Top Description Fields Constructors Methods
org.springframework.messaging.handler.invocation.reactive

public Class HandlerMethodReturnValueHandlerComposite

extends Object
implements HandlerMethodReturnValueHandler
Class Inheritance
All Implemented Interfaces
org.springframework.messaging.handler.invocation.reactive.HandlerMethodReturnValueHandler
Imports
java.util.ArrayList, .Collections, .List, org.apache.commons.logging.Log, .LogFactory, reactor.core.publisher.Mono, org.springframework.core.MethodParameter, org.springframework.lang.Nullable, org.springframework.messaging.Message
A HandlerMethodReturnValueHandler that wraps and delegates to others.
Author
Rossen Stoyanchev
Since
5.2

Field Summary

Modifier and TypeField and Description
protected final Log
logger

private final List<HandlerMethodReturnValueHandler>
returnValueHandlers

Constructor Summary

AccessConstructor and Description
public
HandlerMethodReturnValueHandlerComposite()

Method Summary

Modifier and TypeMethod and Description
public HandlerMethodReturnValueHandlerComposite
addHandler(HandlerMethodReturnValueHandler returnValueHandler)

Add the given HandlerMethodReturnValueHandler.

public HandlerMethodReturnValueHandlerComposite
addHandlers(List<? extends HandlerMethodReturnValueHandler> handlers)

Add the given HandlerMethodReturnValueHandlers.

public void
clear()

Clear the list of configured handlers.

private HandlerMethodReturnValueHandler
getReturnValueHandler(MethodParameter returnType)

public List<HandlerMethodReturnValueHandler>
getReturnValueHandlers()

Return a read-only list with the configured handlers.

public Mono<Void>
handleReturnValue(Object
the value returned from the handler method
returnValue, MethodParameter
the type of the return value. This type must have previously been passed to supportsReturnType(MethodParameter) and it must have returned true.
returnType, Message<?> message)

Implements org.springframework.messaging.handler.invocation.reactive.HandlerMethodReturnValueHandler.handleReturnValue.

Handle the given return value.
public boolean
supportsReturnType(MethodParameter
the method return type to check
returnType)

Implements org.springframework.messaging.handler.invocation.reactive.HandlerMethodReturnValueHandler.supportsReturnType.

Whether the given method return type is supported by this handler.
Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

loggerback to summary
protected final Log logger
returnValueHandlersback to summary
private final List<HandlerMethodReturnValueHandler> returnValueHandlers

Constructor Detail

HandlerMethodReturnValueHandlerCompositeback to summary
public HandlerMethodReturnValueHandlerComposite()

Method Detail

addHandlerback to summary
public HandlerMethodReturnValueHandlerComposite addHandler(HandlerMethodReturnValueHandler returnValueHandler)

Add the given HandlerMethodReturnValueHandler.

addHandlersback to summary
public HandlerMethodReturnValueHandlerComposite addHandlers(List<? extends HandlerMethodReturnValueHandler> handlers)

Add the given HandlerMethodReturnValueHandlers.

clearback to summary
public void clear()

Clear the list of configured handlers.

getReturnValueHandlerback to summary
private HandlerMethodReturnValueHandler getReturnValueHandler(MethodParameter returnType)
Annotations
@SuppressWarnings:ForLoopReplaceableByForEach
@Nullable
getReturnValueHandlersback to summary
public List<HandlerMethodReturnValueHandler> getReturnValueHandlers()

Return a read-only list with the configured handlers.

handleReturnValueback to summary
public Mono<Void> handleReturnValue(Object returnValue, MethodParameter returnType, Message<?> message)

Implements org.springframework.messaging.handler.invocation.reactive.HandlerMethodReturnValueHandler.handleReturnValue.

Doc from org.springframework.messaging.handler.invocation.reactive.HandlerMethodReturnValueHandler.handleReturnValue.

Handle the given return value.

Parameters
returnValue:Object

the value returned from the handler method

returnType:MethodParameter

the type of the return value. This type must have previously been passed to supportsReturnType(MethodParameter) and it must have returned true.

Returns:Mono<Void>

Mono<Void> to indicate when handling is complete.

Annotations
@Override
supportsReturnTypeback to summary
public boolean supportsReturnType(MethodParameter returnType)

Implements org.springframework.messaging.handler.invocation.reactive.HandlerMethodReturnValueHandler.supportsReturnType.

Doc from org.springframework.messaging.handler.invocation.reactive.HandlerMethodReturnValueHandler.supportsReturnType.

Whether the given method return type is supported by this handler.

Parameters
returnType:MethodParameter

the method return type to check

Returns:boolean

true if this handler supports the supplied return type; false otherwise

Annotations
@Override