/**
* @param string $eventClassName
* @param string $serialization
* @return Event
* @throws EventSourcingException when failed to deserialize
*/
public function deserialize($eventClassName, $serialization)
{
Assert::argumentNotEmpty($eventClassName, 'Event class name is required');
Assert::argumentClassExists($eventClassName, 'Event class does not exist: %class%');
Assert::argumentSubclassOf($eventClassName, 'Goodby\\EventSourcing\\Event', 'Event class must be subclass of %parent%');
$data = json_decode($serialization, true);
if (json_last_error() != JSON_ERROR_NONE) {
throw EventSourcingException::failedToDeserializeEvent($this->getLastErrorMessage());
}
/** @var $eventClassName Event */
return $eventClassName::fromContractualData($data);
}
/**
* @param string $lastDispatchedEventId
* @throws \Exception
* @return DispatchableEvent[]
*/
public function dispatchableEventsSince($lastDispatchedEventId)
{
try {
$statement = $this->connection->prepare("SELECT event_id, event_body, event_type FROM {$this->tableName} WHERE event_id > :event_id ORDER BY event_id");
$statement->bindValue(':event_id', $lastDispatchedEventId);
$statement->execute();
$events = [];
foreach ($statement as $result) {
$events[] = new DispatchableEvent($result['event_id'], $this->deserializeEvent($result['event_type'], $result['event_body']));
}
return $events;
} catch (Exception $because) {
throw EventSourcingException::cannotQueryDispatchableEventsSince($lastDispatchedEventId, $because);
}
}
