Comments inline on event distribution ... and then we should be good to go. If it helps I think we can seperate event notification (generating events/listening for events) from event distribution (in a cluster, recorded in an audit log).
On 18 December 2015 at 07:04, Niels Charlier <ni...@scitus.be> wrote: > no problem: because this isn't being enforced. The ResourceStore already > provides the API needed for adding handlers to resources and this remains > unaltered, the programmer who uses Resources need not worry about the > existence of the ResourceWatcher as they never need to use it. Alternative > implementations of ResourceStore may choose to use it, which would be > recommended if they wish to support clustering, but that is all. So the missing bit for me is the hazelcast and jms plugins - they both implement an interface for event distribution. I expected JDBCResoruceStore work to integrate smoothly with that ... but had not looked into the details. Two questions: >> - If you are really focused on event dispatch can we rename the interface >> to match? >> > Sure, ResourceNotificationDispatcher then. Thanks that helps keep my head from exploding. > - Should we have an event dispatch mechanism that works in a similar >> fashion for catalog and resource change events? >> > > Bit confused, resource change events is what we are talking about. > Catalog: good point. I don't know if there is a mechanism in place for > distributing these in a clustered environment, but if not we do need such > a mechanism. It is possible this can be solved with a different mechanism. There is a mechanism, and two implementations. I would like to combine forces rather than duplicate. Implementations: - https://github.com/geoserver/geoserver/tree/master/src/community/hz-cluster - https://github.com/geoserver/geoserver/tree/master/src/community/jms-cluster Can you take a moment to look at those and tell me what you think?
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