/** * 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); }