/// <summary>
/// Subscribes the given completable observer to this subject
/// and relays/replays the terminal events of the subject.
/// </summary>
/// <param name="observer">The completable observer that wants to listen to the terminal events.</param>
public void Subscribe(ISingleObserver <T> observer)
{
var inner = new InnerDisposable(observer, this);
observer.OnSubscribe(inner);
if (Add(inner))
{
if (inner.IsDisposed())
{
Remove(inner);
}
}
else
{
if (!inner.IsDisposed())
{
var ex = Volatile.Read(ref error);
if (ex == null)
{
observer.OnSuccess(value);
}
else
{
observer.OnError(ex);
}
}
}
}
/// <summary>
/// Subscribes the given completable observer to this subject
/// and relays/replays the terminal events of the subject.
/// </summary>
/// <param name="observer">The completable observer that wants to listen to the terminal events.</param>
public void Subscribe(ICompletableObserver observer)
{
var inner = new InnerDisposable(observer, this);
observer.OnSubscribe(inner);
if (Add(inner))
{
if (inner.IsDisposed())
{
Remove(inner);
}
}
else
{
if (!inner.IsDisposed())
{
var ex = Volatile.Read(ref error);
if (ex == ExceptionHelper.TERMINATED)
{
observer.OnCompleted();
}
else
{
observer.OnError(ex);
}
}
}
}
public void Subscribe(ICompletableObserver observer)
{
var inner = new InnerDisposable(observer, this);
observer.OnSubscribe(inner);
if (Add(inner))
{
if (inner.IsDisposed())
{
Remove(inner);
}
}
else
{
if (!inner.IsDisposed())
{
var ex = Volatile.Read(ref error);
if (ex == ExceptionHelper.TERMINATED)
{
observer.OnCompleted();
}
else
{
observer.OnError(ex);
}
}
return;
}
var src = Volatile.Read(ref source);
if (src != null)
{
src = Interlocked.Exchange(ref source, null);
if (src != null)
{
var a = cancel;
cancel = null;
a?.Invoke(this);
src.Subscribe(this);
}
}
}