/**
* @param IJobSpecification $job
* @return array
*/
protected function insertFields(IJobSpecification $job)
{
$dbw = $this->getMasterDB();
return array('job_cmd' => $job->getType(), 'job_namespace' => $job->getTitle()->getNamespace(), 'job_title' => $job->getTitle()->getDBkey(), 'job_params' => self::makeBlob($job->getParams()), 'job_id' => $dbw->nextSequenceValue('job_job_id_seq'), 'job_timestamp' => $dbw->timestamp(), 'job_sha1' => Wikimedia\base_convert(sha1(serialize($job->getDeduplicationInfo())), 16, 36, 31), 'job_random' => mt_rand(0, self::MAX_JOB_RANDOM));
}
/**
* @param IJobSpecification $spec
*
* @return Job
*/
public function jobFromSpecInternal(IJobSpecification $spec)
{
return Job::factory($spec->getType(), $spec->getTitle(), $spec->getParams());
}
/**
* @see JobQueue::deduplicateRootJob()
* @param IJobSpecification $job
* @throws MWException
* @return bool
*/
protected function doDeduplicateRootJob(IJobSpecification $job)
{
if (!$job->hasRootJobParams()) {
throw new MWException("Cannot register root job; missing parameters.");
}
$params = $job->getRootJobParams();
$key = $this->getRootJobCacheKey($params['rootJobSignature']);
// Callers should call batchInsert() and then this function so that if the insert
// fails, the de-duplication registration will be aborted. Since the insert is
// deferred till "transaction idle", do the same here, so that the ordering is
// maintained. Having only the de-duplication registration succeed would cause
// jobs to become no-ops without any actual jobs that made them redundant.
$timestamp = $this->dupCache->get($key);
// current last timestamp of this job
if ($timestamp && $timestamp >= $params['rootJobTimestamp']) {
return true;
// a newer version of this root job was enqueued
}
// Update the timestamp of the last root job started at the location...
return $this->dupCache->set($key, $params['rootJobTimestamp'], JobQueueDB::ROOTJOB_TTL);
}
/**
* @param IJobSpecification $job
* @return array
*/
protected function getNewJobFields(IJobSpecification $job)
{
return array('type' => $job->getType(), 'namespace' => $job->getTitle()->getNamespace(), 'title' => $job->getTitle()->getDBkey(), 'params' => $job->getParams(), 'rtimestamp' => $job->getReleaseTimestamp() ?: 0, 'uuid' => UIDGenerator::newRawUUIDv4(UIDGenerator::QUICK_RAND), 'sha1' => $job->ignoreDuplicates() ? Wikimedia\base_convert(sha1(serialize($job->getDeduplicationInfo())), 16, 36, 31) : '', 'timestamp' => time());
}
protected function doDeduplicateRootJob(IJobSpecification $job)
{
$params = $job->getRootJobParams();
$sigature = $params['rootJobSignature'];
$partition = $this->partitionRing->getLiveLocation($sigature);
try {
return $this->partitionQueues[$partition]->doDeduplicateRootJob($job);
} catch (JobQueueError $e) {
if ($this->partitionRing->ejectFromLiveRing($partition, 5)) {
$partition = $this->partitionRing->getLiveLocation($sigature);
return $this->partitionQueues[$partition]->doDeduplicateRootJob($job);
}
}
return false;
}
