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<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* Attribution notice: when this file was created, much of its content was taken
* from the Revision.php file as present in release 1.30. Refer to the history
* of that file for original authorship (that file was removed entirely in 1.37,
* but its history can still be found in prior versions of MediaWiki).
*
* @file
*/
namespace MediaWiki\Revision;
use ActorMigration;
use BagOStuff;
use CommentStore;
use MediaWiki\Content\IContentHandlerFactory;
use MediaWiki\HookContainer\HookContainer;
use MediaWiki\Page\PageStoreFactory;
use MediaWiki\Storage\BlobStoreFactory;
use MediaWiki\Storage\NameTableStoreFactory;
use MediaWiki\User\ActorStoreFactory;
use Psr\Log\LoggerInterface;
use TitleFactory;
use WANObjectCache;
use Wikimedia\Assert\Assert;
use Wikimedia\Rdbms\ILBFactory;
/**
* Factory service for RevisionStore instances. This allows RevisionStores to be created for
* cross-wiki access.
*
* @warning Beware compatibility issues with schema migration in the context of cross-wiki access!
* This class assumes that all wikis are at compatible migration stages for all relevant schemas.
* Relevant schemas are: revision storage (MCR), the revision comment table, and the actor table.
* Migration stages are compatible as long as a) there are no wikis in the cluster that only write
* the old schema or b) there are no wikis that read only the new schema.
*
* @since 1.32
*/
class RevisionStoreFactory {
/** @var BlobStoreFactory */
private $blobStoreFactory;
/** @var ILBFactory */
private $dbLoadBalancerFactory;
/** @var WANObjectCache */
private $cache;
/** @var BagOStuff */
private $localCache;
/** @var LoggerInterface */
private $logger;
/** @var CommentStore */
private $commentStore;
/** @var ActorMigration */
private $actorMigration;
/** @var ActorStoreFactory */
private $actorStoreFactory;
/** @var NameTableStoreFactory */
private $nameTables;
/** @var SlotRoleRegistry */
private $slotRoleRegistry;
/** @var IContentHandlerFactory */
private $contentHandlerFactory;
/** @var PageStoreFactory */
private $pageStoreFactory;
/** @var TitleFactory */
private $titleFactory;
/** @var HookContainer */
private $hookContainer;
/**
* @param ILBFactory $dbLoadBalancerFactory
* @param BlobStoreFactory $blobStoreFactory
* @param NameTableStoreFactory $nameTables
* @param SlotRoleRegistry $slotRoleRegistry
* @param WANObjectCache $cache
* @param BagOStuff $localCache
* @param CommentStore $commentStore
* @param ActorMigration $actorMigration
* @param ActorStoreFactory $actorStoreFactory
* @param LoggerInterface $logger
* @param IContentHandlerFactory $contentHandlerFactory
* @param PageStoreFactory $pageStoreFactory
* @param TitleFactory $titleFactory
* @param HookContainer $hookContainer
*/
public function __construct(
ILBFactory $dbLoadBalancerFactory,
BlobStoreFactory $blobStoreFactory,
NameTableStoreFactory $nameTables,
SlotRoleRegistry $slotRoleRegistry,
WANObjectCache $cache,
BagOStuff $localCache,
CommentStore $commentStore,
ActorMigration $actorMigration,
ActorStoreFactory $actorStoreFactory,
LoggerInterface $logger,
IContentHandlerFactory $contentHandlerFactory,
PageStoreFactory $pageStoreFactory,
TitleFactory $titleFactory,
HookContainer $hookContainer
) {
$this->dbLoadBalancerFactory = $dbLoadBalancerFactory;
$this->blobStoreFactory = $blobStoreFactory;
$this->slotRoleRegistry = $slotRoleRegistry;
$this->nameTables = $nameTables;
$this->cache = $cache;
$this->localCache = $localCache;
$this->commentStore = $commentStore;
$this->actorMigration = $actorMigration;
$this->actorStoreFactory = $actorStoreFactory;
$this->logger = $logger;
$this->contentHandlerFactory = $contentHandlerFactory;
$this->pageStoreFactory = $pageStoreFactory;
$this->titleFactory = $titleFactory;
$this->hookContainer = $hookContainer;
}
/**
* @since 1.32
*
* @param false|string $dbDomain DB domain of the relevant wiki or false for the current one
*
* @return RevisionStore for the given wikiId with all necessary services
*/
public function getRevisionStore( $dbDomain = false ) {
Assert::parameterType( [ 'string', 'false' ], $dbDomain, '$dbDomain' );
$store = new RevisionStore(
$this->dbLoadBalancerFactory->getMainLB( $dbDomain ),
$this->blobStoreFactory->newSqlBlobStore( $dbDomain ),
$this->cache, // Pass cache local to wiki; Leave cache sharing to RevisionStore.
$this->localCache,
$this->commentStore,
$this->nameTables->getContentModels( $dbDomain ),
$this->nameTables->getSlotRoles( $dbDomain ),
$this->slotRoleRegistry,
$this->actorMigration,
$this->actorStoreFactory->getActorStore( $dbDomain ),
$this->contentHandlerFactory,
$this->pageStoreFactory->getPageStore( $dbDomain ),
$this->titleFactory,
$this->hookContainer,
$dbDomain
);
$store->setLogger( $this->logger );
return $store;
}
}
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