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<?php |
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namespace TheCodingMachine\GraphQL\Controllers; |
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use function get_class; |
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use GraphQL\Type\Definition\NamedType; |
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use GraphQL\Type\Definition\ObjectType; |
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use GraphQL\Type\Definition\InterfaceType; |
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use GraphQL\Type\Definition\Type; |
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use TheCodingMachine\GraphQL\Controllers\Types\MutableObjectType; |
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/** |
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* A cache used to store already FULLY COMPUTED types. |
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*/ |
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class TypeRegistry |
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{ |
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/** |
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* @var array<string,NamedType&Type&(MutableObjectType|InterfaceType)> |
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*/ |
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private $outputTypes = []; |
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/** |
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* Registers a type. |
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* IMPORTANT: the type MUST be fully computed (so ExtendType annotations must have ALREADY been applied to the tag) |
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* ONLY THE RecursiveTypeMapper IS ALLOWED TO CALL THIS METHOD. |
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* |
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* @param NamedType&Type&(ObjectType|InterfaceType) $type |
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*/ |
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public function registerType(NamedType $type): void |
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{ |
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if (isset($this->outputTypes[$type->name])) { |
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throw new GraphQLException('Type "'.$type->name.'" is already registered'); |
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} |
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$this->outputTypes[$type->name] = $type; |
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} |
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public function hasType(string $typeName): bool |
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{ |
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return isset($this->outputTypes[$typeName]); |
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} |
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/** |
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* @param string $typeName |
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* @return NamedType&Type&(ObjectType|InterfaceType) |
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*/ |
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public function getType(string $typeName): NamedType |
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{ |
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if (!isset($this->outputTypes[$typeName])) { |
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throw new GraphQLException('Could not find type "'.$typeName.'" in registry'); |
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} |
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return $this->outputTypes[$typeName]; |
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} |
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public function getMutableObjectType(string $typeName): MutableObjectType |
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{ |
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$type = $this->getType($typeName); |
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if (!$type instanceof MutableObjectType) { |
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throw new GraphQLException('Expected GraphQL type "'.$typeName.'" to be an MutableObjectType. Got a '.get_class($type)); |
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} |
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return $type; |
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} |
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} |
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