@Override
public void upstreamFailed(Throwable throwable) {
upstreamFailure.set(throwable);
if (remainingUpstreams.decrementAndGet() > 0) {
return;
}
if (downstream != null) {
downstream.upstreamFailed(throwable);
}
}
@Override
public void upstreamFinished() {
if (remainingUpstreams.decrementAndGet() > 0) {
return;
}
for (int i = 0; i < aggregationCollectors.length; i++) {
row[i] = aggregationCollectors[i].finishCollect();
}
if (downstream != null) {
downstream.setNextRow(row);
Throwable throwable = upstreamFailure.get();
if (throwable != null) {
downstream.upstreamFailed(throwable);
} else {
downstream.upstreamFinished();
}
}
}
