Simplify rendering query before sending it down to the datastore
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                 Key: GEOT-2422
                 URL: http://jira.codehaus.org/browse/GEOT-2422
             Project: GeoTools
          Issue Type: Improvement
          Components: core render
    Affects Versions: 2.5.4
            Reporter: Andrea Aime
            Assignee: Andrea Aime
             Fix For: 2.5.5


StreamingRenderer does quite a bit of filtering composition to make sure it's 
drawing only the data it needs. As a result some Filter.INCLUDE or 
Filter.EXCLUDE may sneak into the filter chain (or be present to start with in 
the layer definition).
Make sure to simplify the filter before sending it down to the datastore to 
avoid the extra processing involved (and some datastores like shapefile get 
confused by the presence of Filter.INCLUDE, too).

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