public void setFieldValue(_Fields field, @org.apache.thrift.annotation.Nullable java.lang.Object value) {
    switch (field) {
    case OPERATION_ID:
      if (value == null) {
        unsetOperationId();
      } else {
        setOperationId((THandleIdentifier)value);
      }
      break;

    case OPERATION_TYPE:
      if (value == null) {
        unsetOperationType();
      } else {
        setOperationType((TOperationType)value);
      }
      break;

    case HAS_RESULT_SET:
      if (value == null) {
        unsetHasResultSet();
      } else {
        setHasResultSet((java.lang.Boolean)value);
      }
      break;

    case MODIFIED_ROW_COUNT:
      if (value == null) {
        unsetModifiedRowCount();
      } else {
        setModifiedRowCount((java.lang.Double)value);
      }
      break;

    }
  }
Returns true if field modifiedRowCount is set (has been assigned a value) and false otherwise
service-rpc/src/gen/thrift/gen-javabean/org/apache/hive/service/rpc/thrift/TOperationHandle.java