/**
* Reads the data and constructs the suitable EventMessageInterface implementation.
*
* @param mixed $data Input data.
* @return GenericDomainEventMessage|GenericEventMessage
*/
public function readEventMessage($data)
{
$raw = unpack("ntype/a36identifier/Ntimestamp", $data);
$offset = 42;
if ($raw['type'] === 3) {
$raw = array_merge($raw, unpack("a36aggregateIdentifier/Nscn", substr($data, $offset)));
$offset += 40;
}
$this->read($raw, $offset, $data, "payloadType");
$this->read($raw, $offset, $data, "payload");
$this->read($raw, $offset, $data, "meta");
$serializedPayload = new SimpleSerializedObject($raw['payload'], new SimpleSerializedType($raw['payloadType']));
$serializedMetadata = new SimpleSerializedObject($raw['meta'], new SimpleSerializedType(MetaData::class));
$dateTime = \DateTime::createFromFormat('U', $raw['timestamp']);
$dateTime->setTimezone(new \DateTimeZone(date_default_timezone_get()));
if (3 === $raw['type']) {
return new GenericDomainEventMessage($raw['aggregateIdentifier'], $raw['scn'], $this->serializer->deserialize($serializedPayload), $this->serializer->deserialize($serializedMetadata), $raw['identifier'], $dateTime);
} else {
return new GenericEventMessage($this->serializer->deserialize($serializedPayload), $this->serializer->deserialize($serializedMetadata), $raw['identifier'], $dateTime);
}
}
public function readEvents($type, $identifier)
{
$snapshotScn = -1;
$snapshotEvent = null;
$lastSnapshotEvent = $this->entryStore->loadLastSnapshotEvent($type, $identifier, $this->entityManager);
if (null !== $lastSnapshotEvent) {
try {
$snapshotEvent = new GenericDomainEventMessage($identifier, $lastSnapshotEvent->getScn(), $this->serializer->deserialize($lastSnapshotEvent->getPayload()), $this->serializer->deserialize($lastSnapshotEvent->getMetaData()));
$snapshotScn = $snapshotEvent->getScn();
} catch (\RuntimeException $ex) {
$this->logger->warn("Error while reading snapshot event entry. " . "Reconstructing aggregate on entire event stream. Caused by: {class} {message}", array('class' => get_class($ex), 'message' => $ex->getMessage()));
}
}
$entries = $this->entryStore->fetchAggregateStream($type, $identifier, $snapshotScn, $this->batchSize, $this->entityManager);
if ($snapshotEvent === null && !$entries->valid()) {
throw new EventStreamNotFoundException($type, $identifier);
}
return new OrmDomainEventStream($this->serializer, $entries, $identifier, $snapshotEvent);
}
