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<?php |
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namespace Drupal\graphql\Plugin\GraphQL; |
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use Drupal\Core\Extension\ModuleHandlerInterface; |
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use Drupal\Core\Plugin\DefaultPluginManager; |
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use Psr\Log\LoggerInterface; |
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use Traversable; |
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/** |
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* Base class for type system plugin managers or all sorts. |
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*/ |
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class TypeSystemPluginManager extends DefaultPluginManager { |
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/** |
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* Static cache for plugin instances. |
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* |
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* @var object[] |
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*/ |
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protected $instances = []; |
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/** |
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* A logger instance. |
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* |
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* @var \Psr\Log\LoggerInterface |
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*/ |
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protected $logger; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __construct( |
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$pluginSubdirectory, |
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Traversable $namespaces, |
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ModuleHandlerInterface $moduleHandler, |
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$pluginInterface, |
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$pluginAnnotationName, |
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$alterInfo, |
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LoggerInterface $logger |
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) { |
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$this->alterInfo($alterInfo); |
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$this->logger = $logger; |
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parent::__construct( |
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$pluginSubdirectory, |
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$namespaces, |
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$moduleHandler, |
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$pluginInterface, |
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$pluginAnnotationName |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function createInstance($pluginId, array $configuration = []) { |
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if (!array_key_exists('schema_manager', $configuration)) { |
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throw new \LogicException('Missing schema manager instance in configuration.'); |
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} |
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if (!array_key_exists($pluginId, $this->instances)) { |
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// We deliberately ignore that $configuration could be different, because |
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// GraphQL plugins don't contain user defined configuration. |
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$this->instances[$pluginId] = parent::createInstance($pluginId); |
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if (!$this->instances[$pluginId] instanceof TypeSystemPluginInterface) { |
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throw new \LogicException(sprintf('Plugin %s does not implement \Drupal\graphql\Plugin\GraphQL\TypeSystemPluginInterface.', $pluginId)); |
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} |
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try { |
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$this->instances[$pluginId]->buildConfig($configuration['schema_manager']); |
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} |
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catch (\Exception $exception) { |
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$this->logger->warning(sprintf('Plugin %s could not be added to the GraphQL schema: %s', $pluginId, $exception->getMessage())); |
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$this->instances[$pluginId] = NULL; |
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} |
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} |
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return $this->instances[$pluginId]; |
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} |
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} |
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drupal-graphql /
graphql
