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InMemoryCheckpointer

Struct InMemoryCheckpointer 

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pub struct InMemoryCheckpointer<S>
where S: GraphStateTrait,
{ /* private fields */ }
Expand description

纯内存版检查点存储,用于开发与测试。

  • 按节点 id 存储最新一次执行后的状态快照;
  • 使用互斥锁保证线程安全;
  • 仅适用于单进程、低并发场景。

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impl<S> InMemoryCheckpointer<S>
where S: GraphStateTrait,

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pub fn new() -> Self

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pub fn get(&self, node_id: &str) -> Option<S>

Trait Implementations§

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impl<S> Checkpointer<S> for InMemoryCheckpointer<S>
where S: GraphStateTrait,

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fn save_state(&self, node_id: &str, state: &S) -> Result<()>

保存指定节点执行后的完整状态快照。
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fn load_state(&self, node_id: &str) -> Result<Option<S>>

加载某个节点最近一次保存的状态快照。 Read more

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.