/**
* {@inheritDoc}
*/
public function key()
{
if (null !== $this->current) {
return $this->current->getId();
}
return null;
}
/**
* {@inheritDoc}
*/
public function requeue(MessageInterface $message)
{
$receiptHandle = $message->getMetadata(static::RECEIPT_HANDLE_KEY);
if (!$message->getId() || !$receiptHandle) {
throw new OperationException('Message as not been in queue previously');
}
$this->remove($message);
$this->enqueue($message);
}
