Glass::Cursor Class Reference

#include <glass_cursor.h>

Public Member Functions
	Cursor ()
	Constructor. More...
	~Cursor ()
uint8_t *	init (unsigned block_size)
const uint8_t *	clone (const Cursor &o)
void	swap (Cursor &o)
void	destroy ()
uint4 &	refs () const
uint4	get_n () const
	Get the block number. More...
void	set_n (uint4 n)
const uint8_t *	get_p () const
	Get pointer to block. More...
uint8_t *	get_modifiable_p (unsigned block_size)

Public Attributes
int	c
	offset in the block's directory More...
bool	rewrite
	true if the block is not the same as on disk, and so needs rewriting More...

Private Member Functions
	Cursor (const Cursor &)
Cursor &	operator= (const Cursor &)

Private Attributes
char *	data
	Pointer to reference counted data. More...

Detailed Description

Definition at line 40 of file glass_cursor.h.

Constructor & Destructor Documentation

Cursor() [1/2]

Glass::Cursor::Cursor ( const Cursor &  )

private

Cursor() [2/2]

Glass::Cursor::Cursor ( )

inline

Constructor.

Definition at line 50 of file glass_cursor.h.

~Cursor()

Glass::Cursor::~Cursor ( )

inline

Definition at line 52 of file glass_cursor.h.

References destroy().

Member Function Documentation

clone()

const uint8_t* Glass::Cursor::clone ( const Cursor &  o )

inline

Definition at line 68 of file glass_cursor.h.

References data, destroy(), and refs().

Referenced by GlassTable::block_to_cursor(), GlassCursor::GlassCursor(), GlassTable::next_for_sequential(), GlassTable::prev_for_sequential(), and GlassCursor::rebuild().

destroy()

void Glass::Cursor::destroy ( )

inline

Definition at line 83 of file glass_cursor.h.

References data, refs(), and rewrite.

Referenced by clone(), GlassTable::close(), GlassCursor::rebuild(), and ~Cursor().

get_modifiable_p()

uint8_t* Glass::Cursor::get_modifiable_p ( unsigned  block_size )

inline

Definition at line 121 of file glass_cursor.h.

References rare, and refs().

get_n()

uint4 Glass::Cursor::get_n ( ) const

inline

Get the block number.

Returns BLK_UNUSED if no block is currently loaded.

Definition at line 101 of file glass_cursor.h.

References alignment_cast(), and Assert.

Referenced by GlassTableCheck::block_check(), GlassTableCheck::check(), GlassTable::commit(), GlassTable::next_for_sequential(), GlassTable::prev_for_sequential(), and GlassTableCheck::report_cursor().

get_p()

const uint8_t* Glass::Cursor::get_p ( ) const

inline

Get pointer to block.

Returns NULL if no block is currently loaded.

Definition at line 116 of file glass_cursor.h.

References rare.

Referenced by GlassTableCheck::block_check(), GlassTable::next_default(), GlassTable::next_for_sequential(), and GlassTable::prev_default().

init()

uint8_t* Glass::Cursor::init ( unsigned  block_size )

inline

Definition at line 54 of file glass_cursor.h.

References BLK_UNUSED, c, refs(), rewrite, and set_n().

Referenced by GlassTable::block_to_cursor(), GlassTable::cancel(), GlassTable::commit(), GlassTable::next_for_sequential(), GlassTable::prev_for_sequential(), and GlassCursor::rebuild().

operator=()

Cursor& Glass::Cursor::operator= ( const Cursor &  )

private

refs()

uint4& Glass::Cursor::refs ( ) const

inline

Definition at line 92 of file glass_cursor.h.

References alignment_cast(), Assert, and data.

Referenced by clone(), destroy(), get_modifiable_p(), and init().

set_n()

void Glass::Cursor::set_n ( uint4  n )

inline

Definition at line 106 of file glass_cursor.h.

References alignment_cast(), and Assert.

Referenced by GlassTable::block_to_cursor(), init(), GlassTable::next_for_sequential(), and GlassTable::prev_for_sequential().

swap()

void Glass::Cursor::swap ( Cursor &  o )

inline

Definition at line 77 of file glass_cursor.h.

References c, data, and rewrite.

Referenced by GlassCursor::rebuild().

Member Data Documentation

c

int Glass::Cursor::c

offset in the block's directory

Definition at line 134 of file glass_cursor.h.

Referenced by GlassTableCheck::block_check(), GlassCursor::find_entry(), GlassCursor::get_key(), init(), GlassTable::next_default(), GlassTable::next_for_sequential(), GlassTable::prev_default(), GlassTable::prev_for_sequential(), GlassTableCheck::report_cursor(), and swap().

data

char* Glass::Cursor::data

private

Pointer to reference counted data.

Definition at line 46 of file glass_cursor.h.

Referenced by clone(), destroy(), refs(), and swap().

rewrite

bool Glass::Cursor::rewrite

true if the block is not the same as on disk, and so needs rewriting

Definition at line 137 of file glass_cursor.h.

Referenced by GlassTable::block_to_cursor(), GlassTable::cancel(), destroy(), init(), GlassTableCheck::report_cursor(), and swap().

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

• backends/glass/glass_cursor.h