vertx.eventBus().registerHandler(String.format("%s.%s.change", context.name(), context.name()), new Handler<Message<JsonObject>>() {
@Override
public void handle(Message<JsonObject> message) {
String event = message.body().getString("type");
if (event.equals("change") && message.body().getString("value") != null) {
active.update(Contexts.<NetworkContext>deserialize(new JsonObject(message.body().getString("value"))));
}
}
}, new Handler<AsyncResult<Void>>() {
@Override
public void handle(AsyncResult<Void> result) {