On 25 July 2011 11:58, Andrea Aime <[email protected]> wrote: > Hi, > a long long time ago, in a svn revision far away, Lisasoft contributed > an aggregating WFS data store: > http://svn.osgeo.org/geotools/branches/2.4.x/modules/unsupported/aggregating-wfs/src/main/java/org/geotools/data/aggregating/
I must have missed that :-( > > Today I need something quite similar, yet, different enough that I'll > have to reimplement > it from scratch. > I need an aggregating data store that: > - can aggregate from any store, not just WFS (the use case is actually > local database + various remote wfs) > - still works on simple features only > - has a target schema (the first one in list) and can aggregate the > others with some > leeway on schema differences (ignore extra attributes, nullify > missing ones, eventually > accept case differences in attribute names) > - can tolerate some of the stores being unavailable > - can get features in parallel from the sources and merge them in a > single response (this one has still > the jury out, it might be done in a purely sequential way too) > - is purely read only > - assumes there are no feature duplicates around > - the configuration would be programmatic, plus an eventual xml config > file (likely xstream based for read/writes) > > The code would be based on content data store this time. > Of course the code would be developed in unsupported and then > eventually migrated to supported > status. Sounds like a great plan to me (+1 if you need one for this). I'll keep an eye out for code (assuming I have some spare time while I'm moving house, starting new job etc). Ian ------------------------------------------------------------------------------ Storage Efficiency Calculator This modeling tool is based on patent-pending intellectual property that has been used successfully in hundreds of IBM storage optimization engage- ments, worldwide. Store less, Store more with what you own, Move data to the right place. Try It Now! http://www.accelacomm.com/jaw/sfnl/114/51427378/ _______________________________________________ Geotools-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/geotools-devel
