MultiMatch Class Reference

#include <multimatch.h>

Collaboration diagram for MultiMatch:


Public Member Functions
	MultiMatch (const Xapian::Database &db_, const Xapian::Query::Internal query, Xapian::termcount qlen, const Xapian::RSet omrset, Xapian::valueno collapse_key_, int percent_cutoff_, Xapian::weight weight_cutoff_, Xapian::Enquire::docid_order order_, Xapian::valueno sort_key_, Xapian::Enquire::Internal::sort_setting sort_by_, bool sort_value_forward_, const Xapian::Sorter sorter_, Xapian::ErrorHandler errorhandler, Stats &stats, const Xapian::Weight *wtscheme)
	MultiMatch constructor.
void	get_mset (Xapian::doccount first, Xapian::doccount maxitems, Xapian::doccount check_at_least, Xapian::MSet &mset, const Stats &stats, const Xapian::MatchDecider mdecider, const Xapian::MatchDecider matchspy)
void	recalc_maxweight ()
	Called by postlists to indicate that they've rearranged themselves and the maxweight now possible is smaller.
Private Member Functions
string	get_collapse_key (PostList *pl, Xapian::docid did, Xapian::valueno keyno, Xapian::Internal::RefCntPtr< Xapian::Document::Internal > &doc)
	get the collapse key
Xapian::weight	getorrecalc_maxweight (PostList *pl)
	get the maxweight that the postlist pl may return, calling recalc_maxweight if recalculate_w_max is set, and unsetting it.
	MultiMatch (const MultiMatch &)
	Copying is not permitted.
void	operator= (const MultiMatch &)
	Assignment is not permitted.
Private Attributes
std::vector< Xapian::Internal::RefCntPtr< SubMatch > >	leaves
	Vector of the items.
const Xapian::Database	db
const Xapian::Query::Internal *	query
Xapian::valueno	collapse_key
int	percent_cutoff
Xapian::weight	weight_cutoff
Xapian::Enquire::docid_order	order
Xapian::valueno	sort_key
Xapian::Enquire::Internal::sort_setting	sort_by
bool	sort_value_forward
const Xapian::Sorter *	sorter
Xapian::ErrorHandler *	errorhandler
	ErrorHandler.
const Xapian::Weight *	weight
	Weighting scheme.
bool	recalculate_w_max
	Internal flag to note that w_max needs to be recalculated while query is running.
vector< bool >	is_remote
	Is each sub-database remote?

Detailed Description

Definition at line 34 of file multimatch.h.

Constructor & Destructor Documentation

MultiMatch::MultiMatch ( const MultiMatch & ) [private]

Copying is not permitted.

MultiMatch::MultiMatch	(	const Xapian::Database &	db_,
		const Xapian::Query::Internal *	query,
		Xapian::termcount	qlen,
		const Xapian::RSet *	omrset,
		Xapian::valueno	collapse_key_,
		int	percent_cutoff_,
		Xapian::weight	weight_cutoff_,
		Xapian::Enquire::docid_order	order_,
		Xapian::valueno	sort_key_,
		Xapian::Enquire::Internal::sort_setting	sort_by_,
		bool	sort_value_forward_,
		const Xapian::Sorter *	sorter_,
		Xapian::ErrorHandler *	errorhandler,
		Stats &	stats,
		const Xapian::Weight *	wtscheme
	)

MultiMatch constructor.

Parameters:

	db_	The database to use.
	query	The query
	qlen	The query length
	omrset	The relevance set (or NULL for no RSet)
	errorhandler	Errorhandler object
	sorter	Xapian::Sorter functor (or NULL for no Sorter).
	stats	The stats object to add our stats to.
	wtscheme	Weighting scheme

Definition at line 178 of file multimatch.cc.

References Assert, collapse_key, db, DEBUGCALL, DEBUGLINE, errorhandler, Xapian::Database::internal, is_remote, leaves, order, percent_cutoff, prepare_sub_matches(), query, REL, REL_VAL, RemoteDatabase::set_query(), sort_by, sort_key, sort_value_forward, split_rset_by_db(), Xapian::Query::Internal::validate_query(), weight, and weight_cutoff.

Member Function Documentation

string MultiMatch::get_collapse_key	(	PostList *	pl,
		Xapian::docid	did,
		Xapian::valueno	keyno,
		Xapian::Internal::RefCntPtr< Xapian::Document::Internal > &	doc
	)			`[private]`

get the collapse key

Definition at line 252 of file multimatch.cc.

References Assert, db, DEBUGCALL, Xapian::Internal::RefCntPtr< T >::get(), Xapian::PostingIterator::Internal::get_collapse_key(), Xapian::Database::internal, and RETURN.

Referenced by get_mset().

Xapian::weight MultiMatch::getorrecalc_maxweight ( PostList * pl ) [private]

get the maxweight that the postlist pl may return, calling recalc_maxweight if recalculate_w_max is set, and unsetting it.

Must only be called on the top of the postlist tree.

Definition at line 270 of file multimatch.cc.

References AssertEqDoubleParanoid, DEBUGCALL, DEBUGLINE, Xapian::PostingIterator::Internal::get_maxweight(), Xapian::PostingIterator::Internal::recalc_maxweight(), recalculate_w_max, and RETURN.

Referenced by get_mset().

void MultiMatch::operator= ( const MultiMatch & ) [private]

Assignment is not permitted.

void MultiMatch::get_mset	(	Xapian::doccount	first,
		Xapian::doccount	maxitems,
		Xapian::doccount	check_at_least,
		Xapian::MSet &	mset,
		const Stats &	stats,
		const Xapian::MatchDecider *	mdecider,
		const Xapian::MatchDecider *	matchspy
	)