@Override
    public void write(org.apache.thrift.protocol.TProtocol prot, ThriftTestObj struct) throws org.apache.thrift.TException {
      org.apache.thrift.protocol.TTupleProtocol oprot = (org.apache.thrift.protocol.TTupleProtocol) prot;
      java.util.BitSet optionals = new java.util.BitSet();
      if (struct.isSetField1()) {
        optionals.set(0);
      }
      if (struct.isSetField2()) {
        optionals.set(1);
      }
      if (struct.isSetField3()) {
        optionals.set(2);
      }
      oprot.writeBitSet(optionals, 3);
      if (struct.isSetField1()) {
        oprot.writeI32(struct.field1);
      }
      if (struct.isSetField2()) {
        oprot.writeString(struct.field2);
      }
      if (struct.isSetField3()) {
        {
          oprot.writeI32(struct.field3.size());
          for (InnerStruct _iter4 : struct.field3)
          {
            _iter4.write(oprot);
          }
        }
      }
    }
Returns true if field corresponding to fieldID is set (has been assigned a value) and false otherwise
serde/src/gen/thrift/gen-javabean/org/apache/hadoop/hive/serde/test/ThriftTestObj.java