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<?php |
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namespace Gendoria\CommandQueueBundle\DependencyInjection\Pass; |
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use Gendoria\CommandQueueBundle\Worker\WorkerRunnerInterface; |
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use InvalidArgumentException; |
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use ReflectionClass; |
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use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface; |
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use Symfony\Component\DependencyInjection\ContainerBuilder; |
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use Symfony\Component\DependencyInjection\Definition; |
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/** |
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* Description of WorkersPass |
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* |
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* @author Tomasz Struczyński <[email protected]> |
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*/ |
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class WorkerRunnersPass implements CompilerPassInterface |
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{ |
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const WORKER_RUNNER_TAG = 'gendoria_command_queue.worker'; |
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const MANAGER_ID = 'gendoria_command_queue.runner_manager'; |
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/** |
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* Process all services tagged as worker runners and add them to runner manager service. |
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* |
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* @param ContainerBuilder $container |
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* @throws InvalidArgumentException Thrown, if service initialization failed. |
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*/ |
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public function process(ContainerBuilder $container) |
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{ |
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$manager = $container->findDefinition(self::MANAGER_ID); |
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$serviceIds = $container->findTaggedServiceIds(self::WORKER_RUNNER_TAG); |
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foreach ($serviceIds as $serviceId => $tags) { |
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$this->addManagerCalls($container, $manager, $serviceId, $tags); |
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} |
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} |
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/** |
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* Parse single tagged service. |
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* |
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* @param ContainerBuilder $container |
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* @param Definition $manager |
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* @param string $serviceId |
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* @param array $tags |
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* @throws InvalidArgumentException Thrown, if service initialization failed. |
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*/ |
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private function addManagerCalls(ContainerBuilder $container, Definition $manager, $serviceId, array $tags) |
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{ |
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foreach ($tags as $tag) { |
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$this->addManagerCall($container, $manager, $serviceId, $tag); |
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} |
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} |
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/** |
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* Parse single tagged service tag. |
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* |
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* @param ContainerBuilder $container |
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* @param Definition $manager |
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* @param string $serviceId |
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* @param array $tag |
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* @throws InvalidArgumentException Thrown, if service initialization failed. |
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*/ |
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private function addManagerCall(ContainerBuilder $container, Definition $manager, $serviceId, array $tag) |
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{ |
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$this->assertCorrectName($tag); |
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$this->assertCorrectService($container, $serviceId); |
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$options = !empty($tag['options']) ? json_decode($tag['options'], true) : array(); |
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$this->assertCorrectOptions($options); |
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$manager->addMethodCall('addRunner', array($tag['name'], $serviceId, $options)); |
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} |
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/** |
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* Assert correct tag structure. |
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* |
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* @param array $tag |
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* @throws InvalidArgumentException Thrown, if tag does not contain correct fields. |
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*/ |
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private function assertCorrectName(array $tag) |
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{ |
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if (empty($tag['name'])) { |
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throw new InvalidArgumentException('Tag '.self::WORKER_RUNNER_TAG.' has to contain "name" parameter.'); |
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} |
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} |
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/** |
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* Assert correct options structure. |
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* |
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* @param moxed $options |
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* @throws InvalidArgumentException Thrown, if options are invalid (not an array). |
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*/ |
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private function assertCorrectOptions($options) |
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{ |
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if (!is_array($options)) { |
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throw new InvalidArgumentException('Options parameter has to be a valid JSON.'); |
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} |
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} |
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/** |
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* Assert valid tagged service. |
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* |
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* @param ContainerBuilder $container |
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* @param string $serviceId |
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* @throws InvalidArgumentException Thrown, if tagged service does not implement correct interfaces. |
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*/ |
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private function assertCorrectService(ContainerBuilder $container, $serviceId) |
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{ |
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$definition = $container->findDefinition($serviceId); |
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$reflection = new ReflectionClass($definition->getClass()); |
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if (!$reflection->implementsInterface(WorkerRunnerInterface::class)) { |
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throw new InvalidArgumentException('Runner service has to implement WorkerRunnerInterface.'); |
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} |
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} |
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} |
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Gendoria /
command-queue-bundle
