#include <honey_values.h>

Collaboration diagram for HoneyValueManager:

Public Member Functions
	HoneyValueManager (HoneyPostListTable &postlist_table_, HoneyTermListTable &termlist_table_)
	Create a new HoneyValueManager object. More...

void	merge_changes ()

std::string	add_document (Xapian::docid did, const Xapian::Document &doc, std::map< Xapian::valueno, ValueStats > &val_stats)

void	delete_document (Xapian::docid did, std::map< Xapian::valueno, ValueStats > &val_stats)

std::string	replace_document (Xapian::docid did, const Xapian::Document &doc, std::map< Xapian::valueno, ValueStats > &val_stats)

std::string	get_value (Xapian::docid did, Xapian::valueno slot) const

void	get_all_values (std::map< Xapian::valueno, std::string > &values, Xapian::docid did) const

Xapian::doccount	get_value_freq (Xapian::valueno slot) const

std::string	get_value_lower_bound (Xapian::valueno slot) const

std::string	get_value_upper_bound (Xapian::valueno slot) const

void	set_value_stats (std::map< Xapian::valueno, ValueStats > &val_stats)
	Write the updated statistics to the table. More...

void	reset ()

bool	is_modified () const

void	cancel ()

Private Member Functions
void	add_value (Xapian::docid did, Xapian::valueno slot, const std::string &val)

void	remove_value (Xapian::docid did, Xapian::valueno slot)

Xapian::docid	get_chunk_containing_did (Xapian::valueno slot, Xapian::docid did, std::string &chunk) const
	Move the cursor to the chunk containing did. More...

void	get_value_stats (Xapian::valueno slot) const
	Get the statistics for value slot slot. More...

void	get_value_stats (Xapian::valueno slot, ValueStats &stats) const

Private Attributes
Xapian::valueno	mru_slot = Xapian::BAD_VALUENO
	The value number for the most recently used value statistics. More...

ValueStats	mru_valstats
	The most recently used value statistics. More...

HoneyPostListTable &	postlist_table

HoneyTermListTable &	termlist_table

std::map< Xapian::docid, std::string >	slots

std::map< Xapian::valueno, std::map< Xapian::docid, std::string > >	changes

std::unique_ptr< HoneyCursor >	cursor

Detailed Description

Definition at line 120 of file honey_values.h.

Constructor & Destructor Documentation

◆ HoneyValueManager()

HoneyValueManager::HoneyValueManager	(	HoneyPostListTable &	postlist_table_,
		HoneyTermListTable &	termlist_table_
	)

inline

Create a new HoneyValueManager object.

Definition at line 161 of file honey_values.h.

Member Function Documentation

◆ add_document()

string HoneyValueManager::add_document	(	Xapian::docid	did,
		const Xapian::Document &	doc,
		std::map< Xapian::valueno, ValueStats > &	val_stats
	)

Definition at line 319 of file honey_values.cc.

References Xapian::BitWriter::encode(), Xapian::BitWriter::encode_interpolative(), Xapian::BitWriter::freeze(), ValueStats::freq, Xapian::ValueIterator::get_valueno(), Xapian::Document::internal, ValueStats::lower_bound, pack_uint(), Xapian::Vec< T, COW, UNIQUEPTR, typename >::push_back(), Xapian::Vec< T, COW, UNIQUEPTR, typename >::size(), ValueStats::upper_bound, Xapian::Document::values_begin(), and Xapian::Document::values_end().

◆ add_value()

void HoneyValueManager::add_value	(	Xapian::docid	did,
		Xapian::valueno	slot,
		const std::string &	val
	)

private

Definition at line 120 of file honey_values.cc.

◆ cancel()

void HoneyValueManager::cancel ( )

inline

Definition at line 217 of file honey_values.h.

References changes, and slots.

◆ delete_document()

void HoneyValueManager::delete_document	(	Xapian::docid	did,
		std::map< Xapian::valueno, ValueStats > &	val_stats
	)

Definition at line 393 of file honey_values.cc.

References Assert, AssertRelParanoid, Xapian::BitReader::decode(), Xapian::BitReader::decode_interpolative(), Xapian::BitReader::decode_interpolative_next(), ValueStats::freq, ValueStats::lower_bound, p, unpack_uint(), and ValueStats::upper_bound.

◆ get_all_values()

void HoneyValueManager::get_all_values	(	std::map< Xapian::valueno, std::string > &	values,
		Xapian::docid	did
	)		const

Definition at line 523 of file honey_values.cc.

References Assert, Xapian::BitReader::decode(), Xapian::BitReader::decode_interpolative(), Xapian::BitReader::decode_interpolative_next(), p, HoneyTable::throw_database_closed(), and unpack_uint().

◆ get_chunk_containing_did()

Xapian::docid HoneyValueManager::get_chunk_containing_did	(	Xapian::valueno	slot,
		Xapian::docid	did,
		std::string &	chunk
	)		const

private

Move the cursor to the chunk containing did.

Returns: The last docid in the chunk, or 0 if off the end of the stream.

Definition at line 141 of file honey_values.cc.

References Honey::docid_from_key(), LOGCALL, Honey::make_valuechunk_key(), and RETURN.

◆ get_value()

string HoneyValueManager::get_value	(	Xapian::docid	did,
		Xapian::valueno	slot
	)		const

Definition at line 502 of file honey_values.cc.

References Honey::ValueChunkReader::at_end(), Honey::ValueChunkReader::get_docid(), Honey::ValueChunkReader::get_value(), and Honey::ValueChunkReader::skip_to().

◆ get_value_freq()

Xapian::doccount HoneyValueManager::get_value_freq ( Xapian::valueno slot ) const

inline

Definition at line 184 of file honey_values.h.

References ValueStats::freq, get_value_stats(), mru_slot, and mru_valstats.

Referenced by HoneyDatabase::get_value_freq().

◆ get_value_lower_bound()

std::string HoneyValueManager::get_value_lower_bound ( Xapian::valueno slot ) const

inline

Definition at line 189 of file honey_values.h.

References get_value_stats(), ValueStats::lower_bound, mru_slot, and mru_valstats.

Referenced by HoneyDatabase::get_value_lower_bound().

◆ get_value_stats() [1/2]

void HoneyValueManager::get_value_stats ( Xapian::valueno slot ) const

private

Get the statistics for value slot slot.

Definition at line 586 of file honey_values.cc.

References Xapian::BAD_VALUENO, and LOGCALL_VOID.

Referenced by get_value_freq(), get_value_lower_bound(), and get_value_upper_bound().

◆ get_value_stats() [2/2]

void HoneyValueManager::get_value_stats	(	Xapian::valueno	slot,
		ValueStats &	stats
	)		const

private

Definition at line 596 of file honey_values.cc.

References ValueStats::clear(), ValueStats::freq, LOGCALL_VOID, ValueStats::lower_bound, Honey::make_valuestats_key(), pos, unpack_string(), unpack_uint(), and ValueStats::upper_bound.

◆ get_value_upper_bound()

std::string HoneyValueManager::get_value_upper_bound ( Xapian::valueno slot ) const

inline

Definition at line 194 of file honey_values.h.

References get_value_stats(), mru_slot, mru_valstats, and ValueStats::upper_bound.

Referenced by HoneyDatabase::get_value_upper_bound().

◆ is_modified()

bool HoneyValueManager::is_modified ( ) const

inline

Definition at line 213 of file honey_values.h.

References changes.

◆ merge_changes()

void HoneyValueManager::merge_changes ( )

Definition at line 306 of file honey_values.cc.

References Honey::ValueUpdater::update().

◆ remove_value()

void HoneyValueManager::remove_value	(	Xapian::docid	did,
		Xapian::valueno	slot
	)

private

Definition at line 131 of file honey_values.cc.

◆ replace_document()

string HoneyValueManager::replace_document	(	Xapian::docid	did,
		const Xapian::Document &	doc,
		std::map< Xapian::valueno, ValueStats > &	val_stats
	)

Definition at line 476 of file honey_values.cc.

References Xapian::Document::get_docid(), and Xapian::Document::internal.

◆ reset()

void HoneyValueManager::reset ( )

inline

Ignore any old cached valuestats.

Definition at line 208 of file honey_values.h.

References Xapian::BAD_VALUENO, and mru_slot.

◆ set_value_stats()

void HoneyValueManager::set_value_stats ( std::map< Xapian::valueno, ValueStats > & val_stats )

Write the updated statistics to the table.

If the freq member of the statistics for a particular slot is 0, the statistics for that slot will be cleared.

Parameters

val_stats The statistics to set.

Definition at line 634 of file honey_values.cc.

References Xapian::BAD_VALUENO, ValueStats::clear(), Honey::encode_valuestats(), ValueStats::freq, LOGCALL_VOID, ValueStats::lower_bound, Honey::make_valuestats_key(), and ValueStats::upper_bound.

Member Data Documentation

◆ changes

std::map<Xapian::valueno, std::map<Xapian::docid, std::string> > HoneyValueManager::changes

private

Definition at line 137 of file honey_values.h.

Referenced by cancel(), and is_modified().

◆ cursor

std::unique_ptr<HoneyCursor> HoneyValueManager::cursor

mutableprivate

Definition at line 139 of file honey_values.h.

◆ mru_slot

Xapian::valueno HoneyValueManager::mru_slot = Xapian::BAD_VALUENO

mutableprivate

The value number for the most recently used value statistics.

Set to Xapian::BAD_VALUENO if no value statistics are currently cached.

Definition at line 126 of file honey_values.h.

Referenced by get_value_freq(), get_value_lower_bound(), get_value_upper_bound(), and reset().

◆ mru_valstats

ValueStats HoneyValueManager::mru_valstats

mutableprivate

The most recently used value statistics.

Definition at line 129 of file honey_values.h.

Referenced by get_value_freq(), get_value_lower_bound(), and get_value_upper_bound().

◆ postlist_table

HoneyPostListTable& HoneyValueManager::postlist_table

private

Definition at line 131 of file honey_values.h.

◆ slots

std::map<Xapian::docid, std::string> HoneyValueManager::slots

private

Definition at line 135 of file honey_values.h.

Referenced by cancel().

◆ termlist_table

HoneyTermListTable& HoneyValueManager::termlist_table

private

Definition at line 133 of file honey_values.h.

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

backends/honey/honey_values.h
backends/honey/honey_values.cc

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ HoneyValueManager()

Member Function Documentation

◆ add_document()

◆ add_value()

◆ cancel()

◆ delete_document()

◆ get_all_values()

◆ get_chunk_containing_did()

◆ get_value()

◆ get_value_freq()

◆ get_value_lower_bound()

◆ get_value_stats() [1/2]

◆ get_value_stats() [2/2]

◆ get_value_upper_bound()

◆ is_modified()

◆ merge_changes()

◆ remove_value()

◆ replace_document()

◆ reset()

◆ set_value_stats()

Member Data Documentation

◆ changes

◆ cursor

◆ mru_slot

◆ mru_valstats

◆ postlist_table

◆ slots

◆ termlist_table