/**
* @inheritDoc
*/
public function fetchEventsForStream(Stream $stream)
{
if (!method_exists($this->connection, 'createQueryBuilder')) {
throw new \RuntimeException('The provided connection does not support query building, please choose a different connection type ' . 'that does');
}
/** @var QueryBuilder $query */
$query = $this->connection->createQueryBuilder()->select('*')->from($this->options[self::OPTION_TABLENAME])->where('stream_id = :streamId')->orderBy('sequence', 'ASC');
$query->setParameter('streamId', (string) $stream->id());
$events = $query->execute();
$result = [];
while ($event = $events->fetch()) {
$result[] = Stream\Event::fromArray(['id' => (string) $event['id'], 'stream' => $stream, 'emitted_at' => $event['emitted_at'], 'payload' => json_decode($event['payload']), 'sequence' => $event['sequence'], 'metadata' => []]);
$stream->moveHeadTo((int) $event['sequence']);
}
return $result;
}
/**
* @param $event
*/
private function applyEventOnProjection(Stream\Event $event)
{
if (isset($this->actions[$event->metadata()['type']])) {
$this->projection = $this->actions[$event->metadata()['type']]($this->projection, $event);
$this->lastIndex++;
}
}