/**
* @param mixed $groupId
*
* @throws \eZ\Publish\API\Repository\Exceptions\NotFoundException If type group with $groupId is not found
*
* @return Group
*/
public function loadGroup($groupId)
{
$groups = $this->mapper->extractGroupsFromRows($this->contentTypeGateway->loadGroupData($groupId));
if (count($groups) !== 1) {
throw new Exception\TypeGroupNotFound($groupId);
}
return $groups[0];
}