/**
* {@inheritdoc}
*/
public function dequeue(SerializerInterface $serializer)
{
$job = $this->client->reserve();
if ($job) {
return new BeanstalkdJob($this->client, $job, $serializer);
}
return null;
}
/**
* {@inheritDoc}
*/
public function reserve($timeout = null)
{
if ($this->dispatcher) {
$this->dispatcher->dispatch(CommandEvent::RESERVE, new CommandEvent($this, ['timeout' => $timeout]));
}
return $this->pheanstalk->reserve($timeout);
}
/**
* Watch for jobs on the given tube
*
* @return void
*/
public function watchForJobs()
{
// Time the worker will retire
$retireTime = time() + $this->ttl;
if (null !== $this->tube) {
$this->pheanstalk->watchOnly($this->tube);
}
// Watch the Queue
while (!$this->isTerminated()) {
$job = $this->pheanstalk->reserve(5);
if ($job) {
// Let everyone know we just grabbed a job off the queue
$this->output->writeln('<comment>Found Job ID: ' . $job->getId() . '</comment>');
// Check the data is valid for us to process a job
if (!$this->isValid($job)) {
$this->output->writeln('<comment>Invalid Job, skipping.</comment>');
$outcome = self::ACTION_BURY;
} else {
// Output to let anyone watching know that we're starting a worker
$this->output->writeln('<comment>' . $this->getStartMessage($job) . '</comment>');
try {
// Process the job
$outcome = $this->processJob($job);
} catch (\Exception $e) {
// Output error
$this->output->writeln('<error>Fatal Error: ' . $e->getMessage() . '</error>');
// Bury the job
$this->pheanstalk->bury($job);
// Break out of while loop
break;
}
// Let the folks know we've completed it
$this->output->writeln('<comment>Job Processed.</comment>');
}
switch ($outcome) {
case self::ACTION_DELETE:
// Remove the job from the queue
$this->pheanstalk->delete($job);
break;
case self::ACTION_BURY:
// Remove the job from the queue
$this->pheanstalk->bury($job);
break;
case self::ACTION_RELEASE:
// Remove the job from the queue
$this->pheanstalk->release($job);
break;
}
$this->output->writeln('<info>Waiting for next job...</info>');
}
// Check if it's time to retire the worker
if (0 !== $this->ttl && time() > $retireTime) {
$this->retire();
}
}
$this->output->writeln('<info>Exiting.</info>');
}
protected function dequeue()
{
$job = $this->pheanstalk->reserve(1);
$data = json_decode($job->getData(), true);
return $data;
}
/**
* @param int $timeout
*
* @return Job|bool A job if there is one, false otherwise
*/
public function get($timeout = null)
{
return $this->pheanstalk->reserve($timeout);
}
