KState/ca.acendas.kstate.observers/StateChangeNotifier

StateChangeNotifier

Thread-safe notifier for state changes.

This class manages a collection of observers and notifies them when state changes occur. It provides thread-safe registration and unregistration of observers, and handles observer exceptions gracefully.

Parameters

The type of state being observed

Constructors

StateChangeNotifier

constructor()

Properties

hasObservers

val hasObservers: Boolean

Returns true if any observers are registered.

observerCount

val observerCount: Int

Returns the number of registered observers.

Functions

addObserver

fun addObserver(observer: StateObserver<T>): Boolean

Adds an observer to receive state change notifications.

asObserver

fun asObserver(): StateObserver<T>

Creates a StateObserver that forwards notifications to this notifier.

clearObservers

fun clearObservers()

Removes all observers.

notifyStateChanged

fun notifyStateChanged(oldState: T, newState: T)

Notifies all registered observers of a state change.

removeObserver

fun removeObserver(observer: StateObserver<T>): Boolean

Removes an observer from receiving state change notifications.