"""DbDataSource - 数据库数据源协调层。"""

from __future__ import annotations

from ..datasource import BaseDataSource


class DbDataSource(BaseDataSource):
    """基于数据库 Handler 的数据源实现。"""

    async def close(self) -> None:
        return None

    def _on_node_loaded(self, handler, node) -> None:
        node.append_log(
            f"DB链路[load] node_type={node.node_type} data_id={node.data_id or '<empty>'}"
        )

    def _on_in_progress_result(self, handler, node, result) -> None:
        node.append_log(
            f"DB链路[submit] action={node.action.value} data_id={node.data_id or '<empty>'}"
        )