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);
}
/** Make an UploadValve that will upload data into socket. */
public UploadValve(Update update, Socket socket, Range range) {
this.update = update;
this.socket = socket;
meter = new Meter(range);
in = Bin.medium();
}