open fun <T : Any> rxExecuteCommandWithFallback(command: Handler<Future<T>>, fallback: Function<Throwable, T>): Single<T>
Same as io.vertx.rxjava.circuitbreaker.CircuitBreaker#executeWithFallback but using a callback.
io.vertx.rxjava.circuitbreaker.CircuitBreaker#executeWithFallback
command - the operation
command
fallback - the fallback
fallback
Return