@Override public void storeSource(McastRoute route, ConnectPoint source) { MulticastData data = mcastRoutes.compute( route, (k, v) -> { if (v == null) { return new MulticastData(source); } else { v.setSource(source); } return v; }); if (data != null) { delegate.notify( new McastEvent( McastEvent.Type.SOURCE_ADDED, McastRouteInfo.mcastRouteInfo(route, data.sinks(), source))); } }