broadcastPlanChannels.add(broadcastChannels);
}
final ArrayList<PlanNode> outputPlans = new ArrayList<PlanNode>();
final BinaryUnionOpDescriptor operator = new BinaryUnionOpDescriptor();
final RequestedLocalProperties noLocalProps = new RequestedLocalProperties();
final int dop = getDegreeOfParallelism();
final int inDop1 = getFirstPredecessorNode().getDegreeOfParallelism();
final int inDop2 = getSecondPredecessorNode().getDegreeOfParallelism();