/// <inheritdoc/>
public void Request(long n)
{
if (SubscriptionHelper.Validate(n))
{
if (Interlocked.CompareExchange(ref state, REQUESTED, READY) == READY)
{
actual.OnNext(value);
if (Volatile.Read(ref state) != CANCELLED)
{
actual.OnComplete();
}
}
}
}
/// <inheritdoc/>
public void Request(long n)
{
if (!SubscriptionHelper.Validate(n))
{
return;
}
for (;;)
{
int s = Volatile.Read(ref state);
if (s == CANCELLED || s == HAS_REQUEST_NO_VALUE || s == HAS_REQUEST_HAS_VALUE)
{
return;
}
if (s == NO_REQUEST_HAS_VALUE)
{
if (Interlocked.CompareExchange(ref state, HAS_REQUEST_HAS_VALUE, NO_REQUEST_HAS_VALUE) == NO_REQUEST_HAS_VALUE)
{
T v = value;
if (fusionState == EMPTY)
{
fusionState = HAS_VALUE;
}
actual.OnNext(v);
if (Volatile.Read(ref state) != CANCELLED)
{
actual.OnComplete();
}
return;
}
return;
}
if (Interlocked.CompareExchange(ref state, HAS_REQUEST_NO_VALUE, NO_REQUEST_NO_VALUE) == NO_REQUEST_NO_VALUE)
{
break;
}
}
}