public abstract class AbstractAsyncReturnValueHandler extends java.lang.Object implements AsyncHandlerMethodReturnValueHandler
AsyncHandlerMethodReturnValueHandler
implementations that support only asynchronous (Future-like) return values
and merely serve as adapters of such types to Spring's
ListenableFuture.| Constructor and Description |
|---|
AbstractAsyncReturnValueHandler() |
| Modifier and Type | Method and Description |
|---|---|
void |
handleReturnValue(java.lang.Object returnValue,
MethodParameter returnType,
Message<?> message)
Handle the given return value.
|
boolean |
isAsyncReturnValue(java.lang.Object returnValue,
MethodParameter returnType)
Whether the return value represents an asynchronous, Future-like type
with success and error callbacks.
|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, waittoListenableFuturesupportsReturnTypepublic boolean isAsyncReturnValue(java.lang.Object returnValue,
MethodParameter returnType)
AsyncHandlerMethodReturnValueHandlertrue,
then AsyncHandlerMethodReturnValueHandler.toListenableFuture(java.lang.Object, org.springframework.core.MethodParameter) is invoked next. If it returns
false, then HandlerMethodReturnValueHandler.handleReturnValue(java.lang.Object, org.springframework.core.MethodParameter, org.springframework.messaging.Message<?>) is called.
Note: this method will only be invoked after
HandlerMethodReturnValueHandler.supportsReturnType(org.springframework.core.MethodParameter)
is called and it returns true.
isAsyncReturnValue in interface AsyncHandlerMethodReturnValueHandlerreturnValue - the value returned from the handler methodreturnType - the type of the return value.public void handleReturnValue(@Nullable java.lang.Object returnValue, MethodParameter returnType, Message<?> message)
HandlerMethodReturnValueHandlerhandleReturnValue in interface HandlerMethodReturnValueHandlerreturnValue - the value returned from the handler methodreturnType - the type of the return value. This type must have previously
been passed to HandlerMethodReturnValueHandler.supportsReturnType(org.springframework.core.MethodParameter)
and it must have returned true.message - the message that caused this method to be called