BID< 0 > Class Template Reference

Detailed Description

template<>
class foxxll::BID< 0 >

Specialization of block identifier class (BID) for variable size block size.

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

Definition at line 112 of file bid.hpp.

Collaboration diagram for BID< 0 >:

#include <bid.hpp>

Public Member Functions
	BID ()=default
	BID (file *f, const external_size_type &o, size_t s)
bool	is_managed () const
bool	operator!= (const BID< 0 > &b) const
bool	operator== (const BID< 0 > &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...
size_t	size = 0
	size of the block in bytes More...
file *	storage = nullptr
	pointer to the file of the block More...

Static Public Attributes
static constexpr size_t	t_size = 0
	Blocks size, given by the parameter. More...

Constructor & Destructor Documentation

BID() [1/2]

BID ( )

default

BID() [2/2]

BID ( file *  f, const external_size_type &  o, size_t  s  )

inline

Definition at line 127 of file bid.hpp.

Member Function Documentation

is_managed()

bool is_managed ( ) const

inline

Definition at line 135 of file bid.hpp.

References file::get_allocator_id(), and file::NO_ALLOCATOR.

operator!=()

bool operator!= ( const BID< 0 > &  b ) const

inline

Definition at line 159 of file bid.hpp.

References BID< Size >::operator==().

operator==()

bool operator== ( const BID< 0 > &  b ) const

inline

Definition at line 154 of file bid.hpp.

References BID< 0 >::offset, BID< 0 >::size, and BID< 0 >::storage.

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 148 of file bid.hpp.

References file::aread().

valid()

bool valid ( ) const

inline

Definition at line 130 of file bid.hpp.

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 141 of file bid.hpp.

References file::awrite().

Member Data Documentation

offset

external_size_type offset = 0

offset within the file of the block (uint64_t)

Definition at line 118 of file bid.hpp.

Referenced by BlockPool::EvictBlockLRU(), BID< 0 >::operator==(), BlockPool::PinBlock(), typed_block< RawSize, Type, NRef, MetaInfoType >::read(), and typed_block< RawSize, Type, NRef, MetaInfoType >::write().

size

size_t size = 0

size of the block in bytes

Definition at line 120 of file bid.hpp.

Referenced by BlockPool::EvictBlockLRU(), BID< 0 >::operator==(), typed_block< RawSize, Type, NRef, MetaInfoType >::read(), and typed_block< RawSize, Type, NRef, MetaInfoType >::write().

storage

file* storage = nullptr

pointer to the file of the block

Definition at line 116 of file bid.hpp.

Referenced by BlockPool::EvictBlockLRU(), BID< 0 >::operator==(), BlockPool::PinBlock(), typed_block< RawSize, Type, NRef, MetaInfoType >::read(), and typed_block< RawSize, Type, NRef, MetaInfoType >::write().

t_size

constexpr size_t t_size = 0

static

Blocks size, given by the parameter.

Definition at line 123 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