[Kde-pim] Akonadi GroupDAV Resource

[Marco Nelles]

Hi Kevin,


> Any feedback on either (things which are hard to understand, not covered,
> etc)?

No, thanks, not yet. Most things I'm learning from the code of existing 
resources.
I'm quite new with Akonadi, so I still learn alot for myself, mainly just by 
reading the Akonadi code.

> One thing that is known to not be covered by this entry level tutorials is
> cache policies.

Yes, I really need to learn more about this.

> Each Akonadi collection has an associated CachePolicy object, which can be
> used to let Akonadi itself handle common things such as interval checking
>  (I saw that your config screenshot contains a kind of update interval
>  setting which you probably currently implement using a timer),

I've created a class called KGroupDAVProxy. This class contains a QTimer 
syncing internal items (in a "QThreaded" syncing process) with an external 
groupdav server. Every time item modifications detected a corresponding signal 
(add,mod,del) is emitted.
My idea was just to use an object of this class in my Akonadi resource.
Beyond the documentation I've really wondered how to inform Akonadi about 
changes in KGroupDAVProxy. I've solved this by starting 
ResourceBase::synchronize() on a detected item modification after a 
synchronization in a KGroupDAVProxy object. This is a "naive" implementaion 
and not very effective, I know.

So, the cache policies could help me?


So far, best regards,

Marco





Am Sonntag 18 Oktober 2009 18:58:58 schrieb Kevin Krammer:
> Hi Marco,
> 
> On Sunday, 2009-10-18, Marco Nelles wrote:
> > Hi list,
> >
> >
> > my name is Marco and I'm new on this list.
> >
> > I'm developing an Akonadi GroupDAV Resource.
> 
> Cool!
> 
> > Feel free to download and try (released under the terms of GPL v3). It is
> > still under heavy development. If you're interested: Any suggestions are
> > welcome!
> >
> > http://opensource.maniatek.com/calgo
> >
> > or check out from here:
> >
> > git clone git://github.com/marcomania/Calgo.git
> 
> I see you based this our KAppTemplate resource template.
> Did you also check our resource tutorial [1]?
> Any feedback on either (things which are hard to understand, not covered,
> etc)?
> 
> One thing that is known to not be covered by this entry level tutorials is
> cache policies.
> Each Akonadi collection has an associated CachePolicy object, which can be
> used to let Akonadi itself handle common things such as interval checking
>  (I saw that your config screenshot contains a kind of update interval
>  setting which you probably currently implement using a timer),
> 
> > The development is promoted by the credativ GmbH.
> 
> Awesome!
> 
> Cheers,
> Kevin
> 
> [1] http://techbase.kde.org/Development/Tutorials/Akonadi/Resources
> 
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