Struct InvocationHandle

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pub struct InvocationHandle { /* private fields */ }

Expand description

A handle to an invocation.

You can obtain an InvocationHandle in three ways:

From ContextClient::invocation_handle, when you already know the invocation id.
By .await-ing the SendHandle returned by Request::send/Request::send_after.
By .await-ing CallFuture::invocation_handle.

Once obtained, the invocation id is known synchronously via InvocationHandle::invocation_id.

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impl InvocationHandle

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pub fn invocation_id(&self) -> &str

The invocation id of the target invocation.

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pub fn cancel(&self)

Cancel the invocation.

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pub fn attach<T: Deserialize + 'static>( &self, ) -> impl DurableFuture<Output = Result<T, TerminalError>> + Send + use<T>

Attach to the invocation, returning a future that resolves with its output/result.

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pub fn signal(&self, name: impl Into<String>) -> SignalHandle

Get a handle to a named signal on this invocation, which you can resolve or reject.

Auto Trait Implementations§

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impl UnwindSafe for InvocationHandle

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> 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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