public void write(org.apache.thrift.protocol.TProtocol oprot, TCancelPlanFragmentParams struct)
        throws org.apache.thrift.TException {
      struct.validate();

      oprot.writeStructBegin(STRUCT_DESC);
      if (struct.protocol_version != null) {
        oprot.writeFieldBegin(PROTOCOL_VERSION_FIELD_DESC);
        oprot.writeI32(struct.protocol_version.getValue());
        oprot.writeFieldEnd();
      }
      if (struct.fragment_instance_id != null) {
        if (struct.isSetFragment_instance_id()) {
          oprot.writeFieldBegin(FRAGMENT_INSTANCE_ID_FIELD_DESC);
          struct.fragment_instance_id.write(oprot);
          oprot.writeFieldEnd();
        }
      }
      oprot.writeFieldStop();
      oprot.writeStructEnd();
    }
    public void read(org.apache.thrift.protocol.TProtocol iprot, TCancelPlanFragmentParams struct)
        throws org.apache.thrift.TException {
      org.apache.thrift.protocol.TField schemeField;
      iprot.readStructBegin();
      while (true) {
        schemeField = iprot.readFieldBegin();
        if (schemeField.type == org.apache.thrift.protocol.TType.STOP) {
          break;
        }
        switch (schemeField.id) {
          case 1: // PROTOCOL_VERSION
            if (schemeField.type == org.apache.thrift.protocol.TType.I32) {
              struct.protocol_version = ImpalaInternalServiceVersion.findByValue(iprot.readI32());
              struct.setProtocol_versionIsSet(true);
            } else {
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          case 2: // FRAGMENT_INSTANCE_ID
            if (schemeField.type == org.apache.thrift.protocol.TType.STRUCT) {
              struct.fragment_instance_id = new com.cloudera.impala.thrift.TUniqueId();
              struct.fragment_instance_id.read(iprot);
              struct.setFragment_instance_idIsSet(true);
            } else {
              org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
            }
            break;
          default:
            org.apache.thrift.protocol.TProtocolUtil.skip(iprot, schemeField.type);
        }
        iprot.readFieldEnd();
      }
      iprot.readStructEnd();

      // check for required fields of primitive type, which can't be checked in the validate method
      struct.validate();
    }