@Override
public FacetCountCollectorSource getFacetCountCollectorSource(final BrowseSelection sel,
final FacetSpec fspec) {
final List<String> list = buildAllRangeStrings(sel.getValues());
return new FacetCountCollectorSource() {
// every string in the above list is of the form <latitude, longitude, radius>, which can be
// interpreted by GeoSimpleFacetCountCollector
@Override
public FacetCountCollector getFacetCountCollector(BoboSegmentReader reader, int docBase) {
FacetDataCache<?> latDataCache = _latFacetHandler.getFacetData(reader);