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<?php |
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namespace TheCodingMachine\Tdbm\GraphQL\Registry; |
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use Psr\Container\ContainerExceptionInterface; |
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use Psr\Container\ContainerInterface; |
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use Psr\Container\NotFoundExceptionInterface; |
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use Youshido\GraphQL\Type\Object\AbstractObjectType; |
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/** |
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* The role of the registry is to provide access to all GraphQL types. |
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* If the type is not found, it can be queried from the container, or if not in the container, it can be created from the Registry itself. |
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* |
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*/ |
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class Registry implements ContainerInterface |
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{ |
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/** |
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* @var ContainerInterface |
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*/ |
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private $container; |
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/** |
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* @var AbstractObjectType[] |
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*/ |
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private $values = []; |
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/** |
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* @param ContainerInterface $container The proxied container. |
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*/ |
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public function __construct(ContainerInterface $container) |
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{ |
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$this->container = $container; |
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} |
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/** |
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* Finds an entry of the container by its identifier and returns it. |
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* |
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* @param string $id Identifier of the entry to look for. |
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* |
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* @throws NotFoundExceptionInterface No entry was found for **this** identifier. |
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* @throws ContainerExceptionInterface Error while retrieving the entry. |
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* |
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* @return mixed Entry. |
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*/ |
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public function get($id) |
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{ |
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if (isset($this->values[$id])) { |
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return $this->values[$id]; |
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} |
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if ($this->container->has($id)) { |
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return $this->container->get($id); |
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} |
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if (is_a($id, AbstractObjectType::class, true)) { |
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$this->values[$id] = new $id($this); |
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return $this->values[$id]; |
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} |
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throw NotFoundException::notFound($id); |
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} |
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/** |
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* Returns true if the container can return an entry for the given identifier. |
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* Returns false otherwise. |
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* |
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* `has($id)` returning true does not mean that `get($id)` will not throw an exception. |
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* It does however mean that `get($id)` will not throw a `NotFoundExceptionInterface`. |
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* |
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* @param string $id Identifier of the entry to look for. |
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* |
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* @return bool |
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*/ |
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public function has($id) |
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{ |
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if (isset($this->values[$id])) { |
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return true; |
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} |
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if ($this->container->has($id)) { |
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return true; |
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} |
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if (is_a($id, AbstractObjectType::class, true)) { |
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return true; |
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} |
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return false; |
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} |
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} |
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thecodingmachine /
tdbm-graphql
