GeoServer : WFSV-GetFeature
This page last changed on Oct 04, 2007 by jdeolive.
We obviosly need to be able and retrieve features at a specific revision. In WFS an hook is already available to support versioned request, in particular in the Query element of a GetFeature request:
This would make us standard compliant with WFS and limit filtering capabilities to equality, thought we have to implement ALL as well. The documentation explicitly says either ALL or an integer must be used, but we'll be more lenient and support other formats as well:
Returned feature collections should provide a version number, so that clients can build a checkout and just ask for differences in subsequent requests. This can be done by extending FeatureCollection into a VersionedFeatureCollection, being part of the same substitution group as FeatureCollection, which reports the last version for each feature type (given that some feature types may not be versioned, and others may come from different versioning datastores):
Providing version numbers is an optimization that can be added later, since basic versioning functionality is there even without checkouts.
Here we should add an extension of GetFeature that is able to return features modified by a specific user
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