@Override
public boolean startCollect() {
for (CollectExpression<?> collectExpression : collectExpressions) {
collectExpression.startCollect();
}
downStreamProjector.startProjection();
return true;
}
@Override
public boolean processRow() {
int i = 0;
if (inputs != null) {
for (Input<?> input : inputs) {
result[i++] = input.value();
}
}
downStreamProjector.setNextRow(result);
return false;
}