/**
  * Fetch the wanted data variant which can be versions and languages
  *
  * @return	void
  */
 function fetchVariant()
 {
     if (count($this->variantConf)) {
         $metaVariant = tx_dam::meta_getVariant($this->getMetaArray(), $this->variantConf, $this->mode);
         $this->setMetaData($metaVariant);
     }
 }