@Override
    public void setFieldValue(_Fields field, @org.apache.thrift.annotation.Nullable java.lang.Object value) {
      switch (field) {
      case EVALUATION_EXPRESSION:
        if (value == null) {
          unsetEvaluationExpression();
        } else {
          setEvaluationExpression((java.lang.String)value);
        }
        break;

      case VALUE:
        if (value == null) {
          unsetValue();
        } else {
          setValue((java.lang.String)value);
        }
        break;

      }
    }
@Override
    public void setFieldValue(_Fields field, @org.apache.thrift.annotation.Nullable java.lang.Object value)