We don't need many votes to proceed; now that you have opened up voting let us
see if we can get it done.
Jody
On 13/01/2011, at 6:34 PM, Niels wrote:
> Well, apart from the Query tests Jody was talking about the patch is pretty
> much ready, me thinks.
> But in terms of voting that is another question. Ben is on leave at the
> moment.
>
> On 12/01/11 22:54, Justin Deoliveira wrote:
>>
>> Just to chime in here guys it is getting pretty close to the time we need to
>> decide what to do as my original plan was to release end of day Thursday.
>> Three options are:
>>
>> 1) Niels gets work in by Thursday and we release as planned
>> 2) Niels does not get work in and we release anyway
>> 3) We postpone the release until Niels work is in
>>
>> Please advise how we should proceed.
>>
>>
>> On Wed, Jan 12, 2011 at 6:30 AM, Jody Garnett <[email protected]> wrote:
>> I am catching up with the program; what I was worried about did not actually
>> occur in the code.
>>
>> Hints are used as part of the configuration of a factory; and there are
>> mechanisms in place to make sure two factories configured the same way - do
>> not occur. So when you ask the FactoryRegistery for a factory with a
>> specific set of hints it will either give you the matching factory; or
>> create a new one and remember it for next time.
>>
>> So I was getting worried about using NamespaceSupport in this manner; as
>> NamespaceSupport is pretty specific - and not really a very good value
>> object (ie we don't even know if it implements "equals" and is suitable for
>> use in a factory registery as described above).
>>
>> Turns out that the NamespaceSupport is only passed in during evaluation;
>> indeed we could of just used a normal java.util.Map and we would of been
>> just as happy.
>>
>> Jody
>>
>> On 12/01/2011, at 11:20 PM, <[email protected]>
>> <[email protected]> wrote:
>>
>> > The problem is that then the API of PropertyAccessor and
>> > PropertyAccessorFactory need to be changed too.
>> > Because the namespace is passed on to them through the hints. If we don't
>> > use the hints at all anymore
>> > (not even for communication between AttributeExpressionImpl and
>> > PropertyAccessors), we need to add extra parameters in the API to pass on
>> > the NamespaceSupport separately....
>> >
>> > Thought I filled in Javadoc as good as possible, might have forgotten here
>> > or there, Sorry.
>> > ________________________________________
>> > From: Jody Garnett [[email protected]]
>> > Sent: Wednesday, January 12, 2011 6:24 PM
>> > To: Charlier, Niels (CESRE, Kensington)
>> > Cc: [email protected]
>> > Subject: Re: [Geotools-devel] Query and CommonFactory finder (ie beyond
>> > namespace 2)
>> >
>> > Thanks Niels; reviewing now.
>> >
>> > I noticed in PropertyAccessorFactory ...
>> >
>> > public static final Key NAMESPACE_CONTEXT = new
>> > Hints.Key(org.xml.sax.helpers.NamespaceSupport.class);
>> >
>> > I am a bit worried about funnelling a NamespaceSupport into different
>> > factories as a Hint; I would like to check where this is used.
>> >
>> > Part of why we brought gt-opengis interfaces into the library was so you
>> > could update the FilterFactory2 - just so a hint was not used (and the
>> > factory would not be stateful).
>> > Can we change AttributeExpressionImpl to accept a NamespaceSupport
>> > explicitly rather than passing it in as part of the hints?
>> >
>> > Other than that (because we are defining new api) we need to fill in the
>> > javadocs (or I will feel guilty making Micheal Bedward work too hard).
>> >
>> > Jody
>> >
>> >
>> > On 12/01/2011, at 7:59 PM, Niels wrote:
>> >
>> > I uploaded a patch... If it can be approved before the new release, it
>> > would be nice to include it!
>> >
>> > thx
>> > Niels
>> >
>> > On 12/01/11 13:01, Jody Garnett wrote:
>> > Have a go at your patch now; I can review when you have it ready.
>> >
>> > Jody
>> >
>> > On 12/01/2011, at 12:12 PM, Niels wrote:
>> >
>> > Thanks, Jody! That's great.
>> >
>> > On 11/01/11 20:27, Jody Garnett wrote:
>> >
>> > Okay I was able to move CommonFactoryFinder (and a couple of others) over
>> > to gt-api.
>> >
>> > See patch http://jira.codehaus.org/browse/GEOT-3374 for details.
>> >
>> > Jody
>> >
>> > On 11/01/2011, at 6:58 PM, Jody Garnett wrote:
>> >
>> >
>> >
>> > Okay tried out your idea Gabriel.
>> >
>> > There are actually two factory finders in play:
>> > - BasicFactories - used by the geometry library implementations; never
>> > hooked up to gt-referencing (and should be used by gt-referencing when
>> > creating direct positions)
>> > - CommonFactoryFinder
>> >
>> > The superclass you mentioned, FactoryFinder, is actually abstract.
>> >
>> > I did try a couple of things:
>> > - moving to gt-metadata; failed as the code references
>> > ReferencingFactoryFinder (probably not that big a deal as we could just
>> > reverse the relationship)
>> > - moving to gt-referencing; failed as CommonFactory finder references
>> > FeatureCollection which is part of gt-api and not an gt-opengis interface
>> >
>> > I am going to go away and think for a bit.
>> > Jody
>> >
>> > On 11/01/2011, at 3:05 PM, Jody Garnett wrote:
>> >
>> >
>> >
>> > A very good idea Gabriel,
>> >
>> > I mentioned this on the other email thread but I have an alternative to
>> > consider?
>> >
>> > I would like to collect all the factory finder stuff into the GeoTools
>> > class; resulting in more readable code. I think we can do this as the
>> > factory lookup code does not depend on any specific implementation?
>> >
>> > Cheers,
>> > Jody
>> >
>> > On 11/01/2011, at 2:59 PM, Gabriel Roldán wrote:
>> >
>> >
>> >
>> > On Tue, 2011-01-11 at 13:30 +1000, Jody Garnett wrote:
>> >
>> >
>> > The namespace 2 discussion has been productive (introducing of gt-opengis,
>> > creation of two proposals) but is now stuck...
>> >
>> > The Query interface would like to work with PropertyName to capture a list
>> > of xpath expressions to be obtained via the Query. To do a nice job of
>> > this it would be good to have access to a FilterFactory (by way of
>> > CommonFactoryFinder).
>> >
>> > Why is this an issue?
>> > - Query is in gt-api
>> > - CommonFactoryFinder is in gt-main
>> >
>> > Any suggestions?
>> >
>> >
>> > not sure it'll work, but FactoryFinder is in gt-metadata, so Query could
>> > just use that one provided the lookup method is refactored into
>> > FactoryFinder:
>> >
>> > public class FactoryFinder{
>> >
>> > public static Object lookup(Class category, Hints hints, Hints.Key key)
>> > {
>> > hints = mergeSystemHints(hints);
>> > ....
>> > }
>> >
>> >
>> >
>> >
>> > Jody
>> > ------------------------------------------------------------------------------
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>> >
>> > --
>> > Gabriel Roldan
>> > [email protected]<mailto:[email protected]>
>> > Expert service straight from the developers
>> >
>> >
>> >
>> > ------------------------------------------------------------------------------
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>> >
>> >
>> >
>> > --
>> > Niels Charlier
>> >
>> > Software Engineer
>> > CSIRO Earth Science and Resource Engineering
>> > Phone: +61 8 6436 8914
>> >
>> > Australian Resources Research Centre
>> > 26 Dick Perry Avenue, Kensington WA 6151
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>> > Protect Your Site and Customers from Malware Attacks
>> > Learn about various malware tactics and how to avoid them. Understand
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>> >
>> >
>> > --
>> > Niels Charlier
>> >
>> > Software Engineer
>> > CSIRO Earth Science and Resource Engineering
>> > Phone: +61 8 6436 8914
>> >
>> > Australian Resources Research Centre
>> > 26 Dick Perry Avenue, Kensington WA 6151
>> >
>>
>>
>> ------------------------------------------------------------------------------
>> Protect Your Site and Customers from Malware Attacks
>> Learn about various malware tactics and how to avoid them. Understand
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>> _______________________________________________
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>>
>>
>> --
>> Justin Deoliveira
>> OpenGeo - http://opengeo.org
>> Enterprise support for open source geospatial.
>>
>
>
> --
> Niels Charlier
>
> Software Engineer
> CSIRO Earth Science and Resource Engineering
> Phone: +61 8 6436 8914
>
> Australian Resources Research Centre
> 26 Dick Perry Avenue, Kensington WA 6151
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