Package de.quantummaid.eventmaid.messageBus.internal.exception

Class ErrorListenerDelegatingMessageBusExceptionHandler

java.lang.Object

de.quantummaid.eventmaid.messageBus.internal.exception.ErrorListenerDelegatingMessageBusExceptionHandler

All Implemented Interfaces:

MessageBusExceptionHandler

public final class ErrorListenerDelegatingMessageBusExceptionHandler
extends Object
implements MessageBusExceptionHandler

Constructor Summary

Constructors

Constructor	Description
ErrorListenerDelegatingMessageBusExceptionHandler()

Method Summary

Modifier and Type	Method	Description
static ErrorListenerDelegatingMessageBusExceptionHandler	errorListenerDelegatingMessageBusExceptionHandler(MessageBusExceptionHandler delegate, ExceptionListenerHandler exceptionListenerHandler)
void	handleDeliveryChannelException(ProcessingContext<Object> message, Exception e, Channel<Object> channel)	For each Exception thrown inside a Subscriber, for which MessageBusExceptionHandler.shouldDeliveryChannelErrorBeHandledAndDeliveryAborted returned true, this method is invoked.
void	handleFilterException(ProcessingContext<Object> message, Exception e, Channel<Object> channel)	When a Exception inside a Filter is thrown, this method is invoked.
boolean	shouldDeliveryChannelErrorBeHandledAndDeliveryAborted(ProcessingContext<Object> message, Exception e, Channel<Object> channel)	In some cases, an Exception during the delivery to a Subscriber should be ignored, so that the delivery is not stopped.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface de.quantummaid.eventmaid.messageBus.exception.MessageBusExceptionHandler

callTemporaryExceptionListener

Constructor Detail

ErrorListenerDelegatingMessageBusExceptionHandler

public ErrorListenerDelegatingMessageBusExceptionHandler()

Method Detail

errorListenerDelegatingMessageBusExceptionHandler

public static ErrorListenerDelegatingMessageBusExceptionHandler errorListenerDelegatingMessageBusExceptionHandler(MessageBusExceptionHandler delegate,
                                                                                                                  ExceptionListenerHandler exceptionListenerHandler)

shouldDeliveryChannelErrorBeHandledAndDeliveryAborted

public boolean shouldDeliveryChannelErrorBeHandledAndDeliveryAborted(ProcessingContext<Object> message,
                                                                     Exception e,
                                                                     Channel<Object> channel)

Description copied from interface: MessageBusExceptionHandler

In some cases, an Exception during the delivery to a Subscriber should be ignored, so that the delivery is not stopped. Therefore for each exception during the delivery this method is invoked. If true is returned, the delivery stopped, the MessageBusExceptionHandler.handleDeliveryChannelException method is invoked and the message is marked as failed in ChannelStatistics. If false is returned, the exception is ignored and the delivery continues.

Specified by:

shouldDeliveryChannelErrorBeHandledAndDeliveryAborted in interface MessageBusExceptionHandler

Parameters:

message - the message for which the Exception was thrown

e - the raised Exception

channel - the EventType specific channel, in which the message was delivered

Returns:

true if the exception should be handled, false otherwise

handleDeliveryChannelException

public void handleDeliveryChannelException(ProcessingContext<Object> message,
                                           Exception e,
                                           Channel<Object> channel)

Description copied from interface: MessageBusExceptionHandler

For each Exception thrown inside a Subscriber, for which MessageBusExceptionHandler.shouldDeliveryChannelErrorBeHandledAndDeliveryAborted returned true, this method is invoked.

Specified by:

handleDeliveryChannelException in interface MessageBusExceptionHandler

Parameters:

message - the message, which caused the Exception

e - the raised Exception

channel - the delivery Channel

handleFilterException

public void handleFilterException(ProcessingContext<Object> message,
                                  Exception e,
                                  Channel<Object> channel)

Description copied from interface: MessageBusExceptionHandler

When a Exception inside a Filter is thrown, this method is invoked.

Specified by:

handleFilterException in interface MessageBusExceptionHandler

Parameters:

message - the message that caused the Exception

e - the raised Exception

channel - the accepting Channel