public void setSuccessIsSet(boolean value) {
      __isset_bitfield = org.apache.thrift.EncodingUtils.setBit(__isset_bitfield, __SUCCESS_ISSET_ID, value);
    }
Returns true if field success is set (has been assigned a value) and false otherwise
hbase-thrift/src/main/java/org/apache/hadoop/hbase/thrift2/generated/THBaseService.java