Thank you so much, very good solution!
On Monday, July 27, 2015 at 11:12:50 AM UTC-3, √ wrote:
>
> maxSpeedsSource = Source.actorPublisher + expand
> carStatusSource = some source of CarStatus
> isSpeedingFlow = Flow[(CarStatus, Double)].map { case (status, speed) =>
> status.speed > speed }
>
> So your logic becomes something like: carStatusSouce zip maxSpeedsSource
> via isSpeedingFlow
>
> On Mon, Jul 27, 2015 at 4:02 PM, <[email protected] <javascript:>>
> wrote:
>
>> ActorPublish is a Source, my problem is in a Flow stage. But I can
>> understanding wrong
>> On Monday, July 27, 2015 at 10:59:14 AM UTC-3, √ wrote:
>>>
>>> Unfortunately, it is not only strange, it is also broken (global state +
>>> unmanaged concurrent access).
>>> What was wrong with my suggestions?
>>>
>>> On Mon, Jul 27, 2015 at 3:49 PM, <[email protected]> wrote:
>>>
>>>> This solve my problem, but seems strange:
>>>>
>>>> object SpeedViolation {
>>>> var state: Option[Double] = None
>>>>
>>>> def apply(maxSpeed: Double) = {
>>>> state = Some(maxSpeed)
>>>> Flow[(CarStatus, Option[Double])].map((params) => {
>>>> val (carStatus, speed) = params
>>>> state = speed orElse state
>>>> carStatus.speed > state.get
>>>> })
>>>> }
>>>> }
>>>>
>>>>
>>>> The flow input is a tuple, the element I want process and a Option
>>>> parameter. What do you think?
>>>>
>>>> On Monday, July 27, 2015 at 9:24:34 AM UTC-3, Matheus Lima wrote:
>>>>
>>>>> How can I create a dynamic flow? I'm developing a stream processing
>>>>> application and I have a specific stage that I need perform a calculation
>>>>> over input considering a parameter. And I need change this parameter
>>>>> dynamically. For example:
>>>>> case class CarStatus(position: Position, speed: Double)
>>>>> Flow[CarStatus].map(_.speed > 80)
>>>>> How can I transform 80 in a dynamic parameter?
>>>>> Thank you.
>>>>>
>>>> --
>>>> >>>>>>>>>> Read the docs: http://akka.io/docs/
>>>> >>>>>>>>>> Check the FAQ:
>>>> http://doc.akka.io/docs/akka/current/additional/faq.html
>>>> >>>>>>>>>> Search the archives:
>>>> https://groups.google.com/group/akka-user
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>>>>
>>>
>>>
>>>
>>> --
>>> Cheers,
>>> √
>>>
>>
>
>
> --
> Cheers,
> √
>
--
>>>>>>>>>> Read the docs: http://akka.io/docs/
>>>>>>>>>> Check the FAQ:
>>>>>>>>>> http://doc.akka.io/docs/akka/current/additional/faq.html
>>>>>>>>>> Search the archives: https://groups.google.com/group/akka-user
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