/**
  * @param $release_id
  * @param $component_id
  * @return IOpenStackApiVersion[]
  */
 public function getByReleaseAndComponent($release_id, $component_id)
 {
     $ds = OpenStackReleaseSupportedApiVersion::get()->filter(array('OpenStackComponentID' => $component_id, 'ReleaseID' => $release_id));
     $list = array();
     if ($ds) {
         foreach ($ds as $item) {
             array_push($list, $item->ApiVersion());
         }
     }
     return $list;
 }