closes the feature reader concode_field_sep SimpleFeature next concode_elem_sep Stack<NodeIdentifier> tovisit concode_elem_sep HashSet<String> collectedFeatureIds concode_elem_sep Iterator<GridData> currentNodeIterator concode_elem_sep GridSpatialIndex grid concode_field_sep SimpleFeature next concode_elem_sep void init concode_elem_sep SimpleFeatureType getFeatureType concode_elem_sep boolean hasNext concode_elem_sep SimpleFeature findNext
void function ( ) { tovisit . clear ( ) ; tovisit = null ; currentNodeIterator = null ; next = null ; grid = null ; }