On 21 Jan 2004, at 14:34, Daniel Florey wrote:
As promised I now started to work on event handling in slide.
Awesome!!
[hey, the evolution rate of this project is unbelievable!]
It's not easy to find the right approach to fire as many events as desired.
don't worry, we can tune things later... don't try to make it perfect the first try, my suggestion is to have something that work ASAP and let the community make it better over time. Incremental community development is the fastest process.
I've implemented vetoable events for the different helpers (ContentEvent,
MacroEvent etc), but this is very fine grained. (BTW: It's interesting to
see, how ofter some methods are called, there seems to be much room for
performance enhancements).
Yes! it's a very nice tracing and debugging mechanism as well!
There may also be events on level of each webDAV method but I've the strong
feeling it is better to handle event on slide core level only.
+1
Next steps: - Make the events to be fired configurable (per helper?)
what do you mean by "helper"?
- Collect events that are fired inside transactions and distribute them
asynchronously to all listeners after commit (for this the stores might need
to be extended so that events can be stored to ensure that no event gets
lost). This can e.g. be used to trigger search index updates.
nice!
- event en-/decoding to XML
what's the reason for this? [curious]
- Implement webdav-like method to get all events since... (time in millis) for
client that want to pull events
hmmm, again, what's the scenario for this? I expect events to be pushed, polling is not exactly the most efficient mechanism of synchronization.
- Implement pushing events to remote clients listening on a specified port
(webdav-like method needed to register clients on a given port)
Have you thought about using JMS instead?
Any comments are welcome!
Keep up the great work!
--Stefano.
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