Symfony\Component\DependencyInjection\DefinitionDecorator::setFactoryService PHP Метод

    public function setFactoryService($service)
    {
        $this->changes['factory_service'] = true;

        return parent::setFactoryService($service);
    }

 private function loadAmqpTransport(array $config, ContainerBuilder $container)
 {
     $this->loader->load('transport/amqp/amqp.xml');
     $this->loader->load(sprintf('transport/amqp/%s.xml', $config['driver']));
     if (class_exists('JMS\\AopBundle\\JMSAopBundle')) {
         $this->loader->load('transport/amqp/tracer.xml');
     }
     $camelizeKey = function (array $config) {
         $camelized = [];
         foreach ($config as $key => $value) {
             $camelized[lcfirst(ContainerBuilder::camelize($key))] = $value;
         }
         return $camelized;
     };
     $definitions = [];
     foreach ($config['connections'] as $name => $connectionConfig) {
         $exchanges = $connectionConfig['exchanges'];
         unset($connectionConfig['exchanges']);
         $queues = $connectionConfig['queues'];
         unset($connectionConfig['queues']);
         $amqp = new DefinitionDecorator('event_band.transport.amqp.definition');
         $amqp->addMethodCall('connection', [$camelizeKey($connectionConfig)]);
         foreach ($exchanges as $exchange => $exchangeConfig) {
             $exchangeType = $exchangeConfig['type'];
             unset($exchangeConfig['type']);
             $amqp->addMethodCall($exchangeType . 'Exchange', [$exchange, $camelizeKey($exchangeConfig)]);
         }
         foreach ($queues as $queue => $queueConfig) {
             $amqp->addMethodCall('queue', [$queue, $camelizeKey($queueConfig)]);
         }
         $definitionId = self::getTransportDefinitionId('amqp', $name);
         $container->setDefinition($definitionId, $amqp);
         $definitions[$name] = $definitionId;
         $connection = new DefinitionDecorator('event_band.transport.amqp.connection_definition');
         $connection->setFactoryService($definitionId);
         $connectionId = self::getAmqpConnectionDefinitionId($name);
         $container->setDefinition($connectionId, $connection);
         $factory = new DefinitionDecorator(sprintf('event_band.transport.amqp.connection_factory.%s', $config['driver']));
         $factory->addMethodCall('setDefinition', [new Reference($connectionId)]);
         $container->setDefinition(self::getAmqpLibConnectionFactoryId($name), $factory);
         $driver = new DefinitionDecorator('event_band.transport.amqp.driver.' . $config['driver']);
         $driver->replaceArgument(0, new Reference($this->getAmqpLibConnectionFactoryId($name)));
         $container->setDefinition($this->getAmqpDriverId($name), $driver);
         $configurator = new DefinitionDecorator('event_band.transport.amqp.configurator');
         $configurator->replaceArgument(0, new Reference($this->getAmqpDriverId($name)));
         $container->setDefinition(self::getTypedTransportConfiguratorId('amqp', $name), $configurator);
         $container->getDefinition(self::getTransportConfiguratorId())->addMethodCall('registerConfigurator', ['amqp.' . $name, new Reference(self::getTypedTransportConfiguratorId('amqp', $name))]);
     }
     $container->setParameter('event_band.transport_definitions', array_merge($container->getParameter('event_band.transport_definitions'), ['amqp' => $definitions]));
     foreach ($config['converters'] as $name => $converterConfig) {
         $definition = new DefinitionDecorator('event_band.transport.amqp.converter.serialize');
         $definition->replaceArgument(0, new Reference(self::getSerializerId($converterConfig['parameters']['serializer'])));
         $container->setDefinition(self::getAmqpConverterId($name), $definition);
     }
 }