Yes sir, I will try 8-SNAPSHOT.
-----Original Message-----
From: Jody Garnett [mailto:jody.garn...@gmail.com]
Sent: Sun 10/2/2011 4:24 AM
To: Dustin Parker
Cc: geotools-gt2-users@lists.sourceforge.net
Subject: Re: [Geotools-gt2-users] GEOT-3576 patch breaks isNull test for
complex attributes - Email found in subject
There has been a change with respect to handling of all filters - specifically
for AppSchema. I was going to release a M2 shortly; if you would not rechecking
the functionality of 8-SNAPSHOT to see how / if it addresses your problem it
would be appreciated.
Indeed on the geotools-devel list we have been discussing (today) the
difference between an isNull and a WFS2 isNil filter (where isNil is supposed
to test the existence; rather than just the value).
--
Jody Garnett
On Saturday, 1 October 2011 at 5:53 AM, Dustin Parker wrote:
> Hey all,
>
> Our app uses GeoTools and app-schema features. We've been using 2.7-M2
> for a while, and I wanted to update to 8.0-M1 since it fixes some
> concurrency bugs in the factory implementation. However, it breaks
> isNull expressions that are testing for the existence of complex
> attributes. It all comes down to this method in
> org.geotools.filter.FilterAbstract:
>
> private Object unpack(Object value) {
>
> if (value instanceof org.opengis.feature.ComplexAttribute){
> Property simpleContent =
> ((org.opengis.feature.ComplexAttribute)value).getProperty(new
> NameImpl("simpleContent"));
> if (simpleContent == null) {
> return null;
> } else {
> return simpleContent.getValue();
> }
> }
>
> if(value instanceof org.opengis.feature.Attribute){
> return ((org.opengis.feature.Attribute)value).getValue();
> }
>
> return value;
> }
>
> Because we really are testing for the existence of a complex attribute,
> and that attribute doesn't have a property named {}simpleContent, this
> returns null and isNull always returns true.
>
> Is this the correct behavior? It's changed from 2.7-M2, and it just
> seems counterintuitive. If this is the correct behavior, is there a
> better way to check for null complex attributes?
>
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