Struct NeedsEpochs

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pub struct NeedsEpochs<K, V, T>(/* private fields */);

Expand description

Intermediate builder for a timestamped stream. Turn this type into a stream by calling generate_epochs or generate_periodic_epochs on it

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impl<K, V, T> GenerateEpochs<K, V, T> for NeedsEpochs<K, V, T>
where K: MaybeKey, T: Timestamp + Serialize + DeserializeOwned, V: MaybeData,

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fn generate_epochs( self, name: &str, gen: impl FnMut(&DataMessage<K, V, T>, &Option<T>) -> Option<T> + 'static, ) -> (StreamBuilder<K, V, T>, StreamBuilder<K, V, T>)

Generates Epochs from data. This operator takes a function which may create a new epoch for any DataMessage arriving at this Operator. To not create a new Epoch, the function must return None. Read more

Auto Trait Implementations§

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impl<K, V, T> UnsafeUnpin for NeedsEpochs<K, V, T>
where T: UnsafeUnpin,

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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> Instrument for T

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

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into 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> IntoEither for T

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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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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

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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