/**
* @param EventMessageInterface $event
*/
private function delay(EventMessageInterface $event)
{
$eventTime = $event->getTimestamp()->getTimestamp();
$dispatchTime = $eventTime + $this->delaySeconds;
$waitSeconds = $dispatchTime - time();
while ($waitSeconds > 0) {
sleep($waitSeconds);
// Make sure it's time to dispatch, even if sleep has been interrupted by the process control signal
$waitSeconds = $dispatchTime - time();
}
}
/**
* @param EventMessageInterface $event
* @param SerializerInterface $serializer
* @return RedisEventRecord
*/
public static function fromMessage(EventMessageInterface $event, SerializerInterface $serializer)
{
$data = ['id' => $event->getId(), 'timestamp' => $event->getTimestamp(), 'payload_type' => $event->getPayloadType(), 'payload' => $serializer->serialize($event->getPayload()), 'metadata' => $serializer->serialize($event->getMetadata())];
if ($event instanceof DomainEventMessageInterface) {
$data['aggregate'] = ['type' => $event->getAggregateType(), 'id' => $event->getAggregateId(), 'seq' => $event->getSequenceNumber()];
}
return new self(json_encode($data));
}
/**
* @param EventMessageInterface $event
* @return string
*/
private function getEventName(EventMessageInterface $event)
{
$name = $event->getPayloadType();
$pos = strrpos($name, '\\');
if ($pos !== false) {
$name = substr($name, $pos + 1);
}
if (substr($name, -5) === 'Event') {
$name = substr($name, 0, -5);
}
return $name;
}
public function isValid(EventMessageInterface $event)
{
$meta = $event->getMetadata();
return isset($meta['valid']) ? (bool) $meta['valid'] : false;
}
private function trackEvent(EventMessageInterface $event)
{
$this->eventsCount++;
$this->lastEventId = $event->getId();
$this->lastEventTime = $event->getTimestamp();
$this->lastUpdate = new DateTime();
}
/**
* @param Callable $handler
* @param EventMessageInterface $event
* @throws \Exception
*/
private function invokeEventHandler(callable $handler, EventMessageInterface $event)
{
$handlerName = $this->getHandlerName($handler);
$this->logger->debug(sprintf('Invoking event handler %s', $handlerName), ['event_id' => $event->getId(), 'event_type' => $event->getPayloadType()]);
try {
if ($event instanceof DomainEventMessageInterface) {
$handler($event->getPayload(), $event->getMetadata(), $event->getTimestamp(), $event->getSequenceNumber(), $event->getAggregateId());
} else {
$handler($event->getPayload(), $event->getMetadata(), $event->getTimestamp());
}
} catch (\Exception $e) {
$this->logger->error(sprintf('Uncaught Exception %s while handling Event %s: "%s" at %s line %s', get_class($e), $event->getPayloadType(), $e->getMessage(), $e->getFile(), $e->getLine()), ['exception' => $e, 'event_id' => $event->getId()]);
if ($event->getPayload() instanceof EventExecutionFailed) {
return;
}
$this->publish(new GenericEventMessage(new EventExecutionFailed($event, $e), $event->getMetadata()));
throw $e;
}
}
/**
* @param EventMessageInterface $event
* @return array
*/
private function toArray(EventMessageInterface $event)
{
$dateTimeFormat = $this->connection->getDatabasePlatform()->getDateTimeFormatString();
$timestamp = $event->getTimestamp();
$data = ['event_id' => (string) $event->getId(), 'event_date' => $timestamp->format($dateTimeFormat), 'event_date_u' => $timestamp->format('u'), 'payload_type' => $event->getPayloadType(), 'payload' => $this->serializer->serialize($event->getPayload()), 'metadata' => $this->serializer->serialize($event->getMetadata())];
if ($event instanceof DomainEventMessageInterface) {
$aggregateId = $event->getAggregateId();
if (!is_int($aggregateId)) {
$aggregateId = (string) $aggregateId;
}
$data = array_merge($data, ['aggregate_type' => $event->getAggregateType(), 'aggregate_id' => $aggregateId, 'sequence_number' => $event->getSequenceNumber()]);
}
return $data;
}
