protocol BitSet TException scheme IScheme scheme TupleScheme transport TTransport ttupleprotocol tcompactprotocol factory tprotocolfactory factory tprotocol getprotocol ttransport trans ttupleprotocol trans ttupleprotocol ttransport transport transport override ischeme getscheme tuplescheme.class writebitset bitset bs vectorwidth texception bytes bs vectorwidth bytes writebyte bitset readbitset texception length math.ceil bytes length length bytes readbyte bitset bs bytes bs bitset bytes bitset bits bitset bytes.length bytes bytes.length bits.set bits bitset bits vectorwidth bytes vectorwidth bits.length bits.get bytes bytes.length bytes