Package graphql.schema

Class GraphQLInterfaceType

java.lang.Object

graphql.schema.GraphQLInterfaceType

All Implemented Interfaces:

GraphQLCompositeType, GraphQLDirectiveContainer, GraphQLFieldsContainer, GraphQLImplementingType, GraphQLNamedOutputType, GraphQLNamedSchemaElement, GraphQLNamedType, GraphQLNullableType, GraphQLOutputType, GraphQLSchemaElement, GraphQLType, GraphQLUnmodifiedType

@PublicApi
public class GraphQLInterfaceType
extends Object
implements GraphQLNamedType, GraphQLCompositeType, GraphQLUnmodifiedType, GraphQLNullableType, GraphQLDirectiveContainer, GraphQLImplementingType

In graphql, an interface is an abstract type that defines the set of fields that a type must include to implement that interface.

At runtime a TypeResolver is used to take an interface object value and decide what GraphQLObjectType represents this interface type.

See https://graphql.org/learn/schema/#interfaces for more details on the concept.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	GraphQLInterfaceType.Builder

Field Summary

Fields

Modifier and Type	Field	Description
static final String	CHILD_FIELD_DEFINITIONS
static final String	CHILD_INTERFACES

Fields inherited from interface graphql.schema.GraphQLDirectiveContainer

CHILD_APPLIED_DIRECTIVES, CHILD_DIRECTIVES

Method Summary

Modifier and Type	Method	Description
TraversalControl	accept(TraverserContext<GraphQLSchemaElement> context, GraphQLTypeVisitor visitor)
GraphQLSchemaElement	copy()	Each GraphQLSchemaElement should make a copy of itself when this is called.
final boolean	equals(Object o)	No GraphQLSchemaElement implements `equals` because we need object identity to treat a GraphQLSchema as an abstract graph.
Map<String,List<GraphQLAppliedDirective>>	getAllAppliedDirectivesByName()	This will return a Map of the all directives that are associated with a GraphQLNamedSchemaElement, including both repeatable and non-repeatable directives.
Map<String,List<GraphQLDirective>>	getAllDirectivesByName()	This will return a Map of the all directives that are associated with a GraphQLNamedSchemaElement, including both repeatable and non repeatable directives.
GraphQLAppliedDirective	getAppliedDirective(String directiveName)	Returns a non-repeatable directive with the provided name.
List<GraphQLAppliedDirective>	getAppliedDirectives()	This will return a list of all the directives that have been put on GraphQLNamedSchemaElement as a flat list, which may contain repeatable and non-repeatable directives.
List<GraphQLSchemaElement>	getChildren()
SchemaElementChildrenContainer	getChildrenWithTypeReferences()
InterfaceTypeDefinition	getDefinition()	The AST Node this schema element is based on.
String	getDescription()
GraphQLDirective	getDirective(String directiveName)	Returns a non-repeatable directive with the provided name.
List<GraphQLDirective>	getDirectives()	This will return a list of all the directives that have been put on GraphQLNamedSchemaElement as a flat list, which may contain repeatable and non-repeatable directives.
Map<String,GraphQLDirective>	getDirectivesByName()	This will return a Map of the non repeatable directives that are associated with a GraphQLNamedSchemaElement.
List<InterfaceTypeExtensionDefinition>	getExtensionDefinitions()
GraphQLFieldDefinition	getFieldDefinition(String name)
List<GraphQLFieldDefinition>	getFieldDefinitions()
List<GraphQLNamedOutputType>	getInterfaces()
String	getName()
final int	hashCode()	No GraphQLSchemaElement implements `equals/hashCode` because we need object identity to treat a GraphQLSchema as an abstract graph.
static GraphQLInterfaceType.Builder	newInterface()
static GraphQLInterfaceType.Builder	newInterface(GraphQLInterfaceType existing)
String	toString()
GraphQLInterfaceType	transform(Consumer<GraphQLInterfaceType.Builder> builderConsumer)	This helps you transform the current GraphQLInterfaceType into another one by starting a builder with all the current values and allows you to transform it how you want.
GraphQLInterfaceType	withNewChildren(SchemaElementChildrenContainer newChildren)

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface graphql.schema.GraphQLDirectiveContainer

getAppliedDirectives, getDirectives, hasAppliedDirective, hasDirective

Methods inherited from interface graphql.schema.GraphQLFieldsContainer

getField, getFields

Field Details

CHILD_FIELD_DEFINITIONS

public static final String CHILD_FIELD_DEFINITIONS

See Also:

• Constant Field Values

CHILD_INTERFACES

public static final String CHILD_INTERFACES

See Also:

• Constant Field Values

Method Details

getFieldDefinition

public GraphQLFieldDefinition getFieldDefinition(String name)

Specified by:

getFieldDefinition in interface GraphQLFieldsContainer

getFieldDefinitions

public List<GraphQLFieldDefinition> getFieldDefinitions()

Specified by:

getFieldDefinitions in interface GraphQLFieldsContainer

getName

public String getName()

Specified by:

getName in interface GraphQLNamedSchemaElement

Returns:

the name of this element. This cant be null

getDescription

public String getDescription()

Specified by:

getDescription in interface GraphQLNamedSchemaElement

Returns:

the description of this element. This can be null

getDefinition

public InterfaceTypeDefinition getDefinition()

Description copied from interface: GraphQLNamedSchemaElement

The AST Node this schema element is based on. Is null if the GraphQLSchema is not based on a SDL document. Some elements also have additional extension Nodes. See for example GraphQLObjectType.getExtensionDefinitions()

Specified by:

getDefinition in interface GraphQLNamedSchemaElement

Returns:

Node which this element is based on. Can be null.

getExtensionDefinitions

public List<InterfaceTypeExtensionDefinition> getExtensionDefinitions()

getDirectives

public List<GraphQLDirective> getDirectives()

Description copied from interface: GraphQLDirectiveContainer

This will return a list of all the directives that have been put on GraphQLNamedSchemaElement as a flat list, which may contain repeatable and non-repeatable directives.

Specified by:

getDirectives in interface GraphQLDirectiveContainer

Returns:

a list of all the directives associated with this named schema element

getDirectivesByName

public Map<String,GraphQLDirective> getDirectivesByName()

Description copied from interface: GraphQLDirectiveContainer

This will return a Map of the non repeatable directives that are associated with a GraphQLNamedSchemaElement. Any repeatable directives will be filtered out of this map.

Specified by:

getDirectivesByName in interface GraphQLDirectiveContainer

Returns:

a map of non repeatable directives by directive name.

getAllDirectivesByName

public Map<String,List<GraphQLDirective>> getAllDirectivesByName()

Description copied from interface: GraphQLDirectiveContainer

This will return a Map of the all directives that are associated with a GraphQLNamedSchemaElement, including both repeatable and non repeatable directives.

Specified by:

getAllDirectivesByName in interface GraphQLDirectiveContainer

Returns:

a map of all directives by directive name

getDirective

public GraphQLDirective getDirective(String directiveName)

Description copied from interface: GraphQLDirectiveContainer

Returns a non-repeatable directive with the provided name. This will throw a AssertException if the directive is a repeatable directive that has more then one instance.

Specified by:

getDirective in interface GraphQLDirectiveContainer

Parameters:

directiveName - the name of the directive to retrieve

Returns:

the directive or null if there is not one with that name

getAppliedDirectives

public List<GraphQLAppliedDirective> getAppliedDirectives()

Description copied from interface: GraphQLDirectiveContainer

This will return a list of all the directives that have been put on GraphQLNamedSchemaElement as a flat list, which may contain repeatable and non-repeatable directives.

Specified by:

getAppliedDirectives in interface GraphQLDirectiveContainer

Returns:

a list of all the directives associated with this named schema element

getAllAppliedDirectivesByName

public Map<String,List<GraphQLAppliedDirective>> getAllAppliedDirectivesByName()

Description copied from interface: GraphQLDirectiveContainer

This will return a Map of the all directives that are associated with a GraphQLNamedSchemaElement, including both repeatable and non-repeatable directives.

Specified by:

getAllAppliedDirectivesByName in interface GraphQLDirectiveContainer

Returns:

a map of all directives by directive name

getAppliedDirective

public GraphQLAppliedDirective getAppliedDirective(String directiveName)

Description copied from interface: GraphQLDirectiveContainer

Returns a non-repeatable directive with the provided name.

Specified by:

getAppliedDirective in interface GraphQLDirectiveContainer

Parameters:

directiveName - the name of the directive to retrieve

Returns:

the directive or null if there is not one with that name

toString

public String toString()

Overrides:

toString in class Object

transform

public GraphQLInterfaceType transform(Consumer<GraphQLInterfaceType.Builder> builderConsumer)

This helps you transform the current GraphQLInterfaceType into another one by starting a builder with all the current values and allows you to transform it how you want.

Parameters:

builderConsumer - the consumer code that will be given a builder to transform

Returns:

a new object based on calling build on that builder

copy

public GraphQLSchemaElement copy()

Description copied from interface: GraphQLSchemaElement

Each GraphQLSchemaElement should make a copy of itself when this is called. The copy should be included its current contents as they currently exist into a new object.

Specified by:

copy in interface GraphQLSchemaElement

Returns:

a copy of this element

accept

public TraversalControl accept(TraverserContext<GraphQLSchemaElement> context,
 GraphQLTypeVisitor visitor)

Specified by:

accept in interface GraphQLSchemaElement

getChildren

public List<GraphQLSchemaElement> getChildren()

Specified by:

getChildren in interface GraphQLSchemaElement

getChildrenWithTypeReferences

public SchemaElementChildrenContainer getChildrenWithTypeReferences()

Specified by:

getChildrenWithTypeReferences in interface GraphQLSchemaElement

withNewChildren

public GraphQLInterfaceType withNewChildren(SchemaElementChildrenContainer newChildren)

Specified by:

withNewChildren in interface GraphQLSchemaElement

getInterfaces

public List<GraphQLNamedOutputType> getInterfaces()

Specified by:

getInterfaces in interface GraphQLImplementingType

Returns:

This returns GraphQLInterface or GraphQLTypeReference instances, if the type references are not resolved yet. After they are resolved it contains only GraphQLInterface. Reference resolving happens when a full schema is built.

equals

public final boolean equals(Object o)

No GraphQLSchemaElement implements `equals` because we need object identity to treat a GraphQLSchema as an abstract graph.

Specified by:

equals in interface GraphQLSchemaElement

Overrides:

equals in class Object

Parameters:

o - the reference object with which to compare.

Returns:

true if this object is the same as the obj argument; false otherwise.

hashCode

public final int hashCode()

No GraphQLSchemaElement implements `equals/hashCode` because we need object identity to treat a GraphQLSchema as an abstract graph.

Specified by:

hashCode in interface GraphQLSchemaElement

Overrides:

hashCode in class Object

Returns:

a hash code value for this object.

newInterface

public static GraphQLInterfaceType.Builder newInterface()

newInterface

public static GraphQLInterfaceType.Builder newInterface(GraphQLInterfaceType existing)