public void OnNext(R element)
{
if (fusionMode == FusionSupport.NONE)
{
parent.InnerNext(this, element);
}
else
{
parent.Drain();
}
}
public void OnSubscribe(ISubscription s)
{
if (SubscriptionHelper.SetOnce(ref this.s, s))
{
var qs = s as IQueueSubscription <R>;
if (qs != null)
{
int m = qs.RequestFusion(FuseableHelper.ANY);
if (m == FuseableHelper.SYNC)
{
fusionMode = m;
queue = qs;
Volatile.Write(ref done, true);
parent.Drain();
}
else
if (m == FuseableHelper.ASYNC)
{
fusionMode = m;
queue = qs;
s.Request(prefetch < 0 ? long.MaxValue : prefetch);
return;
}
}
queue = QueueDrainHelper.CreateQueue <R>(prefetch);
s.Request(prefetch < 0 ? long.MaxValue : prefetch);
}
}