@Override
protected void describe() {
ExOperatorFactory f = new ExOperatorFactory();
CoreOperatorFactory core = new CoreOperatorFactory();
Update update = f.update(in1, 10);
Branch bra = f.branch(update.out);
Cogroup cog = f.cogroup(core.confluent(bra.yes, bra.cancel), in2);
core.stop(bra.no);
out1.add(cog.r1);
out2.add(cog.r2);
}