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<?php |
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namespace Beanie\Tube; |
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use Beanie\Beanie; |
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use Beanie\Command\CommandFactory; |
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use Beanie\Command\CommandInterface; |
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use Beanie\Command\Response; |
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use Beanie\Exception; |
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use Beanie\Exception\InvalidArgumentException; |
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use Beanie\Exception\NotFoundException; |
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use Beanie\Job\Job; |
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use Beanie\Job\JobFactory; |
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use Beanie\Server\Server; |
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class Tube implements TubeAwareInterface |
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{ |
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/** @var TubeStatus */ |
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protected $tubeStatus; |
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/** @var Server */ |
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protected $server; |
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/** @var JobFactory */ |
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protected $jobFactory; |
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/** @var CommandFactory */ |
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protected $commandFactory; |
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/** |
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* @param string $tubeName |
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* @param Server $server |
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* @param JobFactory|null $jobFactory |
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*/ |
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public function __construct($tubeName, Server $server, JobFactory $jobFactory = null) |
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{ |
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$this->tubeStatus = new TubeStatus(); |
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$this->tubeStatus->setCurrentTube($tubeName); |
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$this->server = $server; |
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$this->jobFactory = $jobFactory ?: JobFactory::instance(); |
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$this->commandFactory = CommandFactory::instance(); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getTubeStatus() |
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{ |
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return $this->tubeStatus; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function transformTubeStatusTo(TubeStatus $tubeStatus, $mode = TubeStatus::TRANSFORM_USE) |
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{ |
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$this->getTubeStatus()->transformTo($tubeStatus, $mode); |
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} |
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/** |
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* @return Job|null If no job in the ready state was found, null is returned |
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*/ |
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public function peekReady() |
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{ |
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return $this->peek($this->commandFactory->create(CommandInterface::COMMAND_PEEK_READY)); |
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} |
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/** |
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* @return Job|null If no job in the delayed state was found, null is returned |
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*/ |
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public function peekDelayed() |
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{ |
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return $this->peek($this->commandFactory->create(CommandInterface::COMMAND_PEEK_DELAYED)); |
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} |
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/** |
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* @return Job|null If no job in the buried state was found, null is returned |
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*/ |
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public function peekBuried() |
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{ |
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return $this->peek($this->commandFactory->create(CommandInterface::COMMAND_PEEK_BURIED)); |
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} |
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/** |
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* @param CommandInterface $command |
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* @return Job|null |
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* @throws Exception\InvalidArgumentException |
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*/ |
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protected function peek(CommandInterface $command) |
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{ |
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$this->sync(); |
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return $this->jobFactory->createFromCommand( |
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$command, |
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$this->server |
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)->invoke(); |
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} |
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protected function sync() |
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{ |
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$this->server->transformTubeStatusTo($this->getTubeStatus(), TubeStatus::TRANSFORM_USE); |
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} |
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/** |
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* @param int $howMany |
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* @return int |
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* @throws InvalidArgumentException |
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*/ |
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public function kick($howMany = Beanie::DEFAULT_MAX_TO_KICK) |
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{ |
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$this->checkConstraints($howMany, 1, 'Kick requires a strictly positive number of jobs to kick'); |
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$this->sync(); |
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return (int) $this->executeCommand(CommandInterface::COMMAND_KICK, [$howMany])->getData(); |
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} |
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/** |
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* @return array |
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* @throws NotFoundException If this tube has no data, i.e. it does not exist. |
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*/ |
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public function stats() |
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{ |
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$this->sync(); |
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return (array) $this |
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->executeCommand(CommandInterface::COMMAND_STATS_TUBE, [$this->getTubeStatus()->getCurrentTube()]) |
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->getData(); |
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} |
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/** |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return $this->tubeStatus->getCurrentTube(); |
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} |
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/** |
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* @param int $howLong |
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* @return bool |
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* @throws InvalidArgumentException |
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* @throws NotFoundException If this tube does not exist, it cannot be paused. |
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*/ |
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public function pause($howLong) |
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{ |
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$this->checkConstraints($howLong, 0, 'Must pause for 0 or more seconds'); |
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$this->sync(); |
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return $this |
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->executeCommand(CommandInterface::COMMAND_PAUSE_TUBE, [$this->getTubeStatus()->getCurrentTube(), $howLong]) |
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->getName() == Response::RESPONSE_PAUSED; |
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} |
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private function checkConstraints($actual, $minimum, $message) |
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{ |
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if (!is_int($actual) || $actual < $minimum) { |
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throw new InvalidArgumentException($message); |
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} |
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} |
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/** |
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* @param string $command |
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* @param array $arguments |
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* @return Response |
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*/ |
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private function executeCommand($command, $arguments = []) |
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{ |
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return $this->server |
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->dispatchCommand($this->commandFactory->create($command, $arguments)) |
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->invoke(); |
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} |
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} |
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zwilias /
beanie
