Xapian::Internal::Context Class Reference

Inheritance diagram for Xapian::Internal::Context:

Collaboration diagram for Xapian::Internal::Context:

Public Member Functions
	Context (QueryOptimiser *qopt_, size_t reserve)
	~Context ()
Xapian::docid	get_first () const
Xapian::docid	get_last () const
void	add_termfreqs (TermFreqs *termfreqs)
void	add_postlist (PostList *pl, EstimateOp *estimate, TermFreqs *termfreqs)
void	add_postlist (PostListAndEstimate p, TermFreqs *termfreqs)
bool	empty () const
Xapian::termcount	size () const
void	shrink (size_t new_size)
void	expand_wildcard (const QueryWildcard *query, double factor, TermFreqs *termfreqs)
	Expand a wildcard query. More...
void	expand_edit_distance (const QueryEditDistance *query, double factor, TermFreqs *termfreqs)
	Expand an edit distance query. More...

Protected Attributes
QueryOptimiser *	qopt
vector< PostList * >	pls
VecUniquePtr< EstimateOp >	estimates
vector< TermFreqs >	termfreqs_list
Xapian::docid	first = Xapian::docid(-1)
	Lower bound on matching docid range. More...
Xapian::docid	last = 0
	Upper bound on matching docid range. More...

Detailed Description

Definition at line 134 of file queryinternal.cc.

Constructor & Destructor Documentation

Context()

Xapian::Internal::Context::Context ( QueryOptimiser *  qopt_, size_t  reserve  )

inline

Definition at line 151 of file queryinternal.cc.

References Xapian::Vec< T, COW, UNIQUEPTR, typename >::reserve().

~Context()

Xapian::Internal::Context::~Context ( )

inline

Definition at line 156 of file queryinternal.cc.

Member Function Documentation

add_postlist() [1/2]

void Xapian::Internal::Context::add_postlist ( PostList *  pl, EstimateOp *  estimate, TermFreqs *  termfreqs  )

inline

Definition at line 168 of file queryinternal.cc.

References Assert, Xapian::Internal::PostList::get_docid_range(), and Xapian::Vec< T, COW, UNIQUEPTR, typename >::push_back().

Referenced by Xapian::Query::Internal::postlist_sub_bool_or_like(), Xapian::Query::Internal::postlist_sub_or_like(), and Xapian::Query::Internal::postlist_sub_xor().

add_postlist() [2/2]

void Xapian::Internal::Context::add_postlist ( PostListAndEstimate  p, TermFreqs *  termfreqs  )

inline

Definition at line 188 of file queryinternal.cc.

References p.

add_termfreqs()

void Xapian::Internal::Context::add_termfreqs ( TermFreqs *  termfreqs )

inline

Definition at line 164 of file queryinternal.cc.

empty()

bool Xapian::Internal::Context::empty ( ) const

inline

Definition at line 192 of file queryinternal.cc.

Referenced by Xapian::Internal::QueryWildcard::postlist(), and Xapian::Internal::QueryEditDistance::postlist().

expand_edit_distance()

void Xapian::Internal::Context::expand_edit_distance ( const QueryEditDistance *  query, double  factor, TermFreqs *  termfreqs  )

inline

Expand an edit distance query.

Definition at line 310 of file queryinternal.cc.

References Assert, Xapian::TermIterator::Internal::next(), query(), Xapian::TermIterator::Internal::skip_to(), startswith(), Xapian::Internal::str(), term, Xapian::Query::WILDCARD_LIMIT_FIRST, and Xapian::Query::WILDCARD_LIMIT_MOST_FREQUENT.

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

expand_wildcard()

void Xapian::Internal::Context::expand_wildcard ( const QueryWildcard *  query, double  factor, TermFreqs *  termfreqs  )

inline

Expand a wildcard query.

Definition at line 224 of file queryinternal.cc.

References Assert, Xapian::Query::empty(), Xapian::TermIterator::Internal::next(), query(), Xapian::TermIterator::Internal::skip_to(), Xapian::Internal::str(), term, Xapian::Query::WILDCARD_LIMIT_FIRST, and Xapian::Query::WILDCARD_LIMIT_MOST_FREQUENT.

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

get_first()

Xapian::docid Xapian::Internal::Context::get_first ( ) const

inline

Definition at line 160 of file queryinternal.cc.

get_last()

Xapian::docid Xapian::Internal::Context::get_last ( ) const

inline

Definition at line 162 of file queryinternal.cc.

shrink()

void Xapian::Internal::Context::shrink ( size_t  new_size )

inline

Definition at line 200 of file queryinternal.cc.

References AssertRel, Xapian::Vec< T, COW, UNIQUEPTR, typename >::begin(), Xapian::Internal::QueryOptimiser::destroy_postlist(), Xapian::Vec< T, COW, UNIQUEPTR, typename >::end(), and Xapian::Vec< T, COW, UNIQUEPTR, typename >::erase().

Referenced by Xapian::Internal::QueryWindowed::postlist_windowed().

size()

Xapian::termcount Xapian::Internal::Context::size ( ) const

inline

Definition at line 196 of file queryinternal.cc.

Referenced by Xapian::Internal::QueryBranch::do_or_like(), Xapian::Internal::QueryWildcard::postlist(), and Xapian::Internal::QueryEditDistance::postlist().

Member Data Documentation

estimates

VecUniquePtr<EstimateOp> Xapian::Internal::Context::estimates

protected

Definition at line 140 of file queryinternal.cc.

first

Xapian::docid Xapian::Internal::Context::first = Xapian::docid(-1)

protected

Lower bound on matching docid range.

Definition at line 145 of file queryinternal.cc.

last

Xapian::docid Xapian::Internal::Context::last = 0

protected

Upper bound on matching docid range.

Definition at line 148 of file queryinternal.cc.

pls

vector<PostList*> Xapian::Internal::Context::pls

protected

Definition at line 138 of file queryinternal.cc.

qopt

QueryOptimiser* Xapian::Internal::Context::qopt

protected

Definition at line 136 of file queryinternal.cc.

termfreqs_list

vector<TermFreqs> Xapian::Internal::Context::termfreqs_list

protected

Definition at line 142 of file queryinternal.cc.

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

• api/queryinternal.cc