/**
* {@inheritdoc}
*/
public function findMask(RequesterInterface $requester, ResourceInterface $resource)
{
$oldFetchMode = $this->connection->getFetchMode();
$this->connection->setFetchMode(\PDO::FETCH_COLUMN);
if (null === ($mask = $this->connection->selectOne('SELECT mask FROM ' . $this->getAclSchema()->getPermissionsTableName() . ' WHERE requester = :requester AND resource = :resource', ['requester' => $requester->getAclRequesterIdentifier(), 'resource' => $resource->getAclResourceIdentifier()]))) {
$this->connection->setFetchMode($oldFetchMode);
throw new MaskNotFoundException();
}
$this->connection->setFetchMode($oldFetchMode);
return (int) $mask;
}