public function appendEvents($type, DomainEventStreamInterface $events)
{
if (!$events->hasNext()) {
return;
}
$next = $events->peek();
if (0 === $next->getScn() && $this->fileResolver->eventFileExists($type, $next->getAggregateIdentifier())) {
throw new ConflictingModificationException(sprintf("Could not create event stream for aggregate, such stream " . "already exists, type=%s, id=%s", $type, $next->getAggregateIdentifier()));
}
$file = $this->fileResolver->openEventFileForWriting($type, $next->getAggregateIdentifier());
$eventMessageWriter = new FilesystemEventMessageWriter($file, $this->serializer);
while ($events->hasNext()) {
$eventMessageWriter->writeEventMessage($events->next());
}
}
public function peek()
{
return $this->eventStream->peek();
}
