474849505152535455
} @Override protected void describe() { CoGroupFlowFactory f = new CoGroupFlowFactory(); Op1 st1 = f.op1(in); Op1 st2 = f.op1(st1.r1); out.add(st2.r1); }
5455565758596061
} @Override protected void describe() { CoGroupFlowFactory f = new CoGroupFlowFactory(); Op1 op = f.op1(in1); out1.add(op.r1); }