PHP Type::isCompositeType方法代码示例

 public function __invoke(ValidationContext $context)
 {
     return [Node::INLINE_FRAGMENT => function (InlineFragment $node) use($context) {
         $type = $context->getType();
         if ($node->typeCondition && $type && !Type::isCompositeType($type)) {
             $context->reportError(new Error(static::inlineFragmentOnNonCompositeErrorMessage($type), [$node->typeCondition]));
         }
     }, Node::FRAGMENT_DEFINITION => function (FragmentDefinition $node) use($context) {
         $type = $context->getType();
         if ($type && !Type::isCompositeType($type)) {
             $context->reportError(new Error(static::fragmentOnNonCompositeErrorMessage($node->name->value, Printer::doPrint($node->typeCondition)), [$node->typeCondition]));
         }
     }];
 }

 /**
  * @param Node $node
  */
 function enter(Node $node)
 {
     $schema = $this->schema;
     switch ($node->kind) {
         case Node::SELECTION_SET:
             $namedType = Type::getNamedType($this->getType());
             $compositeType = null;
             if (Type::isCompositeType($namedType)) {
                 // isCompositeType is a type refining predicate, so this is safe.
                 $compositeType = $namedType;
             }
             $this->parentTypeStack[] = $compositeType;
             // push
             break;
         case Node::FIELD:
             $parentType = $this->getParentType();
             $fieldDef = null;
             if ($parentType) {
                 $fieldDef = self::getFieldDefinition($schema, $parentType, $node);
             }
             $this->fieldDefStack[] = $fieldDef;
             // push
             $this->typeStack[] = $fieldDef ? $fieldDef->getType() : null;
             // push
             break;
         case Node::DIRECTIVE:
             $this->directive = $schema->getDirective($node->name->value);
             break;
         case Node::OPERATION_DEFINITION:
             $type = null;
             if ($node->operation === 'query') {
                 $type = $schema->getQueryType();
             } else {
                 if ($node->operation === 'mutation') {
                     $type = $schema->getMutationType();
                 } else {
                     if ($node->operation === 'subscription') {
                         $type = $schema->getSubscriptionType();
                     }
                 }
             }
             $this->typeStack[] = $type;
             // push
             break;
         case Node::INLINE_FRAGMENT:
         case Node::FRAGMENT_DEFINITION:
             $typeConditionAST = $node->typeCondition;
             $outputType = $typeConditionAST ? self::typeFromAST($schema, $typeConditionAST) : $this->getType();
             $this->typeStack[] = $outputType;
             // push
             break;
         case Node::VARIABLE_DEFINITION:
             $inputType = self::typeFromAST($schema, $node->type);
             $this->inputTypeStack[] = $inputType;
             // push
             break;
         case Node::ARGUMENT:
             $fieldOrDirective = $this->getDirective() ?: $this->getFieldDef();
             $argDef = $argType = null;
             if ($fieldOrDirective) {
                 $argDef = Utils::find($fieldOrDirective->args, function ($arg) use($node) {
                     return $arg->name === $node->name->value;
                 });
                 if ($argDef) {
                     $argType = $argDef->getType();
                 }
             }
             $this->argument = $argDef;
             $this->inputTypeStack[] = $argType;
             // push
             break;
         case Node::LST:
             $listType = Type::getNullableType($this->getInputType());
             $this->inputTypeStack[] = $listType instanceof ListOfType ? $listType->getWrappedType() : null;
             // push
             break;
         case Node::OBJECT_FIELD:
             $objectType = Type::getNamedType($this->getInputType());
             $fieldType = null;
             if ($objectType instanceof InputObjectType) {
                 $tmp = $objectType->getFields();
                 $inputField = isset($tmp[$node->name->value]) ? $tmp[$node->name->value] : null;
                 $fieldType = $inputField ? $inputField->getType() : null;
             }
             $this->inputTypeStack[] = $fieldType;
             break;
     }
 }

 /**
  * @it maintains type info during edit
  */
 public function testMaintainsTypeInfoDuringEdit()
 {
     $visited = [];
     $typeInfo = new TypeInfo(TestCase::getDefaultSchema());
     $ast = Parser::parse('{ human(id: 4) { name, pets }, alien }');
     $editedAst = Visitor::visit($ast, Visitor::visitWithTypeInfo($typeInfo, ['enter' => function ($node) use($typeInfo, &$visited) {
         $parentType = $typeInfo->getParentType();
         $type = $typeInfo->getType();
         $inputType = $typeInfo->getInputType();
         $visited[] = ['enter', $node->kind, $node->kind === 'Name' ? $node->value : null, $parentType ? (string) $parentType : null, $type ? (string) $type : null, $inputType ? (string) $inputType : null];
         // Make a query valid by adding missing selection sets.
         if ($node->kind === 'Field' && !$node->selectionSet && Type::isCompositeType(Type::getNamedType($type))) {
             return new FieldNode(['alias' => $node->alias, 'name' => $node->name, 'arguments' => $node->arguments, 'directives' => $node->directives, 'selectionSet' => new SelectionSetNode(['kind' => 'SelectionSet', 'selections' => [new FieldNode(['name' => new NameNode(['value' => '__typename'])])]])]);
         }
     }, 'leave' => function ($node) use($typeInfo, &$visited) {
         $parentType = $typeInfo->getParentType();
         $type = $typeInfo->getType();
         $inputType = $typeInfo->getInputType();
         $visited[] = ['leave', $node->kind, $node->kind === 'Name' ? $node->value : null, $parentType ? (string) $parentType : null, $type ? (string) $type : null, $inputType ? (string) $inputType : null];
     }]));
     $this->assertEquals(Printer::doPrint(Parser::parse('{ human(id: 4) { name, pets }, alien }')), Printer::doPrint($ast));
     $this->assertEquals(Printer::doPrint(Parser::parse('{ human(id: 4) { name, pets { __typename } }, alien { __typename } }')), Printer::doPrint($editedAst));
     $this->assertEquals([['enter', 'Document', null, null, null, null], ['enter', 'OperationDefinition', null, null, 'QueryRoot', null], ['enter', 'SelectionSet', null, 'QueryRoot', 'QueryRoot', null], ['enter', 'Field', null, 'QueryRoot', 'Human', null], ['enter', 'Name', 'human', 'QueryRoot', 'Human', null], ['leave', 'Name', 'human', 'QueryRoot', 'Human', null], ['enter', 'Argument', null, 'QueryRoot', 'Human', 'ID'], ['enter', 'Name', 'id', 'QueryRoot', 'Human', 'ID'], ['leave', 'Name', 'id', 'QueryRoot', 'Human', 'ID'], ['enter', 'IntValue', null, 'QueryRoot', 'Human', 'ID'], ['leave', 'IntValue', null, 'QueryRoot', 'Human', 'ID'], ['leave', 'Argument', null, 'QueryRoot', 'Human', 'ID'], ['enter', 'SelectionSet', null, 'Human', 'Human', null], ['enter', 'Field', null, 'Human', 'String', null], ['enter', 'Name', 'name', 'Human', 'String', null], ['leave', 'Name', 'name', 'Human', 'String', null], ['leave', 'Field', null, 'Human', 'String', null], ['enter', 'Field', null, 'Human', '[Pet]', null], ['enter', 'Name', 'pets', 'Human', '[Pet]', null], ['leave', 'Name', 'pets', 'Human', '[Pet]', null], ['enter', 'SelectionSet', null, 'Pet', '[Pet]', null], ['enter', 'Field', null, 'Pet', 'String!', null], ['enter', 'Name', '__typename', 'Pet', 'String!', null], ['leave', 'Name', '__typename', 'Pet', 'String!', null], ['leave', 'Field', null, 'Pet', 'String!', null], ['leave', 'SelectionSet', null, 'Pet', '[Pet]', null], ['leave', 'Field', null, 'Human', '[Pet]', null], ['leave', 'SelectionSet', null, 'Human', 'Human', null], ['leave', 'Field', null, 'QueryRoot', 'Human', null], ['enter', 'Field', null, 'QueryRoot', 'Alien', null], ['enter', 'Name', 'alien', 'QueryRoot', 'Alien', null], ['leave', 'Name', 'alien', 'QueryRoot', 'Alien', null], ['enter', 'SelectionSet', null, 'Alien', 'Alien', null], ['enter', 'Field', null, 'Alien', 'String!', null], ['enter', 'Name', '__typename', 'Alien', 'String!', null], ['leave', 'Name', '__typename', 'Alien', 'String!', null], ['leave', 'Field', null, 'Alien', 'String!', null], ['leave', 'SelectionSet', null, 'Alien', 'Alien', null], ['leave', 'Field', null, 'QueryRoot', 'Alien', null], ['leave', 'SelectionSet', null, 'QueryRoot', 'QueryRoot', null], ['leave', 'OperationDefinition', null, null, 'QueryRoot', null], ['leave', 'Document', null, null, null, null]], $visited);
 }

 function enter(Node $node)
 {
     $schema = $this->_schema;
     switch ($node->kind) {
         case Node::SELECTION_SET:
             // var $compositeType: ?GraphQLCompositeType;
             $rawType = Type::getUnmodifiedType($this->getType());
             $compositeType = null;
             if (Type::isCompositeType($rawType)) {
                 // isCompositeType is a type refining predicate, so this is safe.
                 $compositeType = $rawType;
             }
             array_push($this->_parentTypeStack, $compositeType);
             break;
         case Node::FIELD:
             $parentType = $this->getParentType();
             $fieldDef = null;
             if ($parentType) {
                 $fieldDef = self::_getFieldDef($schema, $parentType, $node);
             }
             array_push($this->_fieldDefStack, $fieldDef);
             array_push($this->_typeStack, $fieldDef ? $fieldDef->getType() : null);
             break;
         case Node::OPERATION_DEFINITION:
             $type = null;
             if ($node->operation === 'query') {
                 $type = $schema->getQueryType();
             } else {
                 if ($node->operation === 'mutation') {
                     $type = $schema->getMutationType();
                 }
             }
             array_push($this->_typeStack, $type);
             break;
         case Node::INLINE_FRAGMENT:
         case Node::FRAGMENT_DEFINITION:
             $type = $schema->getType($node->typeCondition->value);
             array_push($this->_typeStack, $type);
             break;
         case Node::VARIABLE_DEFINITION:
             array_push($this->_inputTypeStack, self::typeFromAST($schema, $node->type));
             break;
         case Node::ARGUMENT:
             $field = $this->getFieldDef();
             $argType = null;
             if ($field) {
                 $argDef = Utils::find($field->args, function ($arg) use($node) {
                     return $arg->name === $node->name->value;
                 });
                 if ($argDef) {
                     $argType = $argDef->getType();
                 }
             }
             array_push($this->_inputTypeStack, $argType);
             break;
         case Node::DIRECTIVE:
             $directive = $schema->getDirective($node->name->value);
             array_push($this->_inputTypeStack, $directive ? $directive->type : null);
             break;
         case Node::ARR:
             $arrayType = Type::getNullableType($this->getInputType());
             array_push($this->_inputTypeStack, $arrayType instanceof ListOfType ? $arrayType->getWrappedType() : null);
             break;
         case Node::OBJECT_FIELD:
             $objectType = Type::getUnmodifiedType($this->getInputType());
             $fieldType = null;
             if ($objectType instanceof InputObjectType) {
                 $tmp = $objectType->getFields();
                 $inputField = isset($tmp[$node->name->value]) ? $tmp[$node->name->value] : null;
                 $fieldType = $inputField ? $inputField->getType() : null;
             }
             array_push($this->_inputTypeStack, $fieldType);
             break;
     }
 }