protected function initAmqp()
{
if (!$this->declared) {
$ed = $this->getExchangeDescriptor();
$ch = $this->getChannel();
$ed->declareExchange($ch);
$qd = new QueueDescriptor();
$qd->setAutoDelete(true);
$this->setQueueDescriptor($qd);
$qd->declareQueue($ch);
$ch->queue_bind($qd->getName(), $ed->getName());
$cd = new ConsumerDescriptor(array($this, 'onMessage'), $qd->getName());
$cd->setNoAck(true);
$cd->consume($ch);
}
}