public void stop() throws Exception {
if (closed()) return;
if (later != null && later.closed()) { // Our later finished
meter.add(later.result().stripe.size); // If an exception closed later, throw it
later = null; // Discard the closed later, now in() and out() will work
}
if (meter.isDone()) close(); // All done
}
public boolean isEmpty() {
return later == null
&& // No later using our bins
in.isEmpty()
&& // No data
meter.isEmpty(); // No responsibility to do more
}
public void start() {
if (closed()) return;
if (!meter.isDone() && later == null && in.hasData())
later = new UploadTask(update, socket, meter.remain(), in);
}