/**
* Attempt to find a job from the top of one of the queues for this worker.
*
* @return PromiseInterface
*/
public function reserve()
{
$queues = $this->queues();
if ($queues instanceof PromiseInterface) {
if ($this->paused) {
return $queues->then(function () {
sleep($this->options['interval']);
});
} else {
return $queues->then(function ($response) {
if (empty($response)) {
sleep($this->options['interval']);
return \React\Promise\resolve();
}
return Resque::bpop($response, $this->options['interval']);
});
}
} else {
if ($this->processing <= $this->options['concurrency']) {
return Resque::bpop($queues, $this->options['interval']);
} else {
return \React\Promise\resolve();
}
}
}
