1234567891011121314151617181920212223242526272829303132333435363738394041424344454647 |
- using System;
- namespace UniRx.Operators
- {
- internal class OfTypeObservable<TSource, TResult> : OperatorObservableBase<TResult>
- {
- readonly IObservable<TSource> source;
- public OfTypeObservable(IObservable<TSource> source)
- : base(source.IsRequiredSubscribeOnCurrentThread())
- {
- this.source = source;
- }
- protected override IDisposable SubscribeCore(IObserver<TResult> observer, IDisposable cancel)
- {
- return source.Subscribe(new OfType(observer, cancel));
- }
- class OfType : OperatorObserverBase<TSource, TResult>
- {
- public OfType(IObserver<TResult> observer, IDisposable cancel)
- : base(observer, cancel)
- {
- }
- public override void OnNext(TSource value)
- {
- if (value is TResult)
- {
- var castValue = (TResult)(object)value;
- observer.OnNext(castValue);
- }
- }
- public override void OnError(Exception error)
- {
- try { observer.OnError(error); } finally { Dispose(); }
- }
- public override void OnCompleted()
- {
- try { observer.OnCompleted(); } finally { Dispose(); }
- }
- }
- }
- }
|