BacklinkCacheFactory.php

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