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<?php |
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/** |
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* Date: 03.12.15 |
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* |
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* @author Portey Vasil <[email protected]> |
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*/ |
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namespace Youshido\GraphQL\Introspection; |
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use Youshido\GraphQL\Field\Field; |
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use Youshido\GraphQL\Introspection\Field\TypesField; |
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use Youshido\GraphQL\Schema\AbstractSchema; |
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use Youshido\GraphQL\Type\ListType\ListType; |
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use Youshido\GraphQL\Type\Object\AbstractObjectType; |
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use Youshido\GraphQL\Type\Object\ObjectType; |
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use Youshido\GraphQL\Type\TypeMap; |
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class SchemaType extends AbstractObjectType |
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{ |
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/** |
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* @return String type name |
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*/ |
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public function getName() |
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{ |
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return '__Schema'; |
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} |
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public static function resolveQueryType($value) |
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{ |
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/** @var AbstractSchema|Field $value */ |
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return $value->getQueryType(); |
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} |
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public static function resolveMutationType($value) |
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{ |
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/** @var AbstractSchema|Field $value */ |
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return $value->getMutationType()->hasFields() ? $value->getMutationType() : null; |
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} |
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public static function resolveSubscriptionType() { |
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return null; |
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} |
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public function build($config) |
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{ |
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$config |
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->addField(new Field([ |
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'name' => 'queryType', |
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'type' => new QueryType(), |
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'resolve' => [get_class($this), 'resolveQueryType'] |
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])) |
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->addField(new Field([ |
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'name' => 'mutationType', |
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'type' => new QueryType(), |
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'resolve' => [get_class($this), 'resolveMutationType'] |
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])) |
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->addField(new Field([ |
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'name' => 'subscriptionType', |
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'type' => new ObjectType([ |
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'name' => '__Subscription', |
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'fields' => [ |
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'name' => ['type' => TypeMap::TYPE_STRING] |
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] |
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]), |
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'resolve' => [get_class($this), 'resolveSubscriptionType'] |
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])) |
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->addField(new TypesField()) |
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->addField(new Field([ |
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'name' => 'directives', |
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'type' => new ListType(new DirectiveType()) |
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])); |
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} |
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} |
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It seems like the method you are trying to call exists only in some of the possible types.
Let’s take a look at an example:
Available Fixes
Add an additional type-check:
Only allow a single type to be passed if the variable comes from a parameter: