/**
* Create a new message.
*
* @param ZendQueue\Queue $queue
* @param string $body
*/
protected function createMessage(Queue $queue, $body)
{
// check if message exist
$message = $this->em->getRepository('Heri\\Bundle\\JobQueueBundle\\Entity\\Message')->findOneBy(['md5' => md5($body)]);
if (!$message) {
$message = new \Heri\Bundle\JobQueueBundle\Entity\Message();
$message->setQueue($this->getQueueEntity($queue->getName()));
$message->setBody($body);
$message->setMd5(md5($body));
$message->setPriority($this->priority);
$message->setFailed(false);
$message->setEnded(false);
$this->em->persist($message);
$this->em->flush();
$this->em->clear();
}
return $message;
}
/**
* Get messages of the queue.
*
* @param int $maxMessages
* @param int $timeout
* @param ZendQueue\Queue $queue
* @param int $microtime
*/
protected function getMessages($maxMessages, $timeout, $queue = null, $microtime = null)
{
if ($maxMessages === null) {
$maxMessages = 1;
}
if ($timeout === null) {
$timeout = self::RECEIVE_TIMEOUT_DEFAULT;
}
$andWhere = '';
if ($queue instanceof Queue) {
$andWhere = 'AND (m.queue = :queue)';
}
// Search for all messages inside the timeout
$sql = 'SELECT m ' . 'FROM Heri\\Bundle\\JobQueueBundle\\Entity\\Message m ' . 'LEFT JOIN m.queue q ' . 'WHERE (m.handle IS NULL OR m.handle = \'\' OR m.timeout + :timeout < :microtime) ' . $andWhere . ' ' . 'ORDER BY m.priority DESC';
$query = $this->em->createQuery($sql);
$query->setParameter('timeout', (int) $timeout);
$query->setParameter('microtime', (int) $microtime);
if ($queue instanceof Queue) {
$query->setParameter('queue', $this->getQueueEntity($queue->getName()));
}
$query->setMaxResults($maxMessages);
return $query->getResult();
}
/**
* Subscribes the client to the queue.
*
* @param \ZendQueue\Queue $queue
* @return void
*/
protected function subscribe(Queue $queue)
{
$frame = $this->_client->createFrame();
$frame->setCommand('SUBSCRIBE');
$frame->setHeader('destination', $queue->getName());
$frame->setHeader('ack', 'client');
$this->_client->send($frame);
$this->_subscribed[$queue->getName()] = TRUE;
}
