Examples of org.geotools.data.CachingFeatureSource

org.geotools.data.CachingFeatureSource
A caching feature source for fast data access.
This feature source is used as a wrapper offering a spatial index, for a quick user interface experience at the cost of memory, all data returned by the last query will be loaded in a in memory spatial index.
This class is meant as an example, it is not tested enough to be considered production worthy @author Andrea Aime - GeoSolutions @since 2.6 @source $URL$ @version $Id$ @deprecated This class is not tested enough to be considered production ready

        if (prop == null) {
            prop = layer.getBlackboard().get(KEY);
        }
        if (prop instanceof Boolean && Boolean.TRUE.equals(prop)) {
            try {
                CachingFeatureSource cachingFeatureSource = (CachingFeatureSource) layer.getBlackboard().get("cache");
                if( cachingFeatureSource != null ){
                    return cachingFeatureSource;
                }                
                cachingFeatureSource = new CachingFeatureSource(resource);
                layer.getBlackboard().put("cache", cachingFeatureSource);
                return cachingFeatureSource;
            } catch (IOException e) {
                if ( ProjectPlugin.getPlugin().isDebugging()){
                    ProjectPlugin.getPlugin().log("Unable to cache "+resource+":"+e.getLocalizedMessage());

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        FileDataStore store = FileDataStoreFinder.getDataStore(file);
        SimpleFeatureSource featureSource = store.getFeatureSource();
        
        // CachingFeatureSource is deprecated as experimental (not yet production ready)
        CachingFeatureSource cache = new CachingFeatureSource(featureSource);


        // Create a map content and add our shapefile to it
        MapContent map = new MapContent();
        map.setTitle("Using cached features");
        Style style = SLD.createSimpleStyle(featureSource.getSchema());

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