graphql.schema.validation

Class TypeAndFieldRule

java.lang.Object

graphql.schema.GraphQLTypeVisitorStub

graphql.schema.validation.TypeAndFieldRule

All Implemented Interfaces:

GraphQLTypeVisitor

public class TypeAndFieldRule
extends GraphQLTypeVisitorStub

The validation about GraphQLObjectType, GraphQLInterfaceType, GraphQLUnionType, GraphQLEnumType, GraphQLInputObjectType, GraphQLScalarType.

• Types must define one or more fields;
• Enum type must define one or more enum values;
• Union type must include one or more unique member types;
• The member types of a Union type must all be Object base types;
• Non‐Null type must not wrap another Non‐Null type;
• Invalid name begin with "__" (two underscores).

details in https://spec.graphql.org/June2018/#sec-Type-System

Constructor Summary

Constructors

Constructor and Description
TypeAndFieldRule()

Method Summary

Modifier and Type	Method and Description
TraversalControl	visitGraphQLEnumType(GraphQLEnumType type, TraverserContext<GraphQLSchemaElement> context)
TraversalControl	visitGraphQLInputObjectType(GraphQLInputObjectType type, TraverserContext<GraphQLSchemaElement> context)
TraversalControl	visitGraphQLInterfaceType(GraphQLInterfaceType type, TraverserContext<GraphQLSchemaElement> context)
TraversalControl	visitGraphQLObjectType(GraphQLObjectType type, TraverserContext<GraphQLSchemaElement> context)
TraversalControl	visitGraphQLUnionType(GraphQLUnionType type, TraverserContext<GraphQLSchemaElement> context)

Methods inherited from class graphql.schema.GraphQLTypeVisitorStub

visitGraphQLAppliedDirective, visitGraphQLAppliedDirectiveArgument, visitGraphQLArgument, visitGraphQLDirective, visitGraphQLEnumValueDefinition, visitGraphQLFieldDefinition, visitGraphQLInputObjectField, visitGraphQLList, visitGraphQLNonNull, visitGraphQLScalarType, visitGraphQLType, visitGraphQLTypeReference

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface graphql.schema.GraphQLTypeVisitor

changeNode, deleteNode, insertAfter, insertBefore, visitBackRef, visitGraphQLCompositeType, visitGraphQLDirectiveContainer, visitGraphQLFieldsContainer, visitGraphQLInputFieldsContainer, visitGraphQLInputType, visitGraphQLModifiedType, visitGraphQLNullableType, visitGraphQLOutputType, visitGraphQLUnmodifiedType

Constructor Detail

TypeAndFieldRule

public TypeAndFieldRule()

Method Detail

visitGraphQLInterfaceType

public TraversalControl visitGraphQLInterfaceType(GraphQLInterfaceType type,
                                                  TraverserContext<GraphQLSchemaElement> context)

Specified by:

visitGraphQLInterfaceType in interface GraphQLTypeVisitor

Overrides:

visitGraphQLInterfaceType in class GraphQLTypeVisitorStub

visitGraphQLObjectType

public TraversalControl visitGraphQLObjectType(GraphQLObjectType type,
                                               TraverserContext<GraphQLSchemaElement> context)

Specified by:

visitGraphQLObjectType in interface GraphQLTypeVisitor

Overrides:

visitGraphQLObjectType in class GraphQLTypeVisitorStub

visitGraphQLUnionType

public TraversalControl visitGraphQLUnionType(GraphQLUnionType type,
                                              TraverserContext<GraphQLSchemaElement> context)

Specified by:

visitGraphQLUnionType in interface GraphQLTypeVisitor

Overrides:

visitGraphQLUnionType in class GraphQLTypeVisitorStub

visitGraphQLEnumType

public TraversalControl visitGraphQLEnumType(GraphQLEnumType type,
                                             TraverserContext<GraphQLSchemaElement> context)

Specified by:

visitGraphQLEnumType in interface GraphQLTypeVisitor

Overrides:

visitGraphQLEnumType in class GraphQLTypeVisitorStub

visitGraphQLInputObjectType

public TraversalControl visitGraphQLInputObjectType(GraphQLInputObjectType type,
                                                    TraverserContext<GraphQLSchemaElement> context)

Specified by:

visitGraphQLInputObjectType in interface GraphQLTypeVisitor

Overrides:

visitGraphQLInputObjectType in class GraphQLTypeVisitorStub