Struct EventListener

pub struct EventListener<T, E> {
    id: EventListenerID,
    recv_chan: Receiver<Event>,
    event_emitter: Weak<EventEmitter<T>>,
    event_id: String,
    topic: T,
    phantom: PhantomData<E>,
}

EventListener listens for and receives events from the EventEmitter.

Fields

id: EventListenerID

recv_chan: Receiver<Event>

event_emitter: Weak<EventEmitter<T>>

event_id: String

topic: T

phantom: PhantomData<E>

Implementations

impl<T, E> EventListener<T, E>

where T: Hash + Eq + Clone + Debug, E: EventValueAny + Clone + EventValue,

fn new( id: EventListenerID, event_emitter: Weak<EventEmitter<T>>, recv_chan: Receiver<Event>, event_id: &str, topic: &T, ) -> EventListener<T, E>

Creates a new EventListener.

pub async fn recv(&self) -> Result<E>

Receives the next event.

pub async fn cancel(&self)

Cancels the event listener and removes it from the EventEmitter.

pub fn topic(&self) -> &T

Returns the topic for this event listener.

pub fn event_id(&self) -> &String

Returns the event id for this event listener.