xapian-core  1.4.30
Public Member Functions | Protected Member Functions | Protected Attributes | Private Member Functions | List of all members
Xapian::Internal::QueryBranch Class Referenceabstract

#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.

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 do_or_like(), LOGCALL, Xapian::Internal::OrContext::postlist(), Xapian::Internal::OrContext::postlist_max(), RETURN, Xapian::SmallVector< T >::size(), and subqueries.

Referenced by Xapian::Internal::QueryMax::postlist().

◆ 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, Xapian::SmallVector< T >::begin(), Xapian::SmallVector< T >::end(), get_op(), LOGCALL_VOID, Xapian::Query::OP_SYNONYM, Xapian::Internal::OrContext::select_elite_set(), Xapian::Internal::Context::size(), Xapian::SmallVector< T >::size(), and subqueries.

Referenced by do_max(), do_synonym(), Xapian::Internal::QueryOr::postlist(), Xapian::Internal::QueryAndNot::postlist(), Xapian::Internal::QueryAndMaybe::postlist(), Xapian::Internal::QueryEliteSet::postlist(), Xapian::Internal::QueryAndNot::postlist_sub_and_like(), Xapian::Internal::QueryAndMaybe::postlist_sub_and_like(), Xapian::Internal::QueryOr::postlist_sub_or_like(), and Xapian::Internal::QueryEliteSet::postlist_sub_or_like().

◆ 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::SmallVector< T >::begin(), do_or_like(), Xapian::SmallVector< T >::empty(), get_type(), QueryOptimiser::in_synonym, Xapian::Query::LEAF_TERM, LOGCALL, QueryOptimiser::make_synonym_postlist(), Xapian::Query::OP_WILDCARD, Xapian::Internal::OrContext::postlist(), RETURN, Xapian::SmallVector< T >::size(), startswith(), and subqueries.

Referenced by Xapian::Internal::QuerySynonym::postlist().

◆ 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, Xapian::SmallVector< T >::begin(), Xapian::SmallVector< T >::end(), and subqueries.

◆ 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, Xapian::SmallVector< T >::begin(), Xapian::SmallVector< T >::end(), Xapian::Internal::str(), and subqueries.

Referenced by Xapian::Internal::QueryAnd::get_description(), Xapian::Internal::QueryOr::get_description(), Xapian::Internal::QueryAndNot::get_description(), Xapian::Internal::QueryXor::get_description(), Xapian::Internal::QueryAndMaybe::get_description(), Xapian::Internal::QueryFilter::get_description(), Xapian::Internal::QueryNear::get_description(), Xapian::Internal::QueryPhrase::get_description(), Xapian::Internal::QueryEliteSet::get_description(), Xapian::Internal::QuerySynonym::get_description(), and Xapian::Internal::QueryMax::get_description().

◆ get_length()

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

Reimplemented from Xapian::Query::Internal.

Definition at line 1147 of file queryinternal.cc.

References Xapian::SmallVector< T >::begin(), Xapian::SmallVector< T >::end(), and subqueries.

◆ 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.

References Xapian::SmallVector< T >::size(), and subqueries.

◆ 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.

Referenced by do_or_like(), get_type(), and serialise_().

◆ 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.

References subqueries.

◆ get_type()

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

Implements Xapian::Query::Internal.

Definition at line 1381 of file queryinternal.cc.

References get_op().

Referenced by do_synonym().

◆ 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, Xapian::SmallVector< T >::begin(), encode_length(), Xapian::SmallVector< T >::end(), get_op(), MISC, MULTIWAY, Xapian::SmallVector< T >::size(), and subqueries.

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.

Referenced by Xapian::Internal::QueryAndLike::add_subquery(), Xapian::Internal::QueryOrLike::add_subquery(), Xapian::Internal::QueryAndNot::add_subquery(), Xapian::Internal::QueryAndMaybe::add_subquery(), do_max(), do_or_like(), do_synonym(), Xapian::Internal::QueryAndLike::done(), Xapian::Internal::QueryOrLike::done(), Xapian::Internal::QueryAndNot::done(), Xapian::Internal::QueryAndMaybe::done(), Xapian::Internal::QueryWindowed::done(), Xapian::Internal::QuerySynonym::done(), gather_terms(), Xapian::Internal::QuerySynonym::get_description(), get_description_helper(), get_length(), get_num_subqueries(), get_subquery(), Xapian::Internal::QueryAndLike::postlist(), Xapian::Internal::QueryOr::postlist(), Xapian::Internal::QueryAndNot::postlist(), Xapian::Internal::QueryXor::postlist(), Xapian::Internal::QueryAndMaybe::postlist(), Xapian::Internal::QueryFilter::postlist(), Xapian::Internal::QueryEliteSet::postlist(), Xapian::Internal::QueryAndLike::postlist_sub_and_like(), Xapian::Internal::QueryAndNot::postlist_sub_and_like(), Xapian::Internal::QueryAndMaybe::postlist_sub_and_like(), Xapian::Internal::QueryFilter::postlist_sub_and_like(), Xapian::Internal::QueryXor::postlist_sub_xor(), Xapian::Internal::QueryWindowed::postlist_windowed(), and serialise_().

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