/*
* Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com
* The software in this package is published under the terms of the CPAL v1.0
* license, a copy of which has been included with this distribution in the
* LICENSE.txt file.
*/
package org.mule.runtime.core.api.exception;
import static reactor.core.publisher.Flux.error;
import static reactor.core.publisher.Mono.just;
import org.mule.runtime.core.api.Event;
import org.mule.runtime.core.exception.MessagingException;
import java.util.function.Function;
import org.reactivestreams.Publisher;
/**
* Take some action when a messaging exception has occurred (i.e., there was a message in play when the exception occurred).
*/
public interface MessagingExceptionHandler extends ExceptionHandler, Function<MessagingException, Publisher<Event>> {
/**
* Take some action when a messaging exception has occurred (i.e., there was a message in play when the exception occurred).
*
* @param exception which occurred
* @param event which was being processed when the exception occurred
* @return new event to route on to the rest of the flow, generally with ExceptionPayload set on the message
*/
Event handleException(MessagingException exception, Event event);
@Override
default Publisher<Event> apply(MessagingException exception) {
exception.setProcessedEvent(handleException(exception, exception.getEvent()));
if (exception.handled()) {
return just(exception.getEvent());
} else {
return error(exception);
}
}
}