Andrea,

that looks great. I like the handling of nested geometries. I tested a local merge + GWC + GeoServer + app-schema online and everything passed.

Merged on master.

Kind regards,
Ben.

On 24/11/17 04:08, Andrea Aime wrote:
Hi Ben,
managed to follow your advice on the fast path. Looked at the binding based
one too, there be dragons, big, scary ones (and it's not needed
for GeoServer simple features). So I solved one and left a ticket for the
other.

Here is a sample of the output, a case with nested geometries:

<sf:AggregateGeoFeature gml:id="AggregateGeoFeature.f005">
<gml:description>description-f005</gml:description>
<gml:name>name-f005</gml:name>
<gml:boundedBy>
<gml:Envelope srsName="urn:ogc:def:crs:EPSG::4326">
<gml:lowerCorner>68.87 29.86</gml:lowerCorner>
<gml:upperCorner>71.96 32.19</gml:upperCorner>
</gml:Envelope>
</gml:boundedBy>
<sf:multiPointProperty>
<gml:MultiPoint srsName="urn:ogc:def:crs:EPSG::4326"
gml:id="AggregateGeoFeature.f005.multiPointProperty">
<gml:pointMember>
<gml:Point gml:id="AggregateGeoFeature.f005.multiPointProperty.1">
<gml:pos>70.83 29.86</gml:pos>
</gml:Point>
</gml:pointMember>
<gml:pointMember>
<gml:Point gml:id="AggregateGeoFeature.f005.multiPointProperty.2">
<gml:pos>68.87 31.08</gml:pos>
</gml:Point>
</gml:pointMember>
<gml:pointMember>
<gml:Point gml:id="AggregateGeoFeature.f005.multiPointProperty.3">
<gml:pos>71.96 32.19</gml:pos>
</gml:Point>
</gml:pointMember>
</gml:MultiPoint>
</sf:multiPointProperty>
<sf:doubleProperty>2012.78</sf:doubleProperty>
<sf:strProperty>Ma quande lingues coalesce, li grammatica del resultant
lingue es plu simplic e regulari quam ti del coalescent lingues. Li nov
lingua franca va esser plu simplic e regulari quam li existent Europan
lingues.</sf:strProperty>
<sf:featureCode>BK030</sf:featureCode>
</sf:AggregateGeoFeature>

and the pull request that implements this:

https://github.com/geotools/geotools/pull/1754

Cheers
Andrea


On Thu, Nov 23, 2017 at 10:10 AM, Andrea Aime <[email protected]>
wrote:

On Wed, Nov 22, 2017 at 11:29 PM, Ben Caradoc-Davies <[email protected]>
wrote:

+1. I think this is the right thing to do. I propose that you create the
geometry gml:id with the feature gml:id + "." + propertyName.


Hum... that won't work in general, when a geometry contains another they
both have an id and that needs to be different... a count could be made for
sure.
I was leaning towards just using a random UUID instead, it's easier to
implement and the net effect is the same no?
In any case, I'll have better a look at implementing what you proposed.



app-schema configurations for GML 3.2 commonly use ClientProperty to set
a gml:id on geometries to be schema-valid. Your implementation should check
to see if there is a ClientProperty for an app-schema type, or be used only
for simple features. app-schema unit tests cover gml:id set on geometries
(e.g. Gsml32BoreholeWfsTest:64) so will detect if you break the
ClientProperty behaviour.


Yep, I plan to implement this only for simple features (on the fast GML
encoding path)

Cheers
Andrea

--

Regards,

Andrea Aime

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