Re: [udig-devel] Feature Caching

[Dave S-B <dev-lists@xxxxxxxxxxxxxxxxxxxxx>]

...and I'm using a MySql DataStore to get the data...

Dave S-B wrote:
> I'm trying to work through a problem I'm having with a custom 
> GeoResource and I could do with some pointers.
>
> In our application, users can select global named "datasets" to work 
> with for their current session. Amongst a load of other things, this 
> includes data filtering. So, from my custom IGeoResource's 
> getFeatureSource() method, I'm returning a feature source with a 
> filter based on the global dataset rules. This is all working fine 
> when you first open a map or add this particular layer - it picks up 
> the correct results based on the current datasets. But, if the user 
> changes their dataset selection, no amount of map refreshing or 
> opening and closing of maps will draw the correct data *even though* 
> the getFeatureSource() method *is* returning a FeatureSource with the 
> correct Query/Filter (it's just an FID filter). The only way to see 
> the refreshed data is to shut down the application and re-open it.
>
> I'm having trouble working out where things are being cached because 
> getFeatureSource() is getting called on every map refresh/pan/zoom so 
> something is obviously looking for fresh information.
>
> Any ideas how I can get the map to refresh properly? I'm using 1.2M5 
> SDK at the moment..
>
> Many Thanks
> Dave S-B
> New album - "Dark" - out now! Check it out on 
> www.myspace.com/davesbsounds
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