protected function loadRefCache()
{
$hash = $this->getSpecificCacheKey();
$referencing =& $this->refCache['referencing'][$this->getGeneralCacheKey()];
$this->observeCache =& $referencing['observeCache'];
$this->refCacheCurrent =& $referencing[$hash];
$this->accessedColumns =& $referencing[$hash]['accessed'];
$this->specificCacheKey =& $referencing[$hash]['specificCacheKey'];
$this->rows =& $referencing[$hash]['rows'];
if (isset($referencing[$hash]['data'][$this->active])) {
$this->data =& $referencing[$hash]['data'][$this->active];
}
}