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<?php |
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namespace Digia\GraphQL\Schema\Resolver; |
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use Digia\GraphQL\Execution\ResolveInfo; |
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abstract class AbstractResolver implements ClassResolverInterface |
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{ |
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/** |
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* @param mixed $rootValue |
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* @param mixed $contextValues |
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* @param ResolveInfo $info |
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* @return callable|null |
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*/ |
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abstract public function resolveType($rootValue, $contextValues, ResolveInfo $info): ?callable; |
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/** |
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* @inheritdoc |
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*/ |
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public function beforeResolve( |
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callable $resolveCallback, |
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$rootValue, |
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array $args, |
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$contextValues = null, |
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?ResolveInfo $info = null |
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) { |
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// Override this method to perform logic before the resolver is invoked. |
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return $resolveCallback($rootValue, $args, $contextValues, $info); |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function afterResolve( |
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$result, |
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$rootValue, |
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array $args, |
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$contextValues = null, |
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?ResolveInfo $info = null |
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) { |
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// Override this method to perform logic after the resolver is invoked. |
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return $result; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getResolveCallback(string $fieldName): ?callable |
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{ |
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$resolveMethod = 'resolve' . \ucfirst($fieldName); |
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if (\method_exists($this, $resolveMethod)) { |
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return [$this, $resolveMethod]; |
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} |
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return null; |
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} |
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/** |
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* @inheritdoc |
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*/ |
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public function getTypeResolver(): ?callable |
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{ |
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return function ($rootValue, $contextValues, ResolveInfo $info) { |
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return $this->resolveType($rootValue, $contextValues, $info); |
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}; |
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} |
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} |
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digiaonline /
graphql-php
