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<?php |
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namespace tomzx\Job; |
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use InvalidArgumentException; |
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class Awaiter |
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{ |
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/** |
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* @var int |
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*/ |
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private $resolutionMicroSeconds; |
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/** |
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* @param int $resolutionMicroSeconds |
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*/ |
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public function __construct(int $resolutionMicroSeconds = 100000) |
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{ |
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$this->resolutionMicroSeconds = $resolutionMicroSeconds; |
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} |
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/** |
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* @param \tomzx\Job\JobQueue $queue |
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* @return \tomzx\Job\JobQueue |
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*/ |
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public function all(JobQueue $queue): JobQueue |
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{ |
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if ($queue->isEmpty()) { |
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return $queue; |
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} |
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1 |
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$jobs = $queue; |
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while (true) { |
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$jobsLeft = new JobQueue(); |
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foreach ($jobs->all() as $job) { |
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if ( ! $job->isResolved()) { |
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$jobsLeft->push($job); |
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} |
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} |
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1 |
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if ($jobsLeft->isEmpty()) { |
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return $queue; |
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} |
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$jobs = $jobsLeft; |
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usleep($this->resolutionMicroSeconds); |
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} |
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} |
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/** |
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* @param \tomzx\Job\JobQueue $queue |
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* @return \tomzx\Job\Job |
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* @throws \InvalidArgumentException |
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*/ |
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public function any(JobQueue $queue): Job |
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{ |
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if ($queue->isEmpty()) { |
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throw new InvalidArgumentException('Cannot await any job when there are none.'); |
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} |
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while (true) { |
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foreach ($queue->all() as $job) { |
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if ($job->isResolved()) { |
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return $job; |
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} |
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} |
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usleep($this->resolutionMicroSeconds); |
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} |
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} |
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/** |
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* @param \tomzx\Job\JobQueue $queue |
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* @param int $count |
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* @return \tomzx\Job\JobQueue |
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* @throws \InvalidArgumentException |
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*/ |
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public function some(JobQueue $queue, int $count): JobQueue |
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{ |
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$jobs = $queue; |
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$countJobsLeft = $jobs->count(); |
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if ($count > $countJobsLeft) { |
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throw new InvalidArgumentException('Awaiting more jobs than available.'); |
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} |
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$jobsCompleted = new JobQueue(); |
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1 |
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while (true) { |
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$jobsLeft = new JobQueue(); |
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foreach ($jobs->all() as $job) { |
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if ($job->isResolved()) { |
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$jobsCompleted->push($job); |
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if ($jobsCompleted->count() === $count) { |
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break; |
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} |
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} else { |
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$jobsLeft->push($job); |
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} |
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} |
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1 |
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if ($jobsCompleted->count() === $count) { |
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return $jobsCompleted; |
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} |
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1 |
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$jobs = $jobsLeft; |
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1 |
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usleep($this->resolutionMicroSeconds); |
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} |
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} |
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} |
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tomzx /
job
