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<?php |
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/* |
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* This file is part of the OverblogGraphQLBundle package. |
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* |
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* (c) Overblog <http://github.com/overblog/> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Overblog\GraphQLBundle\Executor\Promise\Adapter; |
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use GraphQL\Executor\ExecutionResult; |
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use GraphQL\Executor\Promise\Adapter\ReactPromiseAdapter as BaseReactPromiseAdapter; |
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use GraphQL\Executor\Promise\Promise; |
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use Overblog\GraphQLBundle\Executor\Promise\PromiseAdapterInterface; |
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class ReactPromiseAdapter extends BaseReactPromiseAdapter implements PromiseAdapterInterface |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function isThenable($value) |
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{ |
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return parent::isThenable($value instanceof Promise ? $value->adoptedPromise : $value); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function convertThenable($thenable) |
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{ |
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if ($thenable instanceof Promise) { |
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return $thenable; |
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} |
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return parent::convertThenable($thenable); |
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} |
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/** |
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* Synchronously wait when promise completes. |
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* |
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* @param Promise $promise |
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* |
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* @return ExecutionResult |
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* |
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* @throws \Exception |
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*/ |
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public function wait(Promise $promise) |
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{ |
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if (!$this->isThenable($promise)) { |
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return; |
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} |
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$wait = true; |
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$resolvedValue = null; |
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$exception = null; |
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/** @var \React\Promise\PromiseInterface $reactPromise */ |
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$reactPromise = $promise->adoptedPromise; |
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while ($wait) { |
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$reactPromise->then(function ($values) use (&$resolvedValue, &$wait) { |
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$resolvedValue = $values; |
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$wait = false; |
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}, function ($reason) use (&$exception, &$wait) { |
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$exception = $reason; |
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$wait = false; |
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}); |
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} |
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if ($exception instanceof \Exception) { |
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throw $exception; |
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} |
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return $resolvedValue; |
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} |
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} |
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overblog /
GraphQLBundle
