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<?php |
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namespace Disque\Command; |
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use Disque\Command\Argument\StringChecker; |
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use Disque\Command\Argument\InvalidOptionException; |
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use Disque\Command\Response\JobsWithQueueResponse; |
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use Disque\Command\Response\JobsWithCountersResponse; |
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class GetJob extends BaseCommand implements CommandInterface |
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{ |
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use StringChecker; |
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/** |
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* Tells which class handles the response |
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* |
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* @var int |
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*/ |
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protected $responseHandler = JobsWithQueueResponse::class; |
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/** |
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* Available command options |
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* |
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* @var array |
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*/ |
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protected $options = [ |
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'nohang' => false, |
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'count' => null, |
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'timeout' => null, |
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'withcounters' => false |
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]; |
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/** |
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* Available command arguments, and their mapping to options |
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* |
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* @var array |
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*/ |
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protected $availableArguments = [ |
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'nohang' => 'NOHANG', |
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'timeout' => 'TIMEOUT', |
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'count' => 'COUNT', |
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'withcounters' => 'WITHCOUNTERS' |
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]; |
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/** |
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* Get command |
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* |
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* @return string Command |
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*/ |
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public function getCommand() |
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{ |
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return 'GETJOB'; |
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} |
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/** |
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* Tells if this command blocks while waiting for a response, to avoid |
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* being affected by connection timeouts. |
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* |
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* @return bool If true, this command blocks |
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*/ |
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public function isBlocking() |
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{ |
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$arguments = $this->getArguments(); |
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$options = end($arguments); |
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if (is_array($options) && !empty($options['nohang'])) { |
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return false; |
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} |
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return true; |
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} |
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/** |
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* Set arguments for the command |
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* |
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* The $arguments must contain at least one, possibly more queue names |
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* to read from. If the last value in the $arguments array is an array, |
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* it can contain further optional arguments. |
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* @see $availableArguments |
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* |
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* @param array $arguments Arguments |
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* @throws InvalidOptionException |
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*/ |
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public function setArguments(array $arguments) |
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{ |
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$options = []; |
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$last = end($arguments); |
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if (is_array($last)) { |
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$options = $last; |
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$arguments = array_slice($arguments, 0, -1); |
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if ( |
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(isset($options['count']) && !is_int($options['count'])) || |
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(isset($options['timeout']) && !is_int($options['timeout'])) |
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) { |
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throw new InvalidOptionException($this, $last); |
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} |
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if (!empty($options['withcounters'])) { |
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// The response will contain NACKs and additional-deliveries |
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$this->responseHandler = JobsWithCountersResponse::class; |
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} |
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$options = $this->toArguments($options); |
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} |
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$this->checkStringArguments($arguments); |
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$this->arguments = array_merge($options, ['FROM'], array_values($arguments)); |
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} |
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} |
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