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DelegatingExecutor

Struct DelegatingExecutor 

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pub struct DelegatingExecutor { /* private fields */ }
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委托执行器:一个线程都不拥有,把就绪节点交还宿主线程跑。

submit 只入队,真正执行发生在宿主进入阻塞接口或主动调用 Graph::pump_step 时。 同一张图的委托任务由图级原子闸门保证零并发。

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impl DelegatingExecutor

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pub fn new(name: &str) -> Self

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pub fn name(&self) -> &str

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pub fn submit(&self, node: NodeId) -> bool

入队待宿主抽取。委托执行器没有已关停状态,故恒返回 true。

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pub fn pending(&self) -> usize

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pub fn take(&self) -> Option<NodeId>

弹一个待办交给宿主线程跑;None = 队列空。

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pub fn complete(&self, execution: Option<Duration>)

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pub fn clear(&self)

清空队列(reset 用:上一轮的残留不能带进下一轮)。

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pub fn reset_stats(&self)

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type Error = <U as TryFrom<T>>::Error

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