def _pad_batch_records(self, batch_records):
        batch_token_ids = [record.token_ids for record in batch_records]
        batch_text_type_ids = [
            record.text_type_ids for record in batch_records
        ]
        batch_position_ids = [record.position_ids for record in batch_records]
        batch_label_ids = [record.label_ids for record in batch_records]

        # padding
        padded_token_ids, input_mask, batch_seq_lens = pad_batch_data(
            batch_token_ids,
            pad_idx=self.pad_id,
            return_input_mask=True,
            return_seq_lens=True)
        padded_text_type_ids = pad_batch_data(batch_text_type_ids,
                                              pad_idx=self.pad_id)
        padded_position_ids = pad_batch_data(batch_position_ids,
                                             pad_idx=self.pad_id)
        padded_label_ids = pad_batch_data(batch_label_ids,
                                          pad_idx=len(self.label_map) - 1)

        return_list = [
            padded_token_ids, padded_text_type_ids, padded_position_ids,
            input_mask, padded_label_ids, batch_seq_lens
        ]
        return return_list
    def _pad_batch_records(self, batch_records):
        batch_token_ids = [record.token_ids for record in batch_records]
        batch_text_type_ids = [
            record.text_type_ids for record in batch_records
        ]
        batch_position_ids = [record.position_ids for record in batch_records]
        batch_labels = [record.label_id for record in batch_records]
        batch_labels = np.array(batch_labels).astype("int64").reshape([-1, 1])

        # padding
        padded_token_ids, input_mask, seq_lens = pad_batch_data(
            batch_token_ids,
            pad_idx=self.pad_id,
            return_input_mask=True,
            return_seq_lens=True)
        padded_text_type_ids = pad_batch_data(batch_text_type_ids,
                                              pad_idx=self.pad_id)
        padded_position_ids = pad_batch_data(batch_position_ids,
                                             pad_idx=self.pad_id)

        return_list = [
            padded_token_ids, padded_text_type_ids, padded_position_ids,
            input_mask, batch_labels, seq_lens
        ]

        return return_list