public void handle(AsyncResult<Cluster> result) {
assertTrue(result.succeeded());
final NetworkConfig network = vertigo.createNetwork("test-undeploy-by-config");
network.addVerticle("feeder", TestFeeder.class.getName());
network.addVerticle("worker1", TestWorker.class.getName(), 2);
network.createConnection("feeder", "stream1", "worker", "stream1");
network.addVerticle("worker2", TestWorker.class.getName(), 2);
network.createConnection("feeder", "stream2", "worker", "stream2");
final Cluster cluster = result.result();
cluster.deployNetwork(network, new Handler<AsyncResult<ActiveNetwork>>() {