/**
* @param EventStream $stream
*/
public function reconstituteFromEventStream(EventStream $stream)
{
if ($this->events) {
throw new RuntimeException('AggregateRoot is already reconstituted from event stream.');
}
$this->setId($stream->getAggregateId());
/** @var EventInterface $event */
foreach ($stream as $event) {
$this->executeEvent($event);
}
}
/**
* Persist new AR events
* @param EventStream $stream
* @return void
* @throws \Exception
*/
public function commit(EventStream $stream)
{
$newEvents = $stream->getNewEvents();
$newEventsQuantity = count($newEvents);
if (!$newEventsQuantity) {
return;
}
$aggregateRootId = $stream->getAggregateId();
$aggregateName = $stream->getAggregateName();
$currentVersion = $stream->getVersion();
$newVersion = $currentVersion + $newEventsQuantity;
$eventData = [];
/** @var EventInterface $event */
foreach ($newEvents as $event) {
$eventData[] = $this->serializer->serialize($event);
}
$currentStoredVersion = $this->storage->getCurrentVersion($aggregateRootId);
if ($currentVersion !== $currentStoredVersion) {
throw new ConcurrencyException('Aggregate root versions mismatch');
}
$this->storage->write($aggregateRootId, $aggregateName, $eventData, $newVersion);
$stream->markAllApplied($newVersion);
return;
}
