Struct MessageBus

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pub struct MessageBus<T, U>where
    T: Clone + Send + 'static,
    U: Clone + Send + 'static,
{ /* private fields */ }

Expand description

Generic message bus for bidirectional messaging

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impl<T, U> MessageBus<T, U>
where T: Clone + Send + 'static, U: Clone + Send + 'static,

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pub fn new(capacity: usize) -> Self

Create a new message bus with specified capacity

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pub fn default_capacity() -> Self

Create with default capacity (100)

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pub async fn publish_inbound(&self, msg: T) -> Result<(), SendError<T>>

Publish an inbound message

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pub fn subscribe_inbound(&self) -> Receiver<T>

Subscribe to inbound messages

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pub async fn publish_outbound(&self, msg: U) -> Result<(), SendError>

Publish an outbound message

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pub fn subscribe_outbound(&self) -> Receiver

Subscribe to outbound messages

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pub async fn subscribe_outbound_key<F, Fut>(&self, key: String, callback: F)
where F: Fn(U) -> Fut + Send + Sync + 'static, Fut: Future<Output = ()> + Send + 'static,

Subscribe to outbound messages for a specific routing key with a callback

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pub fn inbound_subscriber_count(&self) -> usize

Get the number of inbound subscribers

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pub fn outbound_subscriber_count(&self) -> usize

Get the number of outbound subscribers

Trait Implementations§

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impl<T, U> Clone for MessageBus<T, U>
where T: Clone + Send + 'static + Clone, U: Clone + Send + 'static + Clone,

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fn clone(&self) -> MessageBus<T, U>

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<T, U> Default for MessageBus<T, U>
where T: Clone + Send + 'static, U: Clone + Send + 'static,

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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, U> !UnwindSafe for MessageBus<T, U>

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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> 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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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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