/**
* {@inheritdoc}
*/
public function unwrap(EventStream $envelopeStream)
{
$lookupKey = $envelopeStream->aggregateId()->toString();
$events = [];
/** @var EnvelopsEvent $envelope */
foreach ($envelopeStream as $envelope) {
$this->aggregateVersions[$lookupKey] = $envelope->aggregateVersion();
$events[] = $envelope->event();
}
return new AggregateHistory($envelopeStream->aggregateId(), $events);
}
/**
* {@inheritdoc}
*/
public function commit(EventStream $eventStream)
{
$enrichedEnvelopes = [];
/** @var EnvelopsEvent $envelope */
foreach ($eventStream as $envelope) {
foreach ($this->metadataEnrichers as $metadataEnricher) {
$envelope = $metadataEnricher->enrich($envelope);
}
$enrichedEnvelopes[] = $envelope;
}
$this->next->commit(new EventStream($eventStream->aggregateId(), $enrichedEnvelopes));
}
