/**
* @param Contract $aggregateRootType
* @param EventStream $eventStream
*
* @throws \Exception
*/
public function append(Contract $aggregateRootType, EventStream $eventStream)
{
$statement = $this->insertQuery->prepare();
try {
while ($eventStream->hasNext()) {
$event = $eventStream->next();
$statement->bindValue(':aggregate_id', $event->aggregateRootIdentifier()->toString());
$statement->bindValue(':aggregate_type', $aggregateRootType->toString());
$statement->bindValue(':aggregate_version', $event->sequenceNumber());
$statement->bindValue(':event_id', $event->identifier()->toString());
$statement->bindValue(':event_payload', $this->eventSerializer->serializePayload($event));
$statement->bindValue(':event_payload_type', $event->payloadType()->toString());
$statement->bindValue(':event_metadata', $this->eventSerializer->serializeMetadata($event));
$statement->bindValue(':event_metadata_type', $event->metadataType()->toString());
$statement->execute();
$statement->closeCursor();
}
} catch (\PDOException $exception) {
// 23000 being the primary key duplicate entry error code.
if ($exception->errorInfo[0] === '23000') {
throw new ConcurrencyException('Concurrent modification detected.');
}
throw $exception;
}
}
/**
* @param array $record
*
* @return Event
*/
private function translateRecordIntoEventMessage(array $record)
{
$identifier = new MessageIdentifier($record['event_id']);
$payload = $this->eventSerializer->deserializePayload($record['event_payload'], Contract::createFromClassName($record['event_payload_type']));
$metadata = $this->eventSerializer->deserializeMetadata($record['event_metadata'], Contract::createFromClassName($record['event_metadata_type']));
$sequenceNumber = (int) $record['aggregate_version'];
$eventMessage = new GenericEvent($this->aggregateRootIdentifier, $sequenceNumber, $identifier, $payload, $metadata);
return $eventMessage;
}
/**
* @param array $record
*
* @return Event
*/
private function translateRecordIntoEventMessage(array $record)
{
$identifier = $this->messageIdentifierFactory->create($record['event_id']);
$payload = $this->eventSerializer->deserializePayload($record['event_payload'], $this->contractFactory->createFromClassName($record['event_payload_type']));
$metadata = $this->eventSerializer->deserializeMetadata($record['event_metadata'], $this->contractFactory->createFromClassName($record['event_metadata_type']));
$sequenceNumber = (int) $record['aggregate_version'];
// $commitIdentifier = new CommitIdentifier($record['commit_id']);
// $committedAt = new \DateTime($record['committed_at']);
$eventMessage = $this->eventFactory->create($this->aggregateRootIdentifier, $sequenceNumber, $identifier, $payload, $metadata, $this->contractFactory);
// $eventMessage->setCommitIdentifier($commitIdentifier);
// $eventMessage->setCommittedAt($committedAt);
return $eventMessage;
}
/**
* @param Contract $aggregateType
* @param EventStream $eventStream
*
* @throws \Exception
*/
public function append(Contract $aggregateType, EventStream $eventStream)
{
$statement = $this->insertQuery->prepare();
$commitIdentifier = CommitIdentifier::generate()->toString();
$committedAt = new \DateTime();
while ($eventStream->hasNext()) {
$event = $eventStream->next();
$statement->bindValue(':aggregate_id', $event->aggregateRootIdentifier()->toString());
$statement->bindValue(':aggregate_type', $aggregateType->toString());
$statement->bindValue(':aggregate_version', $event->sequenceNumber());
$statement->bindValue(':event_id', $event->identifier()->toString());
$statement->bindValue(':event_payload', $this->eventSerializer->serializePayload($event));
$statement->bindValue(':event_payload_type', $event->payloadType()->toString());
$statement->bindValue(':event_metadata', $this->eventSerializer->serializeMetadata($event));
$statement->bindValue(':event_metadata_type', $event->metadataType()->toString());
$statement->bindValue(':commit_id', $commitIdentifier);
$statement->bindValue(':committed_at', $committedAt->format('UTC'));
$statement->execute();
$statement->closeCursor();
}
}