graphql.introspection

Class Introspection

java.lang.Object

graphql.introspection.Introspection

@PublicApi
public class Introspection
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Introspection.DirectiveLocation
static class	Introspection.TypeKind

Field Summary

Fields

Modifier and Type	Field and Description
static GraphQLObjectType	__Directive
static GraphQLEnumType	__DirectiveLocation
static GraphQLObjectType	__EnumValue
static GraphQLObjectType	__Field
static GraphQLObjectType	__InputValue
static GraphQLObjectType	__Schema
static GraphQLObjectType	__Type
static GraphQLEnumType	__TypeKind
static GraphQLFieldDefinition	SchemaMetaFieldDef
static DataFetcher<java.lang.Object>	SchemaMetaFieldDefDataFetcher
static GraphQLFieldDefinition	TypeMetaFieldDef
static DataFetcher<java.lang.Object>	TypeMetaFieldDefDataFetcher
static GraphQLFieldDefinition	TypeNameMetaFieldDef
static DataFetcher<java.lang.Object>	TypeNameMetaFieldDefDataFetcher

Constructor Summary

Constructors

Constructor and Description
Introspection()

Method Summary

Modifier and Type	Method and Description
static void	addCodeForIntrospectionTypes(GraphQLCodeRegistry.Builder codeRegistry)
static GraphQLFieldDefinition	getFieldDef(GraphQLSchema schema, GraphQLCompositeType parentType, java.lang.String fieldName) This will look up a field definition by name, and understand that fields like __typename and __schema are special and take precedence in field resolution

Methods inherited from class java.lang.Object

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

Field Detail

__TypeKind

public static final GraphQLEnumType __TypeKind

__InputValue

public static final GraphQLObjectType __InputValue

__Field

public static final GraphQLObjectType __Field

__EnumValue

public static final GraphQLObjectType __EnumValue

__Type

public static final GraphQLObjectType __Type

__DirectiveLocation

public static final GraphQLEnumType __DirectiveLocation

__Directive

public static final GraphQLObjectType __Directive

__Schema

public static final GraphQLObjectType __Schema

SchemaMetaFieldDefDataFetcher

public static final DataFetcher<java.lang.Object> SchemaMetaFieldDefDataFetcher

SchemaMetaFieldDef

public static final GraphQLFieldDefinition SchemaMetaFieldDef

TypeMetaFieldDefDataFetcher

public static final DataFetcher<java.lang.Object> TypeMetaFieldDefDataFetcher

TypeMetaFieldDef

public static final GraphQLFieldDefinition TypeMetaFieldDef

TypeNameMetaFieldDefDataFetcher

public static final DataFetcher<java.lang.Object> TypeNameMetaFieldDefDataFetcher

TypeNameMetaFieldDef

public static final GraphQLFieldDefinition TypeNameMetaFieldDef

Constructor Detail

Introspection

public Introspection()

Method Detail

addCodeForIntrospectionTypes

public static void addCodeForIntrospectionTypes(GraphQLCodeRegistry.Builder codeRegistry)

getFieldDef

public static GraphQLFieldDefinition getFieldDef(GraphQLSchema schema,
                                                 GraphQLCompositeType parentType,
                                                 java.lang.String fieldName)

This will look up a field definition by name, and understand that fields like __typename and __schema are special and take precedence in field resolution

Parameters:

schema - the schema to use

parentType - the type of the parent object

fieldName - the field to look up

Returns:

a field definition otherwise throws an assertion exception if its null