BID< Size > Class Template Reference

Detailed Description

template<size_t Size>
class foxxll::BID< Size >

Block identifier class.

Stores block identity, given by file and offset within the file

Definition at line 39 of file bid.hpp.

Inheritance diagram for BID< Size >:

Collaboration diagram for BID< Size >:

#include <bid.hpp>

Public Member Functions
	BID ()=default
	BID (file *s, const external_size_type &o)
template<size_t BlockSize>
	BID (const BID< BlockSize > &obj)
	construction from another block size More...
bool	is_managed () const
bool	operator!= (const BID< Size > &b) const
template<size_t BlockSize>
BID &	operator= (const BID< BlockSize > &obj)
	assignment from another block size More...
bool	operator== (const BID< Size > &b) const
request_ptr	read (void *data, size_t data_size, completion_handler on_complete=completion_handler())
	Reads data from the disk(s). More...
bool	valid () const
request_ptr	write (void *data, size_t data_size, completion_handler on_complete=completion_handler())
	Writes data to the disk(s). More...

Public Attributes
external_size_type	offset = 0
	offset within the file of the block (uint64_t) More...
file *	storage = nullptr
	pointer to the file of the block More...

Static Public Attributes
static constexpr size_t	size = Size
	Block size. More...
static constexpr size_t	t_size = Size
	Blocks size, given by the parameter. More...

Constructor & Destructor Documentation

BID() [1/3]

BID ( )

default

BID() [2/3]

BID ( file *  s, const external_size_type &  o  )

inline

Definition at line 54 of file bid.hpp.

BID() [3/3]

BID ( const BID< BlockSize > &  obj )

inlineexplicit

construction from another block size

Definition at line 58 of file bid.hpp.

Member Function Documentation

is_managed()

bool is_managed ( ) const

inline

Definition at line 75 of file bid.hpp.

Referenced by block_manager::delete_block().

operator!=()

bool operator!= ( const BID< Size > &  b ) const

inline

Definition at line 99 of file bid.hpp.

operator=()

BID& operator= ( const BID< BlockSize > &  obj )

inline

assignment from another block size

Definition at line 63 of file bid.hpp.

operator==()

bool operator== ( const BID< Size > &  b ) const

inline

Definition at line 94 of file bid.hpp.

Referenced by BID< raw_size >::operator!=(), and BID< 0 >::operator!=().

read()

request_ptr read ( void *  data, size_t  data_size, completion_handler  on_complete = completion_handler()  )

inline

Reads data from the disk(s).

Definition at line 88 of file bid.hpp.

valid()

bool valid ( ) const

inline

Definition at line 70 of file bid.hpp.

Referenced by block_manager::delete_block().

write()

request_ptr write ( void *  data, size_t  data_size, completion_handler  on_complete = completion_handler()  )

inline

Writes data to the disk(s).

Definition at line 81 of file bid.hpp.

Member Data Documentation

offset

external_size_type offset = 0

offset within the file of the block (uint64_t)

Definition at line 50 of file bid.hpp.

Referenced by block_manager::delete_block(), disk_block_allocator::delete_block(), BID< raw_size >::operator=(), BID< raw_size >::operator==(), typed_block< RawSize, Type, NRef, MetaInfoType >::read(), and typed_block< RawSize, Type, NRef, MetaInfoType >::write().

size

constexpr size_t size = Size

static

Block size.

Definition at line 43 of file bid.hpp.

Referenced by block_manager::delete_block(), and disk_block_allocator::delete_block().

storage

file* storage = nullptr

pointer to the file of the block

Definition at line 48 of file bid.hpp.

Referenced by block_manager::delete_block(), BID< raw_size >::operator=(), BID< raw_size >::operator==(), typed_block< RawSize, Type, NRef, MetaInfoType >::read(), and typed_block< RawSize, Type, NRef, MetaInfoType >::write().

t_size

constexpr size_t t_size = Size

static

Blocks size, given by the parameter.

Definition at line 45 of file bid.hpp.

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

• extlib/foxxll/foxxll/mng/bid.hpp