Item_wr Class Reference

#include <btree.h>

Inheritance diagram for Item_wr:

[legend]Collaboration diagram for Item_wr:

[legend]List of all members.

Public Member Functions
	Item_wr (byte *p_, int c)
	Item_wr (byte *p_)
void	set_component_of (int i)
void	set_components_of (int m)
void	set_key_and_block (Key newkey, int truncate_size, uint4 n)
void	set_block_given_by (uint4 n)
	Set this item's tag to point to block n (this block should not be at level 0).
void	set_size (int l)
void	form_null_key (uint4 n)
	Form an item with a null key and with block number n in the tag.
void	form_key (const string &key_)
void	set_tag (int cd, const char *start, int len)
void	fake_root_item ()
Private Member Functions
void	set_key_len (int x)

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Detailed Description

Definition at line 217 of file btree.h.

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Constructor & Destructor Documentation

Item_wr::Item_wr	(	byte *	p_,
		int	c
	)			[inline]

Definition at line 221 of file btree.h.

Item_wr::Item_wr

(

byte *

p_

)

[inline]

Definition at line 222 of file btree.h.

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Member Function Documentation

void Item_wr::set_key_len

(

int

x

)

[inline, private]

Definition at line 218 of file btree.h.

References I2, Item_base< byte * >::p, and SETINT1().

Referenced by fake_root_item(), form_key(), and form_null_key().

void Item_wr::set_component_of

(

int

i

)

[inline]

Definition at line 223 of file btree.h.

References C2, GETK, I2, Item_base< byte * >::p, and SETINT2().

Referenced by Btree::add(), Btree::del(), fake_root_item(), and form_key().

void Item_wr::set_components_of

(

int

m

)

[inline]

Definition at line 226 of file btree.h.

References GETK, I2, Item_base< byte * >::p, and SETINT2().

Referenced by Btree::add(), and fake_root_item().

void Item_wr::set_key_and_block	(	Key	newkey,
		int	truncate_size,
		uint4	n
	)			[inline]

Definition at line 230 of file btree.h.

References C2, Key::get_address(), I2, K1, Key::length(), Item_base< byte * >::p, set_int4(), SETINT1(), and SETINT2().

Referenced by Btree::enter_key().

void Item_wr::set_block_given_by

(

uint4

n

)

[inline]

Set this item's tag to point to block n (this block should not be at level 0).

Definition at line 252 of file btree.h.

References BYTES_PER_BLOCK_NUMBER, Item_base< byte * >::p, set_int4(), and Item_base< byte * >::size().

void Item_wr::set_size

(

int

l

)

[inline]

Definition at line 255 of file btree.h.

References Item_base< byte * >::p, and SETINT2().

Referenced by fake_root_item(), form_null_key(), and set_tag().

void Item_wr::form_null_key

(

uint4

n

)

[inline]

Form an item with a null key and with block number n in the tag.

Definition at line 258 of file btree.h.

References I2, K1, Item_base< byte * >::p, set_int4(), set_key_len(), and set_size().

Referenced by Btree::split_root().

void Item_wr::form_key

(

const string &

key_

)

[inline]

Definition at line 263 of file btree.h.

References Assert, BTREE_MAX_KEY_LEN, C2, I2, K1, Item_base< byte * >::p, set_component_of(), and set_key_len().

Referenced by Btree::form_key().

void Item_wr::set_tag	(	int	cd,
		const char *	start,
		int	len
	)			[inline]

Definition at line 274 of file btree.h.

References Item_base< byte * >::p, and set_size().

Referenced by Btree::add().

void Item_wr::fake_root_item

(

)

[inline]

Definition at line 278 of file btree.h.

References C2, I2, K1, set_component_of(), set_components_of(), set_key_len(), and set_size().

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

• backends/quartz/btree.h

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