4.5 - Activities

[Ivan Čukić]

> ah, and it's transfered over dbus to the client app on each call?

Only on request - if the client wants list of activities, it is sent to it. 
The same goes for (soon to be) activitiesForResource. It is not like those 
methods should be called that often.

The alternative (discussed with kwin guys) was to use XItems but we decided it 
is not that much info so that dbus is not that slow :)

> yes, that wouldn't be optimal. does the query really take 1s though? is the
> query itself properly optimized?

I may be overreacting - I'm just concerned about the future speed - now we 
don't have that much info in the nepomuk's database and some nepomuk-based 
KIO-s can be rather slow for me.

The query is rather simple - get me stuff with this type :) 

The other issue with removing cache is that we'd have to wait for nepomuk to 
start in the kde's startup process, and with the cache we don't really care if 
it is alive or not until we really need it. (this should be improved in the 
code itself eventually - now it is not really really like this :) )

Cheerio,
Ivan

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