Wikibase\Lib\Store\Sql\WikiPageEntityRevisionLookup Class Reference

Implements an entity repo based on blobs stored in wiki pages on a locally reachable database server. More...

Inheritance diagram for Wikibase\Lib\Store\Sql\WikiPageEntityRevisionLookup:

Collaboration diagram for Wikibase\Lib\Store\Sql\WikiPageEntityRevisionLookup:

Public Member Functions
	__construct (WikiPageEntityMetaDataAccessor $entityMetaDataAccessor, WikiPageEntityDataLoader $entityDataLoader, RevisionStore $revisionStore)
Public Member Functions inherited from Wikibase\Lib\Store\EntityRevisionLookup
	getEntityRevision (EntityId $entityId, $revisionId=0, $mode=LookupConstants::LATEST_FROM_REPLICA)
	Returns the entity revision with the provided id or null if there is no such entity or if access is forbidden. More...
	getLatestRevisionId (EntityId $entityId, $mode=LookupConstants::LATEST_FROM_REPLICA)
	Returns the id of the latest revision of the given entity, or false if there is no such entity. More...

Private Member Functions
	loadEntity ( $row, $mode=LookupConstants::LATEST_FROM_REPLICA)
	Construct an EntityRevision object from a database row from the revision table. More...

Private Attributes
const	MAIN_SLOT = 'main'
	$entityMetaDataAccessor
	$revisionStore
	$logger
	$entityDataLoader

Detailed Description

Implements an entity repo based on blobs stored in wiki pages on a locally reachable database server.

This class also supports memcached (or accelerator) based caching of entities.

Copyright

GPL-2.0-or-later

Author

Daniel Kinzler

Constructor & Destructor Documentation

__construct()

Wikibase\Lib\Store\Sql\WikiPageEntityRevisionLookup::__construct	(	WikiPageEntityMetaDataAccessor	$entityMetaDataAccessor,
		WikiPageEntityDataLoader	$entityDataLoader,
		RevisionStore	$revisionStore
	)

Member Function Documentation

loadEntity()

Wikibase\Lib\Store\Sql\WikiPageEntityRevisionLookup::loadEntity (   $row,   $mode = LookupConstants::LATEST_FROM_REPLICA  )

private

Construct an EntityRevision object from a database row from the revision table.

Parameters

stdClass	$row	a row object as returned by WikiPageEntityMetaDataLookup.
string	$mode	LATEST_FROM_REPLICA, LATEST_FROM_REPLICA_WITH_FALLBACK or LATEST_FROM_MASTER.

Exceptions

StorageException

Returns

array list( EntityRevision|null $entityRevision, EntityRedirect|null $entityRedirect ) with either $entityRevision or $entityRedirect or both being null (but not both being non-null).

Member Data Documentation

$entityDataLoader

Wikibase\Lib\Store\Sql\WikiPageEntityRevisionLookup::$entityDataLoader

private

$entityMetaDataAccessor

Wikibase\Lib\Store\Sql\WikiPageEntityRevisionLookup::$entityMetaDataAccessor

private

$logger

Wikibase\Lib\Store\Sql\WikiPageEntityRevisionLookup::$logger

private

$revisionStore

Wikibase\Lib\Store\Sql\WikiPageEntityRevisionLookup::$revisionStore

private

MAIN_SLOT

const Wikibase\Lib\Store\Sql\WikiPageEntityRevisionLookup::MAIN_SLOT = 'main'

private

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

• lib/includes/Store/Sql/WikiPageEntityRevisionLookup.php