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SessionRegistry

Struct SessionRegistry 

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pub struct SessionRegistry<T, E = SessionError> { /* private fields */ }
Expand description

The sessions an engine is serving, keyed by the id the SDK gave them.

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impl<T: Clone, E: Clone + From<SessionError>> SessionRegistry<T, E>

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pub async fn resolve(&self, id: Uuid) -> Established<T, E>

The payload a request runs against, waiting for the session to be registered if its lifecycle event has not been applied yet.

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pub fn entry(&self, id: Uuid) -> Arc<SessionEntry<T, E>> ⓘ

The entry a lifecycle event publishes into, creating it if a request is not already waiting on one.

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pub fn established(&self, id: Uuid) -> Option<Established<T, E>>

How a session stands right now, without waiting for one or registering one.

This is what work that cannot wait resolves against — delivering a notification, say, which has nowhere to go if its session is gone.

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pub fn end(&self, id: Uuid) -> Option<Established<T, E>>

Ends a session, failing anything waiting on it.

The failure is published before the session is forgotten, so a request that outlived the handle it was made from fails rather than waiting for a session that has just gone away.

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pub fn close(&self)

Fails every session that has not been established, and every one asked for from now on, because no further lifecycle event can arrive.

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impl<T, E> Default for SessionRegistry<T, E>

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fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

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impl<T, E = SessionError> !Freeze for SessionRegistry<T, E>

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impl<T, E> RefUnwindSafe for SessionRegistry<T, E>
where Mutex<Entries<T, E>>: RefUnwindSafe,

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impl<T, E> Send for SessionRegistry<T, E>
where Mutex<Entries<T, E>>: Send,

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impl<T, E> Sync for SessionRegistry<T, E>
where Mutex<Entries<T, E>>: Sync,

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impl<T, E> Unpin for SessionRegistry<T, E>
where Mutex<Entries<T, E>>: Unpin,

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impl<T, E> UnsafeUnpin for SessionRegistry<T, E>
where Mutex<Entries<T, E>>: UnsafeUnpin,

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impl<T, E> UnwindSafe for SessionRegistry<T, E>
where Mutex<Entries<T, E>>: UnwindSafe,

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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<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> Same for T

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type Output = T

Should always be Self
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

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

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.
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impl<V, T> VZip<V> for T
where V: MultiLane<T>,

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fn vzip(self) -> V

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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> ⓘ
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self> ⓘ

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<G1, G2> Within<G2> for G1
where G2: Contains<G1>,

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fn is_within(&self, b: &G2) -> bool