/** * @param IEntity $entity * @return int */ public function add(IEntity $entity) { //supported components foreach ($entity->getOpenStackComponents(true) as $component) { $entity->getManyManyComponents('Components')->Add($component); } //supported versions foreach ($entity->getSupportedApiVersions(true) as $supported_version) { $entity->getComponents('SupportedApiVersions')->add($supported_version); } return $entity->write(); }