Package org.axonframework.messaging.core.interception.annotation

Annotation Interface ExceptionHandler

@Retention(RUNTIME) @Target({METHOD,ANNOTATION_TYPE}) public @interface ExceptionHandler
Annotation marking a Handler as an interceptor for other handlers that is only interested in handling exception results. This handler method will be invoked after a regular handler has been executed and may receive the result of that handler as a parameter.

A handler will only be invoked when the parameters of this method match the combination of the handled Message and the result of the handler method invocation.

Since:
4.4.0
Author:
Allard Buijze

  • Optional Element Summary

    Optional Elements
    Modifier and Type
    Optional Element
    Description
    Class<? extends Message>
    messageType
    Specifies the type of message that can be handled by the member method.
    Class<?>
    payloadType
    Specifies the type of message payload that can be handled by the member method.
    Class<? extends Exception>
    resultType
    Defines the type of result this handler needs to be triggered for.

  • Element Details

    • resultType

      Class<? extends Exception> resultType
      Defines the type of result this handler needs to be triggered for. Defaults to all Exceptions.
      Default:
      java.lang.Exception.class

    • messageType

      Class<? extends Message> messageType
      Specifies the type of message that can be handled by the member method. Defaults to any Message.
      Default:
      org.axonframework.messaging.core.Message.class

    • payloadType

      Class<?> payloadType
      Specifies the type of message payload that can be handled by the member method. The payload of the message should be assignable to this type. Defaults to any Object.
      Default:
      java.lang.Object.class