function onFlush(OnFlushEventArgs $args)
{
foreach ($this->getEntitiesToValidate($args->getEntityManager()) as $entity) {
if (count($violations = $this->validator->validate($entity))) {
$message = "Invalid entity {$this->objectToString($entity)}:\n";
$message .= implode("\n", Collection::map($violations, function ($violation) {
return "- {$violation->getPropertyPath()}: {$violation->getMessage()}";
}));
throw new \InvalidArgumentException($message);
}
}
}
