architecture/com.splendo.kaluga.architecture.observable/BasicObservable

BasicObservable

interface BasicObservable<R : T, T, OO : ObservableOptional<R>> : ReadOnlyProperty<Any?, OO> , Initial<R, T>

A read-only property that can be observed.

Parameters

T

the type of value to expect.

R

the type of result to expect. Must be a subclass of T.

OO

the type of ObservableOptional to store the result in.

Inheritors

InitializedObservable

UninitializedObservable

DefaultObservable

Properties

abstract val currentOrNull: T?

The current value T or null being observed

abstract val initialValue: ObservableOptional<T>

The initial ObservableOptional value of T.

Functions

abstract operator fun getValue(thisRef: Any?, property: KProperty<*>): OO

abstract fun observe(onNext: (R?) -> Unit): Disposable

Creates an observation that calls onNext each time a new value is observed until the resulting Disposable is disposed

toDefaultObservable

fun <R : T, T> ReadOnlyProperty<Any?, T?>.toDefaultObservable(defaultValue: R): ReadOnlyPropertyDefaultObservable<R, T?>

Converts a ReadOnlyProperty into a ReadOnlyPropertyDefaultObservable

toInitializedObservable

fun <T> ReadOnlyProperty<Any?, T>.toInitializedObservable(): ReadOnlyPropertyInitializedObservable<T>

Converts a ReadOnlyProperty into a ReadOnlyPropertyInitializedObservable