Struct EventBus 

pub struct EventBus { /* private fields */ }

Typed event bus for broadcasting RuntimeEvent instances.

Implementations

impl EventBus

pub fn new() -> Self

Create a new event bus with the default capacity.

pub fn with_capacity(capacity: usize) -> Self

Create a new event bus with a specific capacity.

pub fn publish(&self, event: RuntimeEvent)

Publish a typed event to all subscribers.

pub fn emit(&self, event_type: &str, source: &str, data: Value)

Convenience: publish a legacy Event by converting it to RuntimeEvent::Custom.

pub fn subscribe(&self) -> Receiver<RuntimeEvent>

Subscribe to all events (unfiltered).

pub fn subscribe_topics(&self, topics: HashSet<EventTopic>) -> TopicSubscriber

Subscribe with topic-based filtering (#94).

The returned TopicSubscriber only yields events whose topic is in the given set.

pub fn subscriber_count(&self) -> usize

Number of active subscribers.

Trait Implementations

impl Clone for EventBus

fn clone(&self) -> EventBus

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for EventBus

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for EventBus

fn default() -> Self

Returns the “default value” for a type.