Struct ClusterEventBus 

pub struct ClusterEventBus { /* private fields */ }

In-process cluster events bus.

Implementations

impl ClusterEventBus

pub fn new() -> Self

pub fn subscribe<F>(&self, callback: F) -> SubscriptionHandle

where F: Fn(&ClusterEvent) + Send + Sync + 'static,

Register a subscriber that fires on every event. Returns a handle whose Drop removes the subscription.

pub fn publish(&self, event: ClusterEvent)

Publish an event to all current subscribers, synchronously, in registration order. Subscribers must not block.

pub fn subscriber_count(&self) -> usize

Number of currently registered subscribers.

Trait Implementations

impl Clone for ClusterEventBus

fn clone(&self) -> ClusterEventBus

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Default for ClusterEventBus

fn default() -> ClusterEventBus

Returns the “default value” for a type.