Package org.axonframework.messaging.core

Interface MessageHandlingExceptionHandler<M extends Message>

Type Parameters:

M - the type of message being handled

All Known Subinterfaces:

CommandHandlingExceptionHandler, EventHandlingExceptionHandler, QueryHandlingExceptionHandler

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface MessageHandlingExceptionHandler<M extends Message>

Handles exceptions thrown by a message handler.

Return MessageStream.empty() to suppress the exception. Return MessageStream.failed(Throwable) (with the same or a different exception) to let the error propagate to the message processor.

Since:

5.2.0

Author:

Allard Buijze

Method Summary

Modifier and Type	Method	Description
MessageStream<? extends Message>	handle(M message, ProcessingContext context, Throwable error)	Called when a message handler throws an exception.

Method Details

handle

MessageStream<? extends Message> handle(M message,
 ProcessingContext context,
 Throwable error)

Called when a message handler throws an exception.

Parameters:

message - the message being handled when the exception occurred

context - the active processing context

error - the exception thrown by the message handler

Returns:

MessageStream.empty() to suppress the error, or MessageStream.failed(Throwable) to propagate it