@Override
public synchronized boolean setNextRow(Object... row) {
for (CollectExpression<?> collectExpression : collectExpressions) {
collectExpression.setNextRow(row);
}
for (AggregationCollector aggregationCollector : aggregationCollectors) {
aggregationCollector.processRow();
}
return upstreamFailure.get() == null;
}
@Override
public void startProjection() {
for (CollectExpression<?> collectExpression : collectExpressions) {
collectExpression.startCollect();
}
if (remainingUpstreams.get() <= 0) {
upstreamFinished();
}
}
