Package org.axonframework.queryhandling.registration

Interface Summary

Interface	Description
DuplicateQueryHandlerResolver	Functional interface towards resolving the occurrence of a duplicate query handler being subscribed.

Class Summary

Class	Description
DuplicateQueryHandlerResolution	Enumeration describing a set of reasonable DuplicateQueryHandlerResolver implementations.
FailingDuplicateQueryHandlerResolver	Implementation of DuplicateQueryHandlerResolver that throws a DuplicateQueryHandlerSubscriptionException when a duplicate registration is detected.
LoggingDuplicateQueryHandlerResolver	Implementation of the DuplicateQueryHandlerResolver that allows registrations to be overridden by new handlers, but logs this (on WARN level) to a given logger.

Exception Summary

Exception	Description
DuplicateQueryHandlerSubscriptionException	Exception indicating a duplicate Query Handler was subscribed whilst this behavior is purposefully guarded against.