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On Saturday 27 December 2008, Luca Beltrame wrote:
> Now, I wonder if this warrants the creation of a specific DataEngine or n=
ot
> . 90% of the functions to retrieve data are already implemented, what's
> missing (and that I'd write) would be a part to parse the results (they
> come in XML). As far as I understand, DataEngines work with data that is
> either timed or continuous, while in this case it is the user that will
> decide when to search, so they're not very fit for this purpose.

ah, one other thing: for asynchronous actions, it can be easier to put that=
 in=20
a DataEngine and then not worry about all the bookkeeping in your=20
visualization.

the easiest way i've found to do this is to subclass DataContainer and use=
=20
that as the async wrapper. in fact, for 4.3 i'm toying with the idea of mak=
ing=20
an AsyncDataContainer class or perhaps just extending the existing one with=
=20
the dozen or so lines of code that end up repeated in this pattern (and whi=
ch=20
are easy to get wrong)

=2D-=20
Aaron J. Seigo
humru othro a kohnu se
GPG Fingerprint: 8B8B 2209 0C6F 7C47 B1EA  EE75 D6B7 2EB1 A7F1 DB43

KDE core developer sponsored by Qt Software


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