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<?php |
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/* |
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* This file is a part of GraphQL project. |
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* |
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* @author Alexandr Viniychuk <[email protected]> |
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* created: 5/19/16 9:00 AM |
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*/ |
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namespace Youshido\GraphQL\Execution\Context; |
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use Youshido\GraphQL\Execution\Container\ContainerInterface; |
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use Youshido\GraphQL\Execution\Request; |
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use Youshido\GraphQL\Field\Field; |
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use Youshido\GraphQL\Introspection\Field\SchemaField; |
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use Youshido\GraphQL\Introspection\Field\TypeDefinitionField; |
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use Youshido\GraphQL\Schema\AbstractSchema; |
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use Youshido\GraphQL\Type\Object\AbstractObjectType; |
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use Youshido\GraphQL\Validator\ErrorContainer\ErrorContainerTrait; |
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use Youshido\GraphQL\Validator\SchemaValidator\SchemaValidator; |
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class ExecutionContext implements ExecutionContextInterface |
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{ |
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use ErrorContainerTrait; |
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/** @var AbstractSchema */ |
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private $schema; |
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/** @var Request */ |
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private $request; |
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/** @var ContainerInterface */ |
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private $container; |
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/** @var array */ |
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private $typeFieldLookupTable; |
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/** |
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* ExecutionContext constructor. |
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* |
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* @param AbstractSchema $schema |
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*/ |
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public function __construct(AbstractSchema $schema) |
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{ |
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$this->schema = $schema; |
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$this->validateSchema(); |
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$this->introduceIntrospectionFields(); |
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$this->typeFieldLookupTable = []; |
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} |
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/** |
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* @param AbstractObjectType $type |
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* @param string $fieldName |
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* |
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* @return Field |
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*/ |
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public function getField(AbstractObjectType $type, $fieldName) |
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{ |
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$typeName = $type->getName(); |
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if (!array_key_exists($typeName, $this->typeFieldLookupTable)) { |
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$this->typeFieldLookupTable[$typeName] = []; |
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} |
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if (!array_key_exists($fieldName, $this->typeFieldLookupTable[$typeName])) { |
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$this->typeFieldLookupTable[$typeName][$fieldName] = $type->getField($fieldName); |
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} |
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return $this->typeFieldLookupTable[$typeName][$fieldName]; |
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} |
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protected function validateSchema() |
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{ |
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try { |
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(new SchemaValidator())->validate($this->schema); |
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} catch (\Exception $e) { |
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$this->addError($e); |
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}; |
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} |
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protected function introduceIntrospectionFields() |
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{ |
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$schemaField = new SchemaField(); |
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$this->schema->addQueryField($schemaField); |
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$this->schema->addQueryField(new TypeDefinitionField()); |
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} |
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/** |
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* @return AbstractSchema |
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*/ |
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public function getSchema() |
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{ |
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return $this->schema; |
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} |
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/** |
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* @param AbstractSchema $schema |
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* |
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* @return $this |
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*/ |
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public function setSchema(AbstractSchema $schema) |
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{ |
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$this->schema = $schema; |
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return $this; |
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} |
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/** |
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* @return Request |
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*/ |
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public function getRequest() |
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{ |
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return $this->request; |
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} |
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/** |
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* @param Request $request |
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* |
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* @return $this |
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*/ |
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public function setRequest(Request $request) |
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{ |
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$this->request = $request; |
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return $this; |
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} |
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public function get($id) |
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{ |
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return $this->container->get($id); |
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} |
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/** |
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* @return ContainerInterface |
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*/ |
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public function getContainer() |
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{ |
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return $this->container; |
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} |
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/** |
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* @param ContainerInterface $container |
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* |
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* @return $this |
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*/ |
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public function setContainer(ContainerInterface $container) |
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{ |
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$this->container = $container; |
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return $this; |
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} |
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} |
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Youshido /
GraphQL
