/**
* Transforms a Specification into a Query
*
* @param Specification $specification
* @return \Doctrine\ORM\Query
* @throws \InvalidArgumentException
*/
private function getQuery(Specification $specification)
{
if (!$specification->supports($this->getEntityName())) {
throw new \InvalidArgumentException("Specification does not support this repository");
}
$qb = $this->createQueryBuilder('e');
if ($expr = $specification->match($qb, 'e')) {
$qb->where($expr);
}
$query = $qb->getQuery();
$specification->modifyQuery($query);
return $query;
}
/**
* Adds conditions to the query builder related to the specification. The
* specification should add parameters as required and return the expression to be
* added to the QueryBuilder.
*
* @param \Doctrine\ORM\QueryBuilder $qb
* @param string $dqlAlias
* @return \Doctrine\ORM\Query\Expr
*/
public function match(QueryBuilder $qb, $dqlAlias)
{
return $this->specification ? $this->specification->match($qb, $dqlAlias) : null;
}
