495323c063
NOTE: This was manually tested to ensure it does not break updates, see T242764. Bug: T198557 Change-Id: I1d9f5465018bae10124514bc38169e23e0e613e6
135 lines
4.3 KiB
PHP
135 lines
4.3 KiB
PHP
<?php
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/**
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* Attribution notice: when this file was created, much of its content was taken
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* from the Revision.php file as present in release 1.30. Refer to the history
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* of that file for original authorship.
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*
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* @file
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*/
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namespace MediaWiki\Revision;
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use ActorMigration;
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use CommentStore;
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use MediaWiki\Content\IContentHandlerFactory;
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use MediaWiki\Storage\BlobStoreFactory;
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use MediaWiki\Storage\NameTableStoreFactory;
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use Psr\Log\LoggerInterface;
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use WANObjectCache;
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use Wikimedia\Assert\Assert;
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use Wikimedia\Rdbms\ILBFactory;
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/**
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* Factory service for RevisionStore instances. This allows RevisionStores to be created for
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* cross-wiki access.
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*
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* @warning Beware compatibility issues with schema migration in the context of cross-wiki access!
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* This class assumes that all wikis are at compatible migration stages for all relevant schemas.
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* Relevant schemas are: revision storage (MCR), the revision comment table, and the actor table.
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* Migration stages are compatible as long as a) there are no wikis in the cluster that only write
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* the old schema or b) there are no wikis that read only the new schema.
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*
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* @since 1.32
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*/
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class RevisionStoreFactory {
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/** @var BlobStoreFactory */
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private $blobStoreFactory;
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/** @var ILBFactory */
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private $dbLoadBalancerFactory;
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/** @var WANObjectCache */
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private $cache;
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/** @var LoggerInterface */
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private $logger;
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/** @var CommentStore */
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private $commentStore;
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/** @var ActorMigration */
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private $actorMigration;
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/** @var NameTableStoreFactory */
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private $nameTables;
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/** @var SlotRoleRegistry */
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private $slotRoleRegistry;
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/** @var IContentHandlerFactory */
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private $contentHandlerFactory;
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/**
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* @param ILBFactory $dbLoadBalancerFactory
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* @param BlobStoreFactory $blobStoreFactory
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* @param NameTableStoreFactory $nameTables
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* @param SlotRoleRegistry $slotRoleRegistry
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* @param WANObjectCache $cache
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* @param CommentStore $commentStore
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* @param ActorMigration $actorMigration
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* @param LoggerInterface $logger
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* @param IContentHandlerFactory $contentHandlerFactory
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*/
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public function __construct(
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ILBFactory $dbLoadBalancerFactory,
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BlobStoreFactory $blobStoreFactory,
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NameTableStoreFactory $nameTables,
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SlotRoleRegistry $slotRoleRegistry,
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WANObjectCache $cache,
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CommentStore $commentStore,
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ActorMigration $actorMigration,
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LoggerInterface $logger,
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IContentHandlerFactory $contentHandlerFactory
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) {
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$this->dbLoadBalancerFactory = $dbLoadBalancerFactory;
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$this->blobStoreFactory = $blobStoreFactory;
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$this->slotRoleRegistry = $slotRoleRegistry;
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$this->nameTables = $nameTables;
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$this->cache = $cache;
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$this->commentStore = $commentStore;
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$this->actorMigration = $actorMigration;
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$this->logger = $logger;
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$this->contentHandlerFactory = $contentHandlerFactory;
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}
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/**
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* @since 1.32
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*
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* @param bool|string $dbDomain DB domain of the relevant wiki or false for the current one
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*
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* @return RevisionStore for the given wikiId with all necessary services
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*/
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public function getRevisionStore( $dbDomain = false ) {
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Assert::parameterType( 'string|boolean', $dbDomain, '$dbDomain' );
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$store = new RevisionStore(
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$this->dbLoadBalancerFactory->getMainLB( $dbDomain ),
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$this->blobStoreFactory->newSqlBlobStore( $dbDomain ),
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$this->cache, // Pass local cache instance; Leave cache sharing to RevisionStore.
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$this->commentStore,
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$this->nameTables->getContentModels( $dbDomain ),
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$this->nameTables->getSlotRoles( $dbDomain ),
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$this->slotRoleRegistry,
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$this->actorMigration,
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$this->contentHandlerFactory,
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$dbDomain
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);
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$store->setLogger( $this->logger );
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return $store;
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}
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}
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