/**
* Return singleton for a given family
*
* @param FamilyInterface $family
*
* @throws \LogicException
* @throws \Doctrine\ORM\NonUniqueResultException
*
* @return DataInterface
*/
public function getInstance(FamilyInterface $family)
{
if (!$family->isSingleton()) {
throw new \LogicException("Family {$family->getCode()} is not a singleton");
}
$qb = $this->createQueryBuilder('d')->andWhere('d.family = :familyCode')->addSelect('values')->join('d.values', 'values')->setParameters(['familyCode' => $family->getCode()]);
$instance = $qb->getQuery()->getOneOrNullResult();
if (!$instance) {
$dataClass = $family->getDataClass();
$instance = new $dataClass($family);
}
return $instance;
}
