/**
* @param EventStreamId $eventStreamId
* @return EventStream
* @throws EventStreamNotFoundException
* @throws EventSourcingException
*/
public function eventStreamSince(EventStreamId $eventStreamId)
{
try {
$statement = $this->connection->prepare(sprintf('SELECT stream_version, event_type, event_body FROM %s ' . 'WHERE stream_name = :stream_name AND stream_version >= :stream_version ' . 'ORDER BY stream_version', $this->tableName));
$statement->bindValue(':stream_name', $eventStreamId->streamName(), PDO::PARAM_STR);
$statement->bindValue(':stream_version', $eventStreamId->streamVersion(), PDO::PARAM_INT);
$statement->execute();
if ($statement->rowCount() === 0) {
throw EventStreamNotFoundException::noStream($eventStreamId);
}
$eventStream = $this->buildEventStream($statement);
return $eventStream;
} catch (EventStreamNotFoundException $e) {
throw $e;
// escalation
} catch (Exception $because) {
throw EventSourcingException::cannotQueryEventStream($eventStreamId, $because);
}
}
/**
* @param EventStreamId $eventStreamId
* @param Exception $because
* @return EventSourcingException
*/
public static function cannotQueryEventStream(EventStreamId $eventStreamId, Exception $because)
{
return new self(sprintf('Cannot query event stream for: %s since version: %s because: %s', $eventStreamId->streamName(), $eventStreamId->streamVersion(), $because->getMessage()), null, $because);
}
/**
* @param EventStreamId $eventStreamId
* @return EventStreamNotFoundException
*/
public static function noStream(EventStreamId $eventStreamId)
{
return new self(sprintf('There is no such event stream: %s : %s', $eventStreamId->streamName(), $eventStreamId->streamVersion()));
}