eZ\Publish\Core\Base\Container\Compiler\Storage\ExternalStorageRegistryPass::process PHP Метод

    public function process(ContainerBuilder $container)
    {
        if (!$container->hasDefinition('ezpublish.persistence.external_storage_registry.factory')) {
            return;
        }
        $externalStorageRegistryFactoryDefinition = $container->getDefinition('ezpublish.persistence.external_storage_registry.factory');
        // Gateways for external storage handlers.
        // Alias attribute is the corresponding field type string.
        $externalStorageGateways = array();
        // Referencing the services by alias (field type string)
        foreach ($container->findTaggedServiceIds('ezpublish.fieldType.externalStorageHandler.gateway') as $id => $attributes) {
            foreach ($attributes as $attribute) {
                if (!isset($attribute['alias'])) {
                    throw new LogicException('ezpublish.fieldType.externalStorageHandler.gateway service tag needs an "alias" attribute to identify the field type. None given.');
                }
                if (!isset($attribute['identifier'])) {
                    throw new LogicException('ezpublish.fieldType.externalStorageHandler.gateway service tag needs an "identifier" attribute to identify the gateway. None given.');
                }
                $externalStorageGateways[$attribute['alias']] = array('id' => $id, 'identifier' => $attribute['identifier']);
            }
        }
        // External storage handlers for field types that need them.
        // Alias attribute is the field type string.
        foreach ($container->findTaggedServiceIds('ezpublish.fieldType.externalStorageHandler') as $id => $attributes) {
            foreach ($attributes as $attribute) {
                if (!isset($attribute['alias'])) {
                    throw new LogicException('ezpublish.fieldType.externalStorageHandler service tag needs an "alias" attribute to identify the field type. None given.');
                }
                // If the storage handler is gateway based, then we need to add a corresponding gateway to it.
                // Will throw a LogicException if no gateway is defined for this field type.
                $storageHandlerDef = $container->findDefinition($id);
                $storageHandlerClass = $storageHandlerDef->getClass();
                if (preg_match('/^%([^%\\s]+)%$/', $storageHandlerClass, $match)) {
                    $storageHandlerClass = $container->getParameter($match[1]);
                }
                if (is_subclass_of($storageHandlerClass, 'eZ\\Publish\\Core\\FieldType\\GatewayBasedStorage')) {
                    if (!isset($externalStorageGateways[$attribute['alias']])) {
                        throw new LogicException("External storage handler '{$id}' for field type {$attribute['alias']} needs a storage gateway but none was given.\n                        Consider defining a storage gateway as a service for this field type and add the 'ezpublish.fieldType.externalStorageHandler.gateway tag'");
                    }
                    $storageHandlerDef->addMethodCall('addGateway', array($externalStorageGateways[$attribute['alias']]['identifier'], new Reference($externalStorageGateways[$attribute['alias']]['id'])));
                }
                $externalStorageRegistryFactoryDefinition->addMethodCall('registerExternalStorageHandler', array($id, $attribute['alias']));
            }
        }
    }