/**
* @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// a newer version of this root job was enqueued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);
}
/**
* @see JobQueue::doDeduplicateRootJob()
* @param IJobSpecification $job
* @return bool
* @throws JobQueueError
* @throws LogicException
*/
protected function doDeduplicateRootJob(IJobSpecification $job)
{
if (!$job->hasRootJobParams()) {
throw new LogicException("Cannot register root job; missing parameters.");
}
$params = $job->getRootJobParams();
$key = $this->getRootJobCacheKey($params['rootJobSignature']);
$conn = $this->getConnection();
try {
$timestamp = $conn->get($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// a newer version of this root job was enqueued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 $conn->set($key, $params['rootJobTimestamp'], self::ROOTJOB_TTL);
// 2 weeks
} catch (RedisException $e) {
$this->throwRedisException($conn, $e);
}
}
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;
}
