question: protected PreparedScript ( Program prog , String [ ] inputs , String [ ] outputs ) { _prog = prog ; _vars = new LocalVariableMap ( ) ; _inVarnames = new HashSet < String > ( ) ; Collections . addAll ( _inVarnames , inputs ) ; _outVarnames = new HashSet < String > ( ) ; Collections . addAll ( _outVarnames , outputs ) ; _inVarReuse = new HashMap < String , Data > ( ) ; }
target:  Meant to be invoked only from Connection.