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<?php |
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namespace Dtc\QueueBundle\Redis; |
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use Dtc\QueueBundle\Exception\ClassNotSubclassException; |
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use Dtc\QueueBundle\Exception\PriorityException; |
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use Dtc\QueueBundle\Exception\UnsupportedException; |
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use Dtc\QueueBundle\Manager\JobTimingManager; |
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use Dtc\QueueBundle\Manager\PriorityJobManager; |
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use Dtc\QueueBundle\Manager\RunManager; |
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use Dtc\QueueBundle\Model\BaseJob; |
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use Dtc\QueueBundle\Model\RetryableJob; |
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use Dtc\QueueBundle\Util\Util; |
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/** |
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* For future implementation. |
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*/ |
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class JobManager extends PriorityJobManager |
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{ |
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/** @var RedisInterface */ |
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protected $redis; |
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/** @var string */ |
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protected $cacheKeyPrefix; |
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protected $hostname; |
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protected $pid; |
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public function __construct(RunManager $runManager, JobTimingManager $jobTimingManager, $jobClass, $cacheKeyPrefix) |
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{ |
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$this->cacheKeyPrefix = $cacheKeyPrefix; |
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$this->hostname = gethostname() ?: ''; |
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$this->pid = getmypid(); |
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parent::__construct($runManager, $jobTimingManager, $jobClass); |
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} |
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public function setRedis(RedisInterface $redis) |
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{ |
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$this->redis = $redis; |
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} |
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protected function getJobCacheKey($jobId) |
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{ |
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return $this->cacheKeyPrefix.'_job_'.$jobId; |
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} |
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protected function getJobCrcHashKey($jobCrc) |
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{ |
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return $this->cacheKeyPrefix.'_job_crc_'.$jobCrc; |
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} |
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protected function getPriorityQueueCacheKey() |
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{ |
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return $this->cacheKeyPrefix.'_priority'; |
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} |
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protected function getWhenQueueCacheKey() |
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{ |
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return $this->cacheKeyPrefix.'_when'; |
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} |
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protected function transferQueues() |
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{ |
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// Drains from WhenAt queue into Prioirty Queue |
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$whenQueue = $this->getWhenQueueCacheKey(); |
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$priorityQueue = $this->getPriorityQueueCacheKey(); |
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$microtime = Util::getMicrotimeDecimal(); |
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while ($jobId = $this->redis->zPopByMaxScore($whenQueue, $microtime)) { |
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$jobMessage = $this->redis->get($this->getJobCacheKey($jobId)); |
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if ($jobMessage) { |
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$job = new \Dtc\QueueBundle\Redis\Job(); |
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$job->fromMessage($jobMessage); |
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$this->redis->zAdd($priorityQueue, $job->getPriority(), $job->getId()); |
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} |
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} |
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} |
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protected function batchSave(\Dtc\QueueBundle\Redis\Job $job) |
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{ |
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$crcHash = $job->getCrcHash(); |
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$crcCacheKey = $this->getJobCrcHashKey($crcHash); |
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$result = $this->redis->lrange($crcCacheKey, 0, 1000); |
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if (is_array($result)) { |
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foreach ($result as $jobId) { |
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$jobCacheKey1 = $this->getJobCacheKey($jobId); |
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if (!($foundJobMessage = $this->redis->get($jobCacheKey1))) { |
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$this->redis->lRem($crcCacheKey, 1, $jobCacheKey1); |
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continue; |
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} |
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/// There is one? |
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if ($foundJobMessage) { |
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$foundJob = $this->batchFoundJob($job, $jobCacheKey1, $foundJobMessage); |
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if ($foundJob) { |
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return $foundJob; |
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} |
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} |
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} |
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} |
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return null; |
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} |
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protected function batchFoundJob(\Dtc\QueueBundle\Redis\Job $job, $foundJobCacheKey, $foundJobMessage) |
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{ |
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$when = $job->getWhenUs(); |
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$crcHash = $job->getCrcHash(); |
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$crcCacheKey = $this->getJobCrcHashKey($crcHash); |
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$foundJob = new \Dtc\QueueBundle\Redis\Job(); |
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$foundJob->fromMessage($foundJobMessage); |
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$foundWhen = $foundJob->getWhenUs(); |
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// Fix this using bcmath |
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$curtimeU = Util::getMicrotimeDecimal(); |
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if (bccomp($foundWhen, $curtimeU) > 0 && bccomp($foundWhen, $when) > 1) { |
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$newFoundWhen = $when; |
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} |
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$foundPriority = $foundJob->getPriority(); |
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if ($foundPriority < $job->getPriority()) { |
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$newFoundPriority = $job->getPriority(); |
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} |
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// Now how do we adjust this job's priority or time? |
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$adjust = false; |
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if (isset($newFoundWhen)) { |
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$foundJob->setWhenUs($newFoundWhen); |
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$adjust = true; |
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} |
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if (isset($newFoundPriority)) { |
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$foundJob->setPriority($newFoundPriority); |
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$adjust = true; |
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} |
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if (!$adjust) { |
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return $foundJob; |
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} |
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return $this->addFoundJob($adjust, $foundJob, $foundJobCacheKey, $crcCacheKey); |
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} |
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protected function addFoundJob($adjust, Job $foundJob, $foundJobCacheKey, $crcCacheKey) |
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{ |
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$whenQueue = $this->getWhenQueueCacheKey(); |
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$result = $this->adjustJob($adjust, $whenQueue, $foundJob, $foundJobCacheKey, $crcCacheKey, $foundJob->getWhenUs()); |
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if (null !== $result) { |
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return $result; |
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} |
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if (null === $this->maxPriority) { |
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return false; |
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} |
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$priorityQueue = $this->getPriorityQueueCacheKey(); |
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$result = $this->adjustJob($adjust, $priorityQueue, $foundJob, $foundJobCacheKey, $crcCacheKey, $foundJob->getPriority()); |
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return $result ?: false; |
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} |
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private function adjustJob($adjust, $queue, Job $foundJob, $foundJobCacheKey, $crcCacheKey, $zScore) |
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{ |
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if ($adjust && $this->redis->zRem($queue, $foundJob->getId()) > 0) { |
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if (!$this->insertJob($foundJob)) { |
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// Job is expired |
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$this->redis->lRem($crcCacheKey, 1, $foundJobCacheKey); |
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return false; |
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} |
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$this->redis->zAdd($queue, $zScore, $foundJob->getId()); |
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return $foundJob; |
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} |
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return null; |
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} |
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/** |
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* @param \Dtc\QueueBundle\Model\Job $job |
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* |
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* @return \Dtc\QueueBundle\Model\Job |
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* |
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* @throws ClassNotSubclassException |
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*/ |
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public function prioritySave(\Dtc\QueueBundle\Model\Job $job) |
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{ |
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if (!$job instanceof \Dtc\QueueBundle\Redis\Job) { |
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throw new \InvalidArgumentException('$job must be instance of '.\Dtc\QueueBundle\Redis\Job::class); |
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} |
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$this->validateSaveable($job); |
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$this->setJobId($job); |
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// Add to whenAt or priority queue? /// optimizaiton... |
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$whenUs = $job->getWhenUs(); |
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if (!$whenUs) { |
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$whenUs = Util::getMicrotimeDecimal(); |
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$job->setWhenUs($whenUs); |
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} |
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if (true === $job->getBatch()) { |
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// is there a CRC Hash already for this job |
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if ($oldJob = $this->batchSave($job)) { |
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return $oldJob; |
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} |
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} |
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return $this->saveJob($job); |
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} |
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protected function saveJob(\Dtc\QueueBundle\Redis\Job $job) |
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{ |
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$whenQueue = $this->getWhenQueueCacheKey(); |
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$crcCacheKey = $this->getJobCrcHashKey($job->getCrcHash()); |
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// Save Job |
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if (!$this->insertJob($job)) { |
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// job is expired |
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return null; |
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} |
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$jobId = $job->getId(); |
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$when = $job->getWhenUs(); |
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// Add Job to CRC list |
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$this->redis->lPush($crcCacheKey, [$jobId]); |
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$this->redis->zAdd($whenQueue, $when, $jobId); |
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return $job; |
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} |
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/** |
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* @param Job $job |
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* |
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* @return bool false if the job is already expired, true otherwise |
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*/ |
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protected function insertJob(\Dtc\QueueBundle\Redis\Job $job) |
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{ |
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// Save Job |
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$jobCacheKey = $this->getJobCacheKey($job->getId()); |
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if ($expiresAt = $job->getExpiresAt()) { |
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$expiresAtTime = $expiresAt->getTimestamp() - time(); |
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if ($expiresAtTime <= 0) { |
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return false; /// ??? job is already expired |
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} |
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$this->redis->setEx($jobCacheKey, $expiresAtTime, $job->toMessage()); |
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return true; |
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} |
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$this->redis->set($jobCacheKey, $job->toMessage()); |
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return true; |
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} |
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/** |
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* Attach a unique id to a job since RabbitMQ will not. |
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* |
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* @param \Dtc\QueueBundle\Model\Job $job |
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*/ |
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protected function setJobId(\Dtc\QueueBundle\Model\Job $job) |
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{ |
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View Code Duplication |
if (!$job->getId()) { |
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$job->setId(uniqid($this->hostname.'-'.$this->pid, true)); |
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} |
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} |
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/** |
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* Returns the prioirty in DESCENDING order, except if maxPrioirty is null, then prioirty is 0. |
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*/ |
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protected function calculatePriority($priority) |
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{ |
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$priority = parent::calculatePriority($priority); |
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if (null === $priority) { |
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return null === $this->maxPriority ? 0 : $this->maxPriority; |
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} |
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if (null === $this->maxPriority) { |
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return 0; |
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} |
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// Redis priority should be in DESC order |
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return $this->maxPriority - $priority; |
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} |
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/** |
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* @param \Dtc\QueueBundle\Model\Job $job |
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* |
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* @throws PriorityException |
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* @throws ClassNotSubclassException |
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*/ |
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View Code Duplication |
protected function validateSaveable(\Dtc\QueueBundle\Model\Job $job) |
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{ |
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if (null !== $job->getPriority() && null === $this->maxPriority) { |
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throw new PriorityException('This queue does not support priorities'); |
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} |
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if (!$job instanceof RetryableJob) { |
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throw new ClassNotSubclassException('Job needs to be instance of '.RetryableJob::class); |
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} |
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} |
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protected function verifyGetJobArgs($workerName = null, $methodName = null, $prioritize = true) |
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{ |
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View Code Duplication |
if (null !== $workerName || null !== $methodName || (null !== $this->maxPriority && true !== $prioritize)) { |
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throw new UnsupportedException('Unsupported'); |
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} |
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} |
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public function deleteJob(\Dtc\QueueBundle\Model\Job $job) |
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{ |
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$jobId = $job->getId(); |
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$priorityQueue = $this->getPriorityQueueCacheKey(); |
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$whenQueue = $this->getWhenQueueCacheKey(); |
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$deleted = false; |
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if ($this->redis->zRem($priorityQueue, $jobId)) { |
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$deleted = true; |
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} elseif ($this->redis->zRem($whenQueue, $jobId)) { |
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$deleted = true; |
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} |
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if ($deleted) { |
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$this->redis->del([$this->getJobCacheKey($jobId)]); |
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$this->redis->lRem($this->getJobCrcHashKey($job->getCrcHash()), 1, $jobId); |
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} |
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} |
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/** |
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* @param string $workerName |
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*/ |
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public function getJob($workerName = null, $methodName = null, $prioritize = true, $runId = null) |
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{ |
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// First thing migrate any jobs from When queue to Prioirty queue |
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$this->verifyGetJobArgs($workerName, $methodName, $prioritize); |
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if (null !== $this->maxPriority) { |
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$this->transferQueues(); |
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$queue = $this->getPriorityQueueCacheKey(); |
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$jobId = $this->redis->zPop($queue); |
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} else { |
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$queue = $this->getWhenQueueCacheKey(); |
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$microtime = Util::getMicrotimeDecimal(); |
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$jobId = $this->redis->zPopByMaxScore($queue, $microtime); |
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} |
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12 |
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if ($jobId) { |
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$jobMessage = $this->redis->get($this->getJobCacheKey($jobId)); |
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10 |
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$job = new \Dtc\QueueBundle\Redis\Job(); |
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$job->fromMessage($jobMessage); |
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10 |
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$crcCacheKey = $this->getJobCrcHashKey($job->getCrcHash()); |
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$this->redis->lRem($crcCacheKey, 1, $job->getId()); |
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$this->redis->del([$this->getJobCacheKey($job->getId())]); |
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351
|
10 |
|
return $job; |
352
|
|
|
} |
353
|
|
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|
354
|
8 |
|
return null; |
355
|
|
|
} |
356
|
|
|
|
357
|
|
|
protected function getCurTime() |
358
|
|
|
{ |
359
|
|
|
$time = intval(microtime(true) * 1000000); |
360
|
|
|
|
361
|
|
|
return $time; |
362
|
|
|
} |
363
|
|
|
|
364
|
4 |
View Code Duplication |
public function resetJob(RetryableJob $job) |
|
|
|
|
365
|
|
|
{ |
366
|
4 |
|
if (!$job instanceof \Dtc\QueueBundle\Redis\Job) { |
367
|
|
|
throw new \InvalidArgumentException('$job must be instance of '.\Dtc\QueueBundle\Redis\Job::class); |
368
|
|
|
} |
369
|
4 |
|
$job->setStatus(BaseJob::STATUS_NEW); |
370
|
4 |
|
$job->setMessage(null); |
371
|
4 |
|
$job->setStartedAt(null); |
372
|
4 |
|
$job->setRetries($job->getRetries() + 1); |
373
|
4 |
|
$job->setUpdatedAt(Util::getMicrotimeDateTime()); |
374
|
4 |
|
$this->saveJob($job); |
375
|
|
|
|
376
|
4 |
|
return true; |
377
|
|
|
} |
378
|
|
|
|
379
|
6 |
|
public function retryableSaveHistory(RetryableJob $job, $retry) |
380
|
|
|
{ |
381
|
6 |
|
} |
382
|
|
|
} |
383
|
|
|
|
It seems like the type of the argument is not accepted by the function/method which you are calling.
In some cases, in particular if PHP’s automatic type-juggling kicks in this might be fine. In other cases, however this might be a bug.
We suggest to add an explicit type cast like in the following example: