BrassDatabaseStats Class Reference

Brass class for database statistics. More...

#include <brass_dbstats.h>

List of all members.

Public Member Functions
	BrassDatabaseStats ()
totlen_t	get_total_doclen () const
Xapian::docid	get_last_docid () const
Xapian::termcount	get_doclength_lower_bound () const
Xapian::termcount	get_doclength_upper_bound () const
Xapian::termcount	get_wdf_upper_bound () const
brass_revision_number_t	get_oldest_changeset () const
void	zero ()
void	read (BrassPostListTable &postlist_table)
void	set_last_docid (Xapian::docid did)
void	set_oldest_changeset (brass_revision_number_t changeset)
void	add_document (Xapian::termcount doclen)
void	delete_document (Xapian::termcount doclen)
void	check_wdf (Xapian::termcount wdf)
Xapian::docid	get_next_docid ()
void	write (BrassPostListTable &postlist_table) const
Private Member Functions
void	operator= (const BrassDatabaseStats &)
	Don't allow assignment.
	BrassDatabaseStats (const BrassDatabaseStats &)
	Don't allow copying.
Private Attributes
totlen_t	total_doclen
	The total of the lengths of all documents in the database.
Xapian::docid	last_docid
	Greatest document id ever used in this database.
Xapian::termcount	doclen_lbound
	A lower bound on the smallest document length in this database.
Xapian::termcount	doclen_ubound
	An upper bound on the greatest document length in this database.
Xapian::termcount	wdf_ubound
	An upper bound on the greatest wdf in this database.
brass_revision_number_t	oldest_changeset
	Oldest changeset removed when max_changesets is set.

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Detailed Description

Brass class for database statistics.

Definition at line 33 of file brass_dbstats.h.

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Constructor & Destructor Documentation

BrassDatabaseStats::BrassDatabaseStats

(

const BrassDatabaseStats &

)

[private]

Don't allow copying.

BrassDatabaseStats::BrassDatabaseStats

(

)

[inline]

Definition at line 59 of file brass_dbstats.h.

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Member Function Documentation

void BrassDatabaseStats::add_document

(

Xapian::termcount

doclen

)

[inline]

Definition at line 94 of file brass_dbstats.h.

References doclen_lbound, doclen_ubound, and total_doclen.

Referenced by BrassWritableDatabase::add_document_(), and BrassWritableDatabase::replace_document().

void BrassDatabaseStats::check_wdf

(

Xapian::termcount

wdf

)

[inline]

Definition at line 113 of file brass_dbstats.h.

References wdf_ubound.

Referenced by BrassWritableDatabase::add_document_(), and BrassWritableDatabase::replace_document().

void BrassDatabaseStats::delete_document

(

Xapian::termcount

doclen

)

[inline]

Definition at line 102 of file brass_dbstats.h.

References doclen_lbound, doclen_ubound, total_doclen, and wdf_ubound.

Referenced by BrassWritableDatabase::delete_document(), and BrassWritableDatabase::replace_document().

Xapian::termcount BrassDatabaseStats::get_doclength_lower_bound

(

)

const [inline]

Definition at line 67 of file brass_dbstats.h.

References doclen_lbound.

Referenced by BrassDatabase::get_doclength_lower_bound().

Xapian::termcount BrassDatabaseStats::get_doclength_upper_bound

(

)

const [inline]

Definition at line 71 of file brass_dbstats.h.

References doclen_ubound.

Referenced by BrassDatabase::get_doclength_upper_bound().

Xapian::docid BrassDatabaseStats::get_last_docid

(

)

const [inline]

Definition at line 65 of file brass_dbstats.h.

References last_docid.

Referenced by BrassWritableDatabase::add_document(), BrassDatabase::get_lastdocid(), BrassWritableDatabase::open_post_list(), BrassDatabase::open_post_list(), and BrassWritableDatabase::replace_document().

Xapian::docid BrassDatabaseStats::get_next_docid

(

)

[inline]

Definition at line 117 of file brass_dbstats.h.

References last_docid.

Referenced by BrassWritableDatabase::add_document().

brass_revision_number_t BrassDatabaseStats::get_oldest_changeset

(

)

const [inline]

Definition at line 77 of file brass_dbstats.h.

References oldest_changeset.

Referenced by BrassDatabase::set_revision_number().

totlen_t BrassDatabaseStats::get_total_doclen

(

)

const [inline]

Definition at line 63 of file brass_dbstats.h.

References total_doclen.

Referenced by BrassDatabase::get_avlength(), and BrassDatabase::get_total_length().

Xapian::termcount BrassDatabaseStats::get_wdf_upper_bound

(

)

const [inline]

Definition at line 75 of file brass_dbstats.h.

References wdf_ubound.

Referenced by BrassDatabase::get_wdf_upper_bound().

void BrassDatabaseStats::operator=

(

const BrassDatabaseStats &

)

[private]

Don't allow assignment.

void BrassDatabaseStats::read

(

BrassPostListTable &

postlist_table

)

Definition at line 34 of file brass_dbstats.cc.

References DATABASE_STATS_KEY(), doclen_lbound, doclen_ubound, BrassTable::get_exact_entry(), last_docid, oldest_changeset, total_doclen, unpack_uint(), unpack_uint_last(), wdf_ubound, and zero().

Referenced by BrassWritableDatabase::cancel(), and BrassDatabase::open_tables_consistent().

void BrassDatabaseStats::set_last_docid

(

Xapian::docid

did

)

[inline]

Definition at line 90 of file brass_dbstats.h.

References last_docid.

Referenced by BrassWritableDatabase::replace_document().

void BrassDatabaseStats::set_oldest_changeset

(

brass_revision_number_t

changeset

)

[inline]

Definition at line 92 of file brass_dbstats.h.

References oldest_changeset.

Referenced by BrassDatabase::set_revision_number().

void BrassDatabaseStats::write

(

BrassPostListTable &

postlist_table

)

const

Definition at line 66 of file brass_dbstats.cc.

References BrassTable::add(), DATABASE_STATS_KEY(), doclen_lbound, doclen_ubound, last_docid, oldest_changeset, pack_uint(), pack_uint_last(), total_doclen, and wdf_ubound.

Referenced by BrassWritableDatabase::flush_postlist_changes().

void BrassDatabaseStats::zero

(

)

[inline]

Definition at line 79 of file brass_dbstats.h.

References doclen_lbound, doclen_ubound, last_docid, oldest_changeset, total_doclen, and wdf_ubound.

Referenced by BrassDatabase::create_and_open_tables(), and read().

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Member Data Documentation

Xapian::termcount BrassDatabaseStats::doclen_lbound [private]

A lower bound on the smallest document length in this database.

Definition at line 47 of file brass_dbstats.h.

Referenced by add_document(), delete_document(), get_doclength_lower_bound(), read(), write(), and zero().

Xapian::termcount BrassDatabaseStats::doclen_ubound [private]

An upper bound on the greatest document length in this database.

Definition at line 50 of file brass_dbstats.h.

Referenced by add_document(), delete_document(), get_doclength_upper_bound(), read(), write(), and zero().

Xapian::docid BrassDatabaseStats::last_docid [private]

Greatest document id ever used in this database.

Definition at line 44 of file brass_dbstats.h.

Referenced by get_last_docid(), get_next_docid(), read(), set_last_docid(), write(), and zero().

brass_revision_number_t BrassDatabaseStats::oldest_changeset [private]

Oldest changeset removed when max_changesets is set.

Definition at line 56 of file brass_dbstats.h.

Referenced by get_oldest_changeset(), read(), set_oldest_changeset(), write(), and zero().

totlen_t BrassDatabaseStats::total_doclen [private]

The total of the lengths of all documents in the database.

Definition at line 41 of file brass_dbstats.h.

Referenced by add_document(), delete_document(), get_total_doclen(), read(), write(), and zero().

Xapian::termcount BrassDatabaseStats::wdf_ubound [private]

An upper bound on the greatest wdf in this database.

Definition at line 53 of file brass_dbstats.h.

Referenced by check_wdf(), delete_document(), get_wdf_upper_bound(), read(), write(), and zero().

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

• backends/brass/brass_dbstats.h
• backends/brass/brass_dbstats.cc