/** * Returns the cache key parts for this product group * * @return string * * @author Sebastian Diel <*****@*****.**> * @since 23.11.2012 */ public function CacheKeyParts() { if (is_null($this->cacheKeyParts)) { parent::CacheKeyParts(); $this->cacheKeyParts[] = sha1($this->getSearchQuery()) . md5($this->getSearchQuery()); } return $this->cacheKeyParts; }