public static <K extends BaseFuture> FutureDone<K[]> whenAllSuccess(final K... all) {
final AtomicInteger counter = new AtomicInteger();
final int size = all.length;
final FutureDone<K[]> futureDone = new FutureDone<K[]>();
for (final K future : all) {
future.addListener(
new BaseFutureAdapter<K>() {
@Override
public void operationComplete(final K future) throws Exception {
if (futureDone.isCompleted()) {
return;
}
if (future.isFailed()) {
// at least one future failed
futureDone.failed(future);
} else if (counter.incrementAndGet() == size) {
futureDone.done(all);
}
}
});
}
return futureDone;
}
public static <K extends BaseFuture> FutureDone<K> whenAny(final List<K> all) {
final FutureDone<K> futureDone = new FutureDone<K>();
for (final K future : all) {
future.addListener(
new BaseFutureAdapter<K>() {
@Override
public void operationComplete(final K future) throws Exception {
futureDone.done(future);
}
});
}
return futureDone;
}
public static <K extends BaseFuture> FutureDone<List<K>> whenAll(final List<K> all) {
final AtomicInteger counter = new AtomicInteger();
final int size = all.size();
final FutureDone<List<K>> futureDone = new FutureDone<List<K>>();
for (final K future : all) {
future.addListener(
new BaseFutureAdapter<K>() {
@Override
public void operationComplete(final K future) throws Exception {
if (counter.incrementAndGet() == size) {
futureDone.done(all);
}
}
});
}
return futureDone;
}
public static <K extends BaseFuture> FutureDone<K> whenAnySuccess(final List<K> all) {
final AtomicInteger counter = new AtomicInteger();
final int size = all.size();
final FutureDone<K> futureDone = new FutureDone<K>();
for (final K future : all) {
future.addListener(
new BaseFutureAdapter<K>() {
@Override
public void operationComplete(final K future) throws Exception {
if (futureDone.isCompleted()) {
return;
}
if (future.isSuccess()) {
futureDone.done(future);
} else if (counter.incrementAndGet() == size) {
futureDone.failed("not a single future was successful");
}
}
});
}
return futureDone;
}