public function executeJobs($schedule = null)
{
if (!Mage::getStoreConfig('jobqueue/config/enabled')) {
return;
}
if ($schedule) {
$jobsRoot = Mage::getConfig()->getNode('crontab/jobs');
$jobConfig = $jobsRoot->{$schedule->getJobCode()};
$queue = $jobConfig->queue;
if ($queue) {
$this->setQueue($queue);
}
}
$this->setupDJJob();
try {
$collection = Mage::getModel('jobqueue/job')->getCollection();
$collection->addFieldToFilter('queue', array('eq' => $this->getQueue()))->addFieldToFilter('run_at', array(array('null' => true), array('lteq' => now())))->addFieldToFilter(array('locked_at', 'locked_by'), array(array('locked_at', 'null' => true), array('locked_by', 'eq' => $this->workerName)))->addFieldToFilter('failed_at', array('null' => true))->addFieldToFilter('attempts', array('lt' => (int) Mage::getStoreConfig('jobqueue/config/max_attempts')));
// randomly order to prevent lock contention among workers
$collection->getSelect()->order(new Zend_Db_Expr('RAND()'));
$collection->load();
foreach ($collection as $row) {
$job = new DJJob($this->workerName, $row->getId(), array("max_attempts" => Mage::getStoreConfig('jobqueue/config/max_attempts')));
if ($job->acquireLock()) {
$job->run();
}
}
} catch (Exception $e) {
Mage::logException($e);
}
}
