question: returns a sortfield for a string field.if nulllast and nullfirst are both false , then default lucene string sorting is used where null strings sort first in an ascending sort , and last in a descending sort . concode_field_sep PlaceHolder placeHolder concode_field_sep void applyMissingFirstLast concode_elem_sep SortField getTextSortField
target: SortField function ( String arg0 , boolean arg1 , boolean arg2 , boolean arg3 ) { SortField loc0 = new SortField ( arg0 , SortField . Type . STRING , arg1 ) ; applyMissingFirstLast ( loc0 , arg1 , arg2 , arg3 ) ; return loc0 ; }