mirror of
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46 lines
1.3 KiB
Python
46 lines
1.3 KiB
Python
"""插件持久化数据写用例。"""
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from typing import Protocol
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class PluginDataMutationRepository(Protocol):
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"""插件数据删除命令所需的无提交仓储端口。"""
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def stage_delete(self, plugin_id: str) -> None:
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"""暂存目标插件的全部持久化数据删除。"""
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...
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class UnitOfWork(Protocol):
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"""插件数据同步写用例所需的事务端口。"""
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def commit(self) -> None:
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"""提交当前逻辑操作。"""
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...
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def rollback(self) -> None:
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"""回滚当前逻辑操作。"""
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...
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class DeletePluginDataCommand:
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"""在一个显式事务中删除目标插件的全部持久化数据。"""
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def __init__(
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self,
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repository: PluginDataMutationRepository,
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unit_of_work: UnitOfWork,
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) -> None:
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"""保存无提交仓储和事务所有者。"""
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self._repository = repository
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self._unit_of_work = unit_of_work
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def execute(self, plugin_id: str) -> None:
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"""暂存并提交删除；任一步失败时回滚并传播原异常。"""
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try:
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self._repository.stage_delete(plugin_id)
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self._unit_of_work.commit()
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except Exception:
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self._unit_of_work.rollback()
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raise
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