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您好,我使用WFGraphTask模拟生成了DAG图,现在遇到一个问题,当某个图节点异常时,无法取消后续节点。 在当前节点调用series_of(),只能操作当前节点,因为图节点之间并不共享series。 请问有什么优雅的方式能取消后续节点的执行吗?
series_of()
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你好,这个问题我们也有其他用户提出过。目前来讲,还没有一个特别优雅的方案。你可以先看一下 WFDynamicTask,把可能需要取消的节点用dynamic task来构造,当节点要取消,把任务展开成WFEmptyTask就可以。注意不能展开成nullptr。 WFDynamicTask的接口:
using WFDynamicTask = WFGenericTask; using dynamic_create_t = std::function<SubTask *(WFDynamicTask *)>; class WFTaskFactory { static WFDynamicTask *create_dynamic_task(dynamic_create_t create); };
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如果有什么好的设计方案也可以讨论一下。
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您好,我使用WFGraphTask模拟生成了DAG图,现在遇到一个问题,当某个图节点异常时,无法取消后续节点。
在当前节点调用
series_of()
,只能操作当前节点,因为图节点之间并不共享series。请问有什么优雅的方式能取消后续节点的执行吗?
The text was updated successfully, but these errors were encountered: