T, S >::chainbase_node_allocator ( segment_manager * manager )

inline

Definition at line 18 of file chainbase_node_allocator.hpp.

: _manager{manager} {}

chainbase_node_allocator() [2/3]

template<typename T , typename S >

chainbase::chainbase_node_allocator< T, S >::chainbase_node_allocator ( const chainbase_node_allocator< T, S > & other )

inline

Definition at line 19 of file chainbase_node_allocator.hpp.

: _manager(other._manager) {}

chainbase_node_allocator() [3/3]

template<typename T , typename S >

template<typename U >

chainbase::chainbase_node_allocator< T, S >::chainbase_node_allocator ( const chainbase_node_allocator< U, S > & other )

inline

Definition at line 21 of file chainbase_node_allocator.hpp.

: _manager(other._manager) {}

Member Function Documentation

allocate()

template<typename T , typename S >

pointer chainbase::chainbase_node_allocator< T, S >::allocate ( std::size_t num )

inline

Definition at line 22 of file chainbase_node_allocator.hpp.

                                      {
         if (num == 1) {
            if (_freelist == nullptr) {
               get_some();
            }
            list_item* result = &*_freelist;
            _freelist = _freelist->_next;
            result->~list_item();
            return pointer{(T*)result};
         } else {
            return pointer{(T*)_manager->allocate(num*sizeof(T))};
         }
      }

deallocate()

template<typename T , typename S >

void chainbase::chainbase_node_allocator< T, S >::deallocate ( const pointer & p, std::size_t num )

inline

Definition at line 35 of file chainbase_node_allocator.hpp.

                                                       {
         if (num == 1) {
            _freelist = new (&*p) list_item{_freelist};
         } else {
            _manager->deallocate(&*p);
         }
      }

get_segment_manager()

template<typename T , typename S >

segment_manager * chainbase::chainbase_node_allocator< T, S >::get_segment_manager ( ) const

inline

Definition at line 44 of file chainbase_node_allocator.hpp.

{ return _manager.get(); }

operator!=()

template<typename T , typename S >

bool chainbase::chainbase_node_allocator< T, S >::operator!= ( const chainbase_node_allocator< T, S > & other ) const

inline

Definition at line 43 of file chainbase_node_allocator.hpp.

{ return this != &other; }

operator==()

template<typename T , typename S >

bool chainbase::chainbase_node_allocator< T, S >::operator== ( const chainbase_node_allocator< T, S > & other ) const

inline

Definition at line 42 of file chainbase_node_allocator.hpp.

{ return this == &other; }

Friends And Related Symbol Documentation

chainbase_node_allocator

template<typename T , typename S >

template<typename T2 , typename S2 >

friend class chainbase_node_allocator

friend

Definition at line 47 of file chainbase_node_allocator.hpp.

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The documentation for this class was generated from the following files:

• libraries/chainbase/include/chainbase/chainbase_node_allocator.hpp
• libraries/chainbase/include/chainbase/undo_index.hpp