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<?php |
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namespace Digia\GraphQL\Schema\Resolver; |
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use Digia\GraphQL\Error\ResolutionException; |
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class ResolverRegistry implements ResolverRegistryInterface |
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{ |
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/** |
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* @var ResolverInterface[] |
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*/ |
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protected $resolverMap; |
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/** |
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* ResolverMapRegistry constructor. |
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* @param array $resolvers |
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*/ |
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public function __construct(array $resolvers = []) |
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{ |
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$this->registerResolvers($resolvers); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function register(string $typeName, ResolverInterface $resolver): void |
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{ |
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$this->resolverMap[$typeName] = $resolver; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function lookup(string $typeName, string $fieldName): ?callable |
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{ |
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$resolver = $this->getResolver($typeName); |
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if (null === $resolver) { |
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return null; |
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} |
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if ($resolver instanceof ResolverInterface) { |
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return $resolver->getResolveMethod($fieldName); |
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} |
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throw new ResolutionException(\sprintf('Failed to resolve field "%s" for type "%s".', $fieldName, $typeName)); |
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} |
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/** |
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* @param string $typeName |
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* @return ResolverInterface|null |
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*/ |
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public function getResolver(string $typeName): ?ResolverInterface |
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{ |
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return $this->resolverMap[$typeName] ?? null; |
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} |
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/** |
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* @param array $resolvers |
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*/ |
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protected function registerResolvers(array $resolvers): void |
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{ |
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foreach ($resolvers as $typeName => $resolver) { |
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if (\is_array($resolver)) { |
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$resolver = new ArrayResolver($resolver); |
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} |
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if (\is_string($resolver)) { |
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$resolver = new $resolver(); |
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} |
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$this->register($typeName, $resolver); |
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} |
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} |
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} |
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digiaonline /
graphql-php
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