yatel:hystrix:ForecastCommand.java

private class ForecastCommand extends HystrixObservableCommand<Forecast> {
    private final Destination destination;
    ...
    @Override
    protected Observable<Forecast> run() {
        return RxObservable.from(forecastWebTarget)
                .resolveTemplate("destination", destination.getDestination())
                .request().rx()
                .get(Forecast.class);
    }
    @Override
    protected Observable<Forecast> getFallback() {
        return Observable.just(new Forecast(destination.getDestination(), "N/A"));
    }
}