public void OnSubscribe(IDisposable d)
{
if (DisposableHelper.SetOnce(ref upstream, d))
{
if (d is IFuseableDisposable <T> fd)
{
var m = fd.RequestFusion(FusionSupport.AnyBoundary);
if (m == FusionSupport.Sync)
{
fusionMode = m;
Volatile.Write(ref queue, fd);
SetDone();
parent.Drain();
return;
}
if (m == FusionSupport.Async)
{
fusionMode = m;
Volatile.Write(ref queue, fd);
}
}
}
}
public override void OnSubscribe(IDisposable d)
{
if (DisposableHelper.SetOnce(ref upstream, d))
{
observer.OnSubscribe(this);
}
}
public void OnSubscribe(IDisposable d)
{
if (DisposableHelper.SetOnce(ref upstream, d))
{
if (next != null)
{
downstream.OnSubscribe(this);
}
}
}
public void OnSubscribe(IDisposable d)
{
DisposableHelper.SetOnce(ref upstream, d);
try
{
onSubscribe?.Invoke(this);
}
catch (Exception ex)
{
d.Dispose();
OnError(ex);
}
}
public IDisposable Subscribe(IObserver <T> observer)
{
var ccd = new CacheConsumerDisposable(observer, this, head);
Add(ccd);
if (Volatile.Read(ref once) == 0 && Interlocked.CompareExchange(ref once, 1, 0) == 0)
{
var d = source.Subscribe(this);
DisposableHelper.SetOnce(ref upstream, d);
cancel?.Invoke(this);
}
Drain(ccd);
return(ccd);
}
internal void OnSubscribe(IDisposable d)
{
DisposableHelper.SetOnce(ref upstream, d);
}
public override void OnSubscribe(IDisposable d)
{
DisposableHelper.SetOnce(ref upstream, d);
}
internal void SetConnection(IDisposable d)
{
DisposableHelper.SetOnce(ref connection, d);
}
