/**
* Next
*/
public function next()
{
$this->currentItem = $this->statement->fetch();
if (false !== $this->currentItem) {
$this->currentKey++;
} else {
$this->batchPosition++;
$this->queryBuilder->setFirstResult($this->batchSize * $this->batchPosition);
$this->queryBuilder->setMaxResults($this->batchSize);
/* @var $stmt \Doctrine\DBAL\Statement */
$this->statement = $this->queryBuilder->execute();
$this->statement->setFetchMode(\PDO::FETCH_ASSOC);
$this->currentItem = $this->statement->fetch();
if (false === $this->currentItem) {
$this->currentKey = -1;
}
}
}
private function hydrateEvents(PDOStatement $stmt)
{
return array_map(function ($eventArray) {
return $this->serializer->deserialize($eventArray['event'], $eventArray['event_class']);
}, $stmt->fetchAll());
}