commons-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Tim Bessie <tbes...@meez.com>
Subject Re: [configuration] Any way to tell with CompositeConfiguration which child Config object a value is derived?
Date Thu, 17 Nov 2011 20:38:01 GMT
Thanks much, Ralph!

- Tim

On Thu, Nov 17, 2011 at 11:57 AM, ralph.goers @dslextreme.com <
ralph.goers@dslextreme.com> wrote:

> You should take a look at
> http://www.apache.org/foundation/getinvolved.htmlwhich references
> http://jakarta.apache.org/site/contributing.html. The first link has links
> to all the various information you will want to read. The second link
> provides a fairly good description of how people become committers on ASF
> projects.
>
> Ralph
>
> On Thu, Nov 17, 2011 at 9:32 AM, Tim Bessie <tbessie@meez.com> wrote:
>
> > I'd be happy to write it myself - how does one become a committer in this
> > project?
> >
> > - Tim
> >
> > On Thu, Nov 17, 2011 at 8:55 AM, Oliver Heger
> > <oliver.heger@oliver-heger.de>wrote:
> >
> > > Am 17.11.2011 00:34, schrieb Tim Bessie:
> > >
> > >  Thanks Oliver - unfortunately, that is not quite the same issue I'm
> > >> talking
> > >> about.
> > >> Mostly, this is because I want to use CompositeConfiguration; I don't
> > >> require structure in my configurations and don't want to have to deal
> > with
> > >> the concepts CombinedConfiguration uses (nodes, views, etc.).
> > >>
> > >> Just a simple, layered configuration concept like
> CompositeConfiguration
> > >> provides, and the ability to say "where did the value for this key
> come
> > >> from", not "what is the ONLY configuration object this key is defined
> > in".
> > >>
> > >> Perhaps we need another method - getFirstSource(String key), where the
> > >> source config returned is the one where key is first defined in the
> > child
> > >> configurations, regardless of whether that key is defined again in a
> > later
> > >> child config?
> > >>
> > >> Where would I request such a feature? Would that be hard to implement?
> > >> Seems to be a common sort of requirement.
> > >>
> > >> - Tim
> > >>
> > >
> > > Just open an enhancement ticket in Jira, our bug-tracking system [1]
> with
> > > a detailed description of what you want to achieve.
> > >
> > > From your explanation above I have the impression that this feature is
> > not
> > > too complicated to implemented. But we will see when the ticket has
> been
> > > created.
> > >
> > > Oliver
> > >
> > > [1] http://commons.apache.org/**configuration/issue-tracking.**html<
> > http://commons.apache.org/configuration/issue-tracking.html>
> > >
> > >
> > >> On Wed, Nov 16, 2011 at 1:34 PM, Oliver Heger
> > >> <oliver.heger@oliver-heger.de>**wrote:
> > >>
> > >>  Am 16.11.2011 22:24, schrieb Tim Bessie:
> > >>>
> > >>>  I have been trying to use commons-configuration, especially the
> > >>>
> > >>>> CompositeConfiguration object (and have looked into
> > >>>> CombinedConfiguration),
> > >>>> and I have a need to be able to ask  "Which child configuration
> object
> > >>>> did
> > >>>> a given key's value derive from?"
> > >>>>
> > >>>> I had thought that CompositeConfiguration.****getSource() would
tell
> > >>>> me,
> > >>>>
> > >>>> but if
> > >>>> we have:
> > >>>>
> > >>>> source A:
> > >>>> x.prop1=hello
> > >>>>
> > >>>> source B:
> > >>>> x.prop1=goodbye
> > >>>>
> > >>>> source DEFAULT:
> > >>>> x.prop1=You didn't set a value
> > >>>>
> > >>>> and I call getSource("x.prop1"), I'll get an
> IllegalArgumentException,
> > >>>> since x.prop1 exists in all 3 child configurations.
> > >>>>
> > >>>> What I was hoping for was something that would be consistent with
> > >>>> getProperty("x.prop1"); since that would return the value from
> "source
> > >>>> A"
> > >>>> (since that was where it was first found), I was hoping there'd
be
> > some
> > >>>> method that could tell me "in which child configuration was the
> value
> > >>>> you
> > >>>> got found", but there doesn't seem to be any way to do this.
> > >>>>
> > >>>> Why is this vital functionality missing?  Or am I missing something
> in
> > >>>> the
> > >>>> documentation?
> > >>>>
> > >>>>
> > >>>>  There is an open bug report [1] related to this issue. Maybe the
> > >>> discussion in this ticket answers some of your questions.
> > >>>
> > >>> Oliver
> > >>>
> > >>> [1] https://issues.apache.org/****jira/browse/CONFIGURATION-443<
> > https://issues.apache.org/**jira/browse/CONFIGURATION-443>
> > >>> <**https://issues.apache.org/**jira/browse/CONFIGURATION-443<
> > https://issues.apache.org/jira/browse/CONFIGURATION-443>
> > >>> >
> > >>>
> > >>> ------------------------------****----------------------------**
> > >>> --**---------
> > >>> To unsubscribe, e-mail: user-unsubscribe@commons.**apa**che.org<
> > http://apache.org>
> > >>> <user-unsubscribe@**commons.apache.org<
> > user-unsubscribe@commons.apache.org>
> > >>> >
> > >>>
> > >>> For additional commands, e-mail: user-help@commons.apache.org
> > >>>
> > >>>
> > >>>
> > >>
> > >>
> > >
> > >
> ------------------------------**------------------------------**---------
> > > To unsubscribe, e-mail: user-unsubscribe@commons.**apache.org<
> > user-unsubscribe@commons.apache.org>
> > > For additional commands, e-mail: user-help@commons.apache.org
> > >
> > >
> >
> >
> > --
> >
> > Tim Bessie
> > Meez, Inc.
> > tbessie@meez.com
> >
>



-- 

Tim Bessie
Meez, Inc.
tbessie@meez.com

Mime
  • Unnamed multipart/alternative (inline, None, 0 bytes)
View raw message