public function delayedPublish($delay, $msgBody, $routingKey = '', $additionalProperties = array())
{
if (!is_integer($delay) || $delay < 0) {
throw new \UnexpectedValueException('Publish delay should be a positive integer.');
}
# expire the queue a little bit after the delay, but minimum 1 second
$expiration = 1000 + floor(1.1 * $delay);
$name = sprintf('%s-exchange', $this->prefix);
$id = sprintf('%s-waiting-queue-%s-%d', $this->prefix, $routingKey, $delay);
$producer = new Producer($this->connection);
$producer->setExchangeOptions(array('name' => $name, 'type' => 'direct'));
$producer->setQueueOptions(array('name' => $id, 'routing_keys' => array($id), 'arguments' => array('x-message-ttl' => array('I', $delay), 'x-dead-letter-exchange' => array('S', $this->destination_exchange), 'x-dead-letter-routing-key' => array('S', $routingKey), 'x-expires' => array('I', $expiration))));
$producer->setupFabric();
$producer->publish($msgBody, $id, $additionalProperties);
}
