BrassPositionListTable Class Reference

#include <brass_positionlist.h>

Inheritance diagram for BrassPositionListTable:

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Collaboration diagram for BrassPositionListTable:

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List of all members.

Public Member Functions
	BrassPositionListTable (const string &dbdir, bool readonly)
	Create a new BrassPositionListTable object.
void	set_positionlist (Xapian::docid did, const string &tname, Xapian::PositionIterator pos, const Xapian::PositionIterator &pos_end, bool check_for_update)
	Set the position list for term tname in document did.
void	delete_positionlist (Xapian::docid did, const string &tname)
	Delete the position list for term tname in document did.
Xapian::termcount	positionlist_count (Xapian::docid did, const string &term) const
	Return the number of entries in specified position list.
Static Public Member Functions
static string	make_key (Xapian::docid did, const string &term)

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Detailed Description

Definition at line 35 of file brass_positionlist.h.

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Constructor & Destructor Documentation

BrassPositionListTable::BrassPositionListTable	(	const string &	dbdir,
		bool	readonly
	)			[inline]

Create a new BrassPositionListTable object.

This method does not create or open the table on disk - you must call the create() or open() methods respectively!

Parameters:

	dbdir	The directory the brass database is stored in.
	readonly	true if we're opening read-only, else false.

Definition at line 52 of file brass_positionlist.h.

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Member Function Documentation

void BrassPositionListTable::delete_positionlist	(	Xapian::docid	did,
		const string &	tname
	)			[inline]

Delete the position list for term tname in document did.

Definition at line 67 of file brass_positionlist.h.

References BrassTable::del(), and make_key().

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

static string BrassPositionListTable::make_key	(	Xapian::docid	did,
		const string &	term
	)			[inline, static]

Definition at line 37 of file brass_positionlist.h.

References pack_uint_preserving_sort().

Referenced by delete_positionlist(), positionlist_count(), BrassPositionList::read_data(), and set_positionlist().

Xapian::termcount BrassPositionListTable::positionlist_count	(	Xapian::docid	did,
		const string &	term
	)			const

Return the number of entries in specified position list.

Definition at line 71 of file brass_positionlist.cc.

References BrassTable::get_exact_entry(), LOGCALL_VOID, make_key(), and unpack_uint().

void BrassPositionListTable::set_positionlist	(	Xapian::docid	did,
		const string &	tname,
		Xapian::PositionIterator	pos,
		const Xapian::PositionIterator &	pos_end,
		bool	check_for_update
	)

Set the position list for term tname in document did.

Parameters:

check_for_update

If true, check if the new list is the same as the existing list (if there is one).

Definition at line 37 of file brass_positionlist.cc.

References BrassTable::add(), Assert, Xapian::BitWriter::encode(), Xapian::BitWriter::encode_interpolative(), Xapian::BitWriter::freeze(), BrassTable::get_exact_entry(), LOGCALL_VOID, make_key(), and pack_uint().

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

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

• backends/brass/brass_positionlist.h
• backends/brass/brass_positionlist.cc