/* This is different from threadly's FutureUtils because
* we want logging progress as futures complete...Since
* these futures may take a VERY long time to complete.
* The alternative would be to add runnables to these
* so that we log out at 10% intervals, but that would assume
* that the futures complete mostly in order.
*/
public static void blockTillAllDone(List<Future<?>> futures) {
float doneCount = 0;
int lastReportedDonePercent = 0;
Iterator<Future<?>> it = futures.iterator();
while (it.hasNext()) {
try {
Future<?> f = it.next();
if (!f.isDone() || !it.hasNext()) {
// we take * 10 and / 10 so we can get one additional decimal of accuracy
int donePercent = (int) Math.round((doneCount / futures.size()) * 100 * 10);
if (donePercent != lastReportedDonePercent) {
lastReportedDonePercent = donePercent;
System.out.println("Progress: " + (donePercent / 10.) + "%");
}
f.get();
}
doneCount++;
} catch (InterruptedException e) {
ExceptionUtils.handleException(e);
return; // let thread exit
} catch (ExecutionException e) {
ExceptionUtils.handleException(e);
}
}
}
@Override
public void run() {
while (!stopped) {
try {
T next = getNext();
acceptor.acceptConsumedItem(next);
} catch (InterruptedException e) {
stop();
} catch (Throwable t) {
ExceptionUtils.handleException(t);
}
}
}
