The GeoTools Query param object is based on the WFS Query request. This object 
did support the idea of Query.getVersion() in the past.

I think some of that idea may be on the table for WFS 2.0 but I would need to 
check. Can you look at how how WFS 2.0 represents this (see Figure 8 WFS 2.0 
Interface specification)?

-- checking --

Looks to be:

Query.getFeatureVersion(): String

That may be sufficient to allow FeatureSource.getFeatures( Query ) to explore 
historic content in a read-only fashion? I have no idea how using WFS you are 
supposed to sort out the range of valid "FeatureVersion" strings to use ... 
perhaps the specifications indicates this. I am also amused to see 
"ServiceConstraints" show up as a data structure; very similar to what we added 
to GeoTools...

Putting the two together the specification has:

A.1.14 Feature versions
a) Test Purpose: Verify that the server implements the Feature versions 
conformance class.

b) Test Method: See A.2.11. For test A.2.23 verify that the value of the 
constraint ImplementsFeatureVersioning is set to TRUE. Verify that conformance 
test ISO 19143:2010, A.11 is satisfied.

c) References: ISO 19143:2010, 7.11

d) Test Type: Capability 




So we need someone with access to check ISO 19143:2010, A. 11 to see what it 
has to say about versions. LISAsoft is an OGC member so you should be able to 
sign into the portal and negotiate access to that document as a sanity check 
(or ask on [email protected] for a more informal chat).

-- 
Jody Garnett


On Thursday, 4 August 2011 at 3:25 PM, Walter Deane wrote:

> I have submitted a proposal to include a FeatureVersioning and related 
> interfaces to GeoTools. 
> 
> These are new api classes but are based heavily on previous work in the 
> versioned postgis project.
> 
> The current docs that this relates too are here:
> 
> http://docs.geotools.org/latest/userguide/library/data/featuresource.html
> 
> The proposal is here:
> 
> http://docs.codehaus.org/display/GEOTOOLS/FeatureVersioning+interface+api
> 
> and the JIRA is here:
> 
> http://jira.codehaus.org/browse/GEOT-3770
> 
> There is a UML of the FeatureVersioning and FeatureSourceVersioning here:
> 
> http://i.imgur.com/uoks4.png
> 
> Any feedback would be appreciated.
> 
> Walter Deane
> ------------------------------------------------------------------------------
> BlackBerry® DevCon Americas, Oct. 18-20, San Francisco, CA
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-- 
Jody Garnett


On Thursday, 4 August 2011 at 3:25 PM, Walter Deane wrote:

> I have submitted a proposal to include a FeatureVersioning and related 
> interfaces to GeoTools. 
> 
> These are new api classes but are based heavily on previous work in the 
> versioned postgis project.
> 
> The current docs that this relates too are here:
> 
> http://docs.geotools.org/latest/userguide/library/data/featuresource.html
> 
> The proposal is here:
> 
> http://docs.codehaus.org/display/GEOTOOLS/FeatureVersioning+interface+api
> 
> and the JIRA is here:
> 
> http://jira.codehaus.org/browse/GEOT-3770
> 
> There is a UML of the FeatureVersioning and FeatureSourceVersioning here:
> 
> http://i.imgur.com/uoks4.png
> 
> Any feedback would be appreciated.
> 
> Walter Deane
> ------------------------------------------------------------------------------
> BlackBerry® DevCon Americas, Oct. 18-20, San Francisco, CA
> The must-attend event for mobile developers. Connect with experts. 
> Get tools for creating Super Apps. See the latest technologies.
> Sessions, hands-on labs, demos & much more. Register early & save!
> http://p.sf.net/sfu/rim-blackberry-1
> _______________________________________________
> Geotools-devel mailing list
> [email protected] 
> (mailto:[email protected])
> https://lists.sourceforge.net/lists/listinfo/geotools-devel

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