def predict_class_distributed(self, data_rdd):
        """
        module predict, return the predict label

        :param data_rdd: the data to be predict.
        :return: An RDD represent the predict label.
        """
        result = callBigDlFunc(self.bigdl_type,
                               "modelPredictClass", self.value, data_rdd)
        return result
module predict, return the predict label

        :param data_rdd: the data to be predict.
        :return: An RDD represent the predict label.