Examples of org.geotools.data.QueryCapabilities

org.geotools.data.QueryCapabilities
Describes the query capabilities for a specific FeatureType, so client code can request which features are natively supported by a FeatureSource.
This is the minimal Query capabilities we could come up in order to reliably support paging. Yet, the need for a more complete set of capabilities is well known and a new proposal should be done in order to define the complete set of capabilities a FeatureSource should advertise.
@author Gabriel Roldan (TOPP) @version $Id$ @since 2.5.x @source $URL$

            SimpleFeatureSource featureSource = (SimpleFeatureSource) resource.getFeatureSource(
                    null, null);
            Query query = buildQuery(request, featureSource.getSchema());
            
            // couple sanity checks
            final QueryCapabilities queryCapabilities = featureSource.getQueryCapabilities();
            if(!queryCapabilities.isOffsetSupported() && (query.getStartIndex() != null && query.getStartIndex() > 1)) {
                throw new RestletException("Offset is not supported on this data source", Status.SERVER_ERROR_INTERNAL);
            }
            
            SimpleFeatureCollection features = featureSource.getFeatures(query);

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              }


                // check for startIndex + offset
                final Integer startIndex = request.getStartIndex();
                if (startIndex != null) {
                    QueryCapabilities queryCapabilities = source.getQueryCapabilities();
                    if (queryCapabilities.isOffsetSupported()) {
                        // fsource is required to support
                        // SortBy.NATURAL_ORDER so we don't bother checking
                        definitionQuery.setStartIndex(startIndex);
                    } else {
                        // source = new PagingFeatureSource(source,

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