question: returns true if the index file is available concode_field_sep FileWriter writer concode_elem_sep CachedQuadTree cachedTree concode_elem_sep ShpFiles shpFiles concode_elem_sep int DEFAULT_MAX_QIX_CACHE_SIZE concode_elem_sep ShapefileDataStore store concode_elem_sep Logger LOGGER concode_elem_sep int maxQixCacheSize concode_field_sep boolean isIndexUseable concode_elem_sep boolean createSpatialIndex concode_elem_sep List<Data> queryFidIndex concode_elem_sep QuadTree openQuadTree concode_elem_sep CloseableIterator<Data> querySpatialIndex concode_elem_sep void dispose concode_elem_sep String id concode_elem_sep boolean isIndexStale concode_elem_sep boolean hasFidIndex concode_elem_sep boolean createFidIndex
target: boolean function ( ) { return shpFiles . isLocal ( ) && shpFiles . exists ( QIX ) ; }