Struct ObserverManager 

pub struct ObserverManager { /* private fields */ }

Helper to manage multiple observers

Implementations

impl ObserverManager

pub fn new() -> Self

Create a new observer manager

pub fn add(&self, observer: Arc<dyn HiveObserver>)

Add an observer

pub fn remove(&self, observer: &Arc<dyn HiveObserver>)

Remove an observer (by Arc pointer equality)

pub fn notify(&self, event: HiveEvent)

Notify all observers of an event

pub fn count(&self) -> usize

Get the number of registered observers

Trait Implementations

impl Default for ObserverManager

Available on crate feature std only.

fn default() -> Self

Returns the “default value” for a type.