io.micronaut.core.type

Interface ReturnType<T>

Type Parameters:

T - The concrete type

All Superinterfaces:

AnnotationMetadataProvider, AnnotationSource, ArgumentCoercible<T>, Type, TypeInformation<T>, TypeVariableResolver

public interface ReturnType<T>
extends TypeInformation<T>, AnnotationMetadataProvider, ArgumentCoercible<T>

Models a return type of an Executable method in Micronaut.

Since:

1.0

Author:

Graeme Rocher

Field Summary

Fields inherited from interface io.micronaut.core.annotation.AnnotationSource

EMPTY

Method Summary

Modifier and Type	Method and Description
default Argument<T>	asArgument()
default boolean	isSingleResult()
default boolean	isSuspended()
static <T1> ReturnType<T1>	of(Class<T1> type, Argument<?>... typeArguments) Create a new return type from the given type and arguments.

Methods inherited from interface io.micronaut.core.type.TypeInformation

asParameterizedType, asType, getSimpleName, getType, getTypeName, getTypeString, getWrappedType, getWrapperType, hasTypeVariables, isArray, isAsync, isAsyncOrReactive, isCompletable, isContainerType, isOptional, isPrimitive, isProvider, isReactive, isSpecifiedSingle, isVoid, isWrapperType

Methods inherited from interface io.micronaut.core.type.TypeVariableResolver

getFirstTypeVariable, getTypeParameters, getTypeVariable, getTypeVariables

Methods inherited from interface io.micronaut.core.annotation.AnnotationMetadataProvider

findAnnotation, findAnnotation, findDeclaredAnnotation, findDeclaredAnnotation, getAnnotationMetadata, isAnnotationPresent, isDeclaredAnnotationPresent, synthesize, synthesizeAll, synthesizeAnnotationsByType, synthesizeDeclared, synthesizeDeclared, synthesizeDeclaredAnnotationsByType

Methods inherited from interface io.micronaut.core.annotation.AnnotationSource

getAnnotation, getAnnotation, getDeclaredAnnotation, getDeclaredAnnotation, isAnnotationPresent, isDeclaredAnnotationPresent, synthesize, synthesizeDeclared

Method Detail

asArgument

@NonNull
default Argument<T> asArgument()

Specified by:

asArgument in interface ArgumentCoercible<T>

Returns:

The return type as an argument

isSuspended

default boolean isSuspended()

Returns:

Is the return type suspended function (Kotlin).

Since:

2.0.0

isSingleResult

default boolean isSingleResult()

Returns:

Is the return type a single result or multiple results

Since:

2.0

of

static <T1> ReturnType<T1> of(Class<T1> type,
                              Argument<?>... typeArguments)

Create a new return type from the given type and arguments.

Type Parameters:

T1 - The return type

Parameters:

type - The type

typeArguments - The type arguments

Returns:

A ReturnType