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ContextMessage

varpulis_runtime::context

Enum ContextMessage 

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pub enum ContextMessage {
    Event(SharedEvent),
    CheckpointBarrier(CheckpointBarrier),
    WatermarkUpdate {
        source_context: String,
        watermark_ms: i64,
    },
}
Expand description

Messages sent through context channels.

Wraps either a regular event or a checkpoint barrier for exactly-once semantics.

Variants§

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Event(SharedEvent)

A regular event to process

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CheckpointBarrier(CheckpointBarrier)

A checkpoint barrier — triggers state snapshot

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WatermarkUpdate

Watermark update from an upstream context

Fields

§source_context: String
§watermark_ms: i64

Trait Implementations§

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impl Clone for ContextMessage

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fn clone(&self) -> ContextMessage

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for ContextMessage

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl<T> Any for T
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Gets the TypeId of self. Read more
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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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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fn __clone_box(&self, _: Private) -> *mut ()

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impl<T> From<T> for T

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fn from(t: T) -> T

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fn instrument(self, span: Span) -> Instrumented<Self>

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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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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

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unsafe fn deref<'a>(ptr: usize) -> &'a T

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Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
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Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
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type Output = T

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type Owned = T

The resulting type after obtaining ownership.
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type Error = Infallible

The type returned in the event of a conversion error.
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type Error = <U as TryFrom<T>>::Error

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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