/**
* Execute a job and remove it from the jobs table on success.
*
* @param Opus_Job $job Job description model.
* @return boolean Returns true if a job is consumend false if not
*/
protected function consume(Opus_Job $job)
{
$label = $job->getLabel();
if ($job->getState() !== null) {
return false;
}
if (array_key_exists($label, $this->_workers)) {
$worker = $this->_workers[$label];
if (null !== $this->_logger) {
$this->_logger->info('Processing ' . $label);
}
$job->setState(Opus_Job::STATE_PROCESSING);
$job->store();
try {
$worker->setLogger($this->_logger);
$worker->work($job);
$job->delete();
sleep($this->_delay);
} catch (Exception $ex) {
if (null !== $this->_logger) {
$msg = get_class($worker) . ': ' . $ex->getMessage();
$this->_logger->err($msg);
}
$job->setErrors(json_encode(array('exception' => get_class($ex), 'message' => $ex->getMessage(), 'trace' => $ex->getTraceAsString())));
$job->setState(Opus_Job::STATE_FAILED);
$job->store();
return false;
}
return true;
}
return false;
}
