+1 for the new api and spi as a new starting point.
however, imo we should find a better name for PropertyAdapter.

regards,
gerhard



2014-12-29 17:42 GMT+01:00 Romain Manni-Bucau <[email protected]>:

> inline as well
>
> 2014-12-29 17:21 GMT+01:00 Anatole Tresch <[email protected]>:
> > Hi Romain/all
> >
> > see inline
> >
> > 2014-12-29 16:58 GMT+01:00 Romain Manni-Bucau <[email protected]>:
> >
> >> Hello Anatole,
> >>
> >> Tried to put all my thoughts regading current api modules:
> >>
> >> - Configuration:
> >>
> >> * looking it I feel like
> >> org.apache.tamaya.Configuration#get(java.lang.String) should be the
> >> only method of Configuration. I'm not sure about current(), still
> >> think it shouldnt be here but in something like in
> >> ConfigurationFactory but not in configuration itself - at least to be
> >> aligned on common practises
> >
> >
> > -1 for String only, type safe access is one of the most wanted feature in
> > the community.
> > -1 for putting it elsewhere: It is JDK 8 style to do so. On top it would
> > require adding an additional artifact to the API, which is not necessary.
> > Keepo the API as small as possible. If seee further use cases that
> require
> > additional artifacts, we may reconsider this, but as of now I would let
> be
> > where it is.
> >
>
> excepted it is not consistent this way: why providing some specific
> method but not "mine". Why allowing to get implicit conversion and to
> provide a PropertyAdapter as parameter.
>
> etc...
>
> I agree it is an important and nice feature but it is not a core one.
>
> One thing you forgot is: as a user you want *your* logic which can be
> spring, xbean, a custom one.... That's why i strongly think it should
> be outside the core to ease integration with other frameworks and not
> collide on conversion process.
>
> About current(): all EE stack does it otherwise ;). The fact JDK 8
> allows to mix layers doesnt mean we should do it and that's what does
> current for me: mixing service and data layers.
>
> >
> > * All "adapt-friendly"  methods should go elsewhere IMO but not the
> >> core API - I guess it could be a mecanism used by all libs we'll add
> >> on top of it but I wouldn't bind tamaya-core-api to it since today
> >> when you integrate a config with an existing factory you already have
> >> it and it just adds noise the core ATM - once again I dont say to drop
> >> it but just to move it to another module for now.
> >>
> > -1 see above (one of the most wanted features). Additionally getXXX for
> > JDK wrapper types is a quite common API style in SE. Perhaps Werner can
> > correct me, if I am wrong here. Definitively it helps users, since they
> > now, that for these types the have guaranteed adapter support and this is
> > clearly visible from the API.
> >
>
> Maybe where we don't agree is the fact I'm sure nobody excepted
> framework writers will use this layer so smaller it is better it is. I
> would put the easiness effort on next layer and not this one.
>
> >
> >> - PropertySource:
> >>
> >> * not sure I get name need, for a future gui?
> >>
> > Yes and no, Name allows traceability and enables dynamic access of the
> > configuration components from outside, e.g. from managment functionality.
> > Name could be the file name and additional info.
> >
>
> using toString can be enough while we don't need this feature (why
> introducing an API if the framework does nothing with it?).
>
> >
> >
> >> * think it misses something between get(String) and getProperties() -
> >> == I agree with the TODO to replace getProperties() by
> >> getPropertyKeys(). Wonder if we should get PropertySource and
> >> ListablePropertySource instead of isScannable(). Last one would
> >> implement Iterable<String> (for getPropertyKeys()). wdyt?
> >>
> > I would prefer as well adding the keySet() method (it was part of my
> > original proposal).
> > -1 for Iterable<String>: I can do that easily from the key set, and I
> don't
> > want to have references on my property source through whatever loops at
> > runtime (possible risk of side effects).
> > -1 for ListPropertySource. Most of the property sources, even remote
> ones,
> > will be scannable. Using instanceof to check, if an instance is scannable
> > or not, seems for me to much efforts, compared to having the small
> boolean
> > method.
> >
>
> Was not the point. Point was on implementer side API is easier to use.
> Impl is a detail then.
>
> > - PropertySourceProvider:
> >>
> >> * a detail but shouldn't it be PropertySourcesProvider?
> >>
> > tbd (other opinions?). In Deltaspike it is called ConfigSourceProvider.
> > For me it looks OK, also with the singular...
> >
> >
> >
> >> - ServiceContext:
> >>
> >> * do we need all these default methods? I would do T
> >> getTamayaService(Class) and List getUserServices(Class) maybe. This
> >> can have an impact on the way it is loaded then - you dont want to
> >> load some tamaya services from a lower classloader (SericeContext and
> >> Configuratoin[Factory] ones typically). ATM getService() and
> >> getServices() doesn't differentiate it and then we could combine both
> >> in our usages and have issues later
> >> .
> >>
> >
> > We know there are things to improved here. This class was not yet
> analyzed
> > in more detail last night (it was about 1:30 pm !). We will continue
> > today...
> >
> > Anatole
> >
> >
> >
> >>
> >>
> >>
> >
> >>
> >>
> >>
> >> Romain Manni-Bucau
> >> @rmannibucau
> >> http://www.tomitribe.com
> >> http://rmannibucau.wordpress.com
> >> https://github.com/rmannibucau
> >>
> >>
> >> 2014-12-29 16:11 GMT+01:00 Anatole Tresch <[email protected]>:
> >> > Hi Oliver/all
> >> >
> >> > when you look at the api package you will find the API we have agreed
> on
> >> > together last night. Lookt at it and feel free to discuss. We will
> meet
> >> for
> >> > another Hangout session this evening again.
> >> >
> >> > -Anatole
> >> >
> >> > 2014-12-28 20:21 GMT+01:00 Oliver B. Fischer <
> [email protected]>:
> >> >
> >> >> I hate timezones: 9 PM UTZ at Tuesday...
> >> >>
> >> >> Am 28.12.14 um 19:55 schrieb Werner Keil:
> >> >>
> >> >>> UTZ, so does it mean Midnight CET?
> >> >>> And did "Thuesday" mean Tuesday or Thursday?;-)
> >> >>>
> >> >>> I can't say, if I'll be on a tablet then. This is a prepaid, but I
> may
> >> top
> >> >>> it up although I'm just here till the first week of Jan to use that.
> >> >>> Other places I use there are people long after midnight in most
> cases,
> >> but
> >> >>> that depends on public transport in Vienna going that long...
> >> >>>
> >> >>> Everything but Wed night sounds OK, but even Tue and Thu people will
> >> >>> already/still launch a lot of fireworks here;-O
> >> >>>
> >> >>> Werner
> >> >>>
> >> >>> On Sun, Dec 28, 2014 at 7:23 PM, Oliver B. Fischer <
> >> >>> [email protected]
> >> >>>
> >> >>>> wrote:
> >> >>>> What's about Thuesday around 11pm UTZ?
> >> >>>>
> >> >>>> Am 28.12.14 um 16:42 schrieb Mark Struberg:
> >> >>>>
> >> >>>> --
> >> >>>> N Oliver B. Fischer
> >> >>>> A Schönhauser Allee 64, 10437 Berlin, Deutschland/Germany
> >> >>>> P +49 30 44793251
> >> >>>> M +49 178 7903538
> >> >>>> E [email protected]
> >> >>>> S oliver.b.fischer
> >> >>>> J [email protected]
> >> >>>> X http://xing.to/obf
> >> >>>>
> >> >>>>
> >> >>>>
> >> >> --
> >> >> N Oliver B. Fischer
> >> >> A Schönhauser Allee 64, 10437 Berlin, Deutschland/Germany
> >> >> P +49 30 44793251
> >> >> M +49 178 7903538
> >> >> E [email protected]
> >> >> S oliver.b.fischer
> >> >> J [email protected]
> >> >> X http://xing.to/obf
> >> >>
> >> >>
> >> >
> >> >
> >> > --
> >> > *Anatole Tresch*
> >> > Java Engineer & Architect, JSR Spec Lead
> >> > Glärnischweg 10
> >> > CH - 8620 Wetzikon
> >> >
> >> > *Switzerland, Europe Zurich, GMT+1*
> >> > *Twitter:  @atsticks*
> >> > *Blogs: **http://javaremarkables.blogspot.ch/
> >> > <http://javaremarkables.blogspot.ch/>*
> >> >
> >> > *Google: atsticksMobile  +41-76 344 62 79*
> >>
> >
> >
> >
> > --
> > *Anatole Tresch*
> > Java Engineer & Architect, JSR Spec Lead
> > Glärnischweg 10
> > CH - 8620 Wetzikon
> >
> > *Switzerland, Europe Zurich, GMT+1*
> > *Twitter:  @atsticks*
> > *Blogs: **http://javaremarkables.blogspot.ch/
> > <http://javaremarkables.blogspot.ch/>*
> >
> > *Google: atsticksMobile  +41-76 344 62 79*
>

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