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ObserverContext

Struct ObserverContext 

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pub struct ObserverContext<'a, H = Supervisor> { /* private fields */ }

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impl<H> ObserverContext<'_, H>

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pub fn observer_id(&self) -> &'static str

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pub fn activation_id(&self) -> ActivationId

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pub fn resource<T: Send + Sync + 'static>( &self, ) -> Result<Arc<T>, ResourceError>

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pub fn tick(&self) -> &Tick

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pub fn host(&self) -> &H

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pub fn extension<T: Send + Sync + 'static>(&self) -> Option<&T>

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impl ObserverContext<'_, Supervisor>

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pub fn supervisor(&self) -> &Supervisor

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impl<H> ObserverContext<'_, H>

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pub async fn publish<V: Send>(&self, value: V) -> Result<(), H::Error>
where H: ObserverPublisher<V>,

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pub async fn publish_on<S: StreamSpec>( &self, row: &S::Row, ) -> Result<(), H::Error>
where S::Row: Sync, H: ObserverStreamPublisher<S>,

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pub async fn call<C>( &self, request: H::Request, ) -> Result<H::Response, H::Error>
where H: ObserverCaller<C>,

Auto Trait Implementations§

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impl<'a, H = Supervisor> !RefUnwindSafe for ObserverContext<'a, H>

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impl<'a, H = Supervisor> !UnwindSafe for ObserverContext<'a, H>

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impl<'a, H> Freeze for ObserverContext<'a, H>
where &'a H: Freeze,

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impl<'a, H> Send for ObserverContext<'a, H>
where &'a H: Send,

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impl<'a, H> Sync for ObserverContext<'a, H>
where &'a H: Sync,

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impl<'a, H> Unpin for ObserverContext<'a, H>
where &'a H: Unpin,

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impl<'a, H> UnsafeUnpin for ObserverContext<'a, H>

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<C, T> Catalogued<C> for T
where T: Into<C>,

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fn catalogued(self) -> C

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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> Mutual<T> for T

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impl<R> RecordProjection<R> for R

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fn project(&self) -> Option<&R>

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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<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