Xapian: Internal Source Documentation: Xapian::Internal::QueryBranch Class Reference

xapian-core 1.4.26

#include <queryinternal.h>

Inheritance diagram for Xapian::Internal::QueryBranch:

Collaboration diagram for Xapian::Internal::QueryBranch:

Public Member Functions
termcount	get_length () const

void	serialise (std::string &result) const

void	gather_terms (void *void_terms) const

virtual void	add_subquery (const Xapian::Query &subquery)=0

Xapian::Query::op	get_type () const

size_t	get_num_subqueries () const

const Query	get_subquery (size_t n) const

virtual Query::Internal *	done ()=0

Public Member Functions inherited from Xapian::Query::Internal
	Internal ()

virtual	~Internal ()

virtual PostingIterator::Internal *	postlist (QueryOptimiser *qopt, double factor) const =0

virtual void	postlist_sub_and_like (Xapian::Internal::AndContext &ctx, QueryOptimiser *qopt, double factor) const

virtual void	postlist_sub_or_like (Xapian::Internal::OrContext &ctx, QueryOptimiser *qopt, double factor) const

virtual void	postlist_sub_xor (Xapian::Internal::XorContext &ctx, QueryOptimiser *qopt, double factor) const

virtual std::string	get_description () const =0

Public Member Functions inherited from Xapian::Internal::intrusive_base
	intrusive_base ()
	Construct with no references. More...

Protected Member Functions
	QueryBranch (size_t n_subqueries)

void	serialise_ (std::string &result, Xapian::termcount parameter=0) const

void	do_or_like (OrContext &ctx, QueryOptimiser *qopt, double factor, Xapian::termcount elite_set_size=0, size_t first=0) const

PostList *	do_synonym (QueryOptimiser *qopt, double factor) const

PostList *	do_max (QueryOptimiser *qopt, double factor) const

const std::string	get_description_helper (const char *op, Xapian::termcount window=0) const

Protected Attributes
QueryVector	subqueries

Private Member Functions
virtual Xapian::Query::op	get_op () const =0

Additional Inherited Members
Static Public Member Functions inherited from Xapian::Query::Internal
static Query::Internal *	unserialise (const char *p, const char end, const Registry &reg)

Public Attributes inherited from Xapian::Internal::intrusive_base
unsigned	_refs
	Reference count. More...

Detailed Description

Definition at line 171 of file queryinternal.h.

Constructor & Destructor Documentation

◆ QueryBranch()

Xapian::Internal::QueryBranch::QueryBranch ( size_t n_subqueries )

inlineexplicitprotected

Definition at line 177 of file queryinternal.h.

References Xapian::Internal::QueryTerm::gather_terms(), Xapian::Internal::QueryTerm::get_length(), Xapian::Query::Internal::get_num_subqueries(), Xapian::Query::Internal::get_subquery(), Xapian::Internal::QueryTerm::get_type(), Xapian::Internal::QueryTerm::serialise(), XAPIAN_NOEXCEPT, and XAPIAN_PURE_FUNCTION.

Member Function Documentation

◆ add_subquery()

virtual void Xapian::Internal::QueryBranch::add_subquery ( const Xapian::Query & subquery )

pure virtual

Implemented in Xapian::Internal::QueryAndMaybe, Xapian::Internal::QueryAndNot, Xapian::Internal::QueryOrLike, and Xapian::Internal::QueryAndLike.

Referenced by Xapian::Query::add_subquery(), and Xapian::Query::Internal::unserialise().

◆ do_max()

PostList * Xapian::Internal::QueryBranch::do_max	(	QueryOptimiser *	qopt,
		double	factor
	)		const

protected

Definition at line 1362 of file queryinternal.cc.

References LOGCALL, and RETURN.

◆ do_or_like()

void Xapian::Internal::QueryBranch::do_or_like	(	OrContext &	ctx,
		QueryOptimiser *	qopt,
		double	factor,
		Xapian::termcount	elite_set_size = `0`,
		size_t	first = `0`
	)		const

protected

Definition at line 1250 of file queryinternal.cc.

References Assert, LOGCALL_VOID, Xapian::Query::OP_SYNONYM, Xapian::Internal::OrContext::select_elite_set(), and Xapian::Internal::Context::size().

◆ do_synonym()

PostList * Xapian::Internal::QueryBranch::do_synonym	(	QueryOptimiser *	qopt,
		double	factor
	)		const

protected

Definition at line 1286 of file queryinternal.cc.

References Assert, Xapian::Internal::QueryScaleWeight::get_type(), QueryOptimiser::in_synonym, Xapian::Query::LEAF_TERM, LOGCALL, QueryOptimiser::make_synonym_postlist(), Xapian::Query::OP_WILDCARD, RETURN, and startswith().

◆ done()

virtual Query::Internal* Xapian::Internal::QueryBranch::done ( )

pure virtual

Implemented in Xapian::Internal::QuerySynonym, Xapian::Internal::QueryWindowed, Xapian::Internal::QueryAndMaybe, Xapian::Internal::QueryAndNot, Xapian::Internal::QueryOrLike, and Xapian::Internal::QueryAndLike.

Referenced by Xapian::Query::done(), and Xapian::Query::Internal::unserialise().

◆ gather_terms()

void Xapian::Internal::QueryBranch::gather_terms ( void * void_terms ) const

virtual

Reimplemented from Xapian::Query::Internal.

Definition at line 1238 of file queryinternal.cc.

References Assert.

◆ get_description_helper()

const string Xapian::Internal::QueryBranch::get_description_helper	(	const char *	op,
		Xapian::termcount	window = `0`
	)		const

protected

Definition at line 1399 of file queryinternal.cc.

References Assert, and Xapian::Internal::str().

◆ get_length()

Xapian::termcount Xapian::Internal::QueryBranch::get_length ( ) const

virtual

Reimplemented from Xapian::Query::Internal.

Definition at line 1147 of file queryinternal.cc.

◆ get_num_subqueries()

size_t Xapian::Internal::QueryBranch::get_num_subqueries ( ) const

virtual

Reimplemented from Xapian::Query::Internal.

Definition at line 1387 of file queryinternal.cc.

◆ get_op()

virtual Xapian::Query::op Xapian::Internal::QueryBranch::get_op ( ) const

privatepure virtual

Implemented in Xapian::Internal::QueryMax, Xapian::Internal::QuerySynonym, Xapian::Internal::QueryEliteSet, Xapian::Internal::QueryPhrase, Xapian::Internal::QueryNear, Xapian::Internal::QueryFilter, Xapian::Internal::QueryAndMaybe, Xapian::Internal::QueryXor, Xapian::Internal::QueryAndNot, Xapian::Internal::QueryOr, and Xapian::Internal::QueryAnd.

◆ get_subquery()

const Query Xapian::Internal::QueryBranch::get_subquery ( size_t n ) const

virtual

Reimplemented from Xapian::Query::Internal.

Definition at line 1393 of file queryinternal.cc.

◆ get_type()

Xapian::Query::op Xapian::Internal::QueryBranch::get_type ( ) const

virtual

Implements Xapian::Query::Internal.

Definition at line 1381 of file queryinternal.cc.

◆ serialise()

void Xapian::Internal::QueryBranch::serialise ( std::string & result ) const

virtual

Implements Xapian::Query::Internal.

Reimplemented in Xapian::Internal::QueryEliteSet, Xapian::Internal::QueryPhrase, and Xapian::Internal::QueryNear.

Definition at line 1211 of file queryinternal.cc.

References serialise_().

◆ serialise_()

void Xapian::Internal::QueryBranch::serialise_	(	std::string &	result,
		Xapian::termcount	parameter = `0`
	)		const

protected

Definition at line 1164 of file queryinternal.cc.

References Assert, AssertRel, encode_length(), MISC, and MULTIWAY.

Referenced by serialise(), Xapian::Internal::QueryNear::serialise(), Xapian::Internal::QueryPhrase::serialise(), and Xapian::Internal::QueryEliteSet::serialise().

Member Data Documentation

◆ subqueries

QueryVector Xapian::Internal::QueryBranch::subqueries

protected

Definition at line 175 of file queryinternal.h.

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

api/queryinternal.h
api/queryinternal.cc