BacklinkCacheFactory.php

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<?php
namespace MediaWiki\Cache;
 
use MediaWiki\Config\ServiceOptions;
use MediaWiki\HookContainer\HookContainer;
use MediaWiki\Linker\LinksMigration;
use MediaWiki\Page\PageReference;
use Psr\Log\LoggerInterface;
use Wikimedia\ObjectCache\WANObjectCache;
use Wikimedia\Rdbms\IConnectionProvider;
 
class BacklinkCacheFactory {
    private $latestBacklinkCache;
 
    private $wanCache;
 
    private $hookContainer;
 
    private IConnectionProvider $dbProvider;
    private ServiceOptions $options;
    private LinksMigration $linksMigration;
    private LoggerInterface $logger;
 
    public function __construct(
        ServiceOptions $options,
        LinksMigration $linksMigration,
        WANObjectCache $wanCache,
        HookContainer $hookContainer,
        IConnectionProvider $dbProvider,
        LoggerInterface $logger
    ) {
        $this->options = $options;
        $this->linksMigration = $linksMigration;
        $this->wanCache = $wanCache;
        $this->hookContainer = $hookContainer;
        $this->dbProvider = $dbProvider;
        $this->logger = $logger;
    }
 
    public function getBacklinkCache( PageReference $page ): BacklinkCache {
        if ( !$this->latestBacklinkCache || !$this->latestBacklinkCache->getPage()->isSamePageAs( $page ) ) {
            $this->latestBacklinkCache = new BacklinkCache(
                $this->options,
                $this->linksMigration,
                $this->wanCache,
                $this->hookContainer,
                $this->dbProvider,
                $this->logger,
                $page
            );
        }
        return $this->latestBacklinkCache;
    }
}