BacklinkCacheFactory.php

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