I see what you mean. One way around it is to:
when(StartedState) {
case Event(..., ...) =>
...
val evt = BidPlaced(...)
val replyData = applyEvent(evt, stateData)
stay applying evt *replying BidPlacedReply(replyData)*
}
/Patrik
On Sat, May 20, 2017 at 6:13 PM, Francois Ferrari <f.ferr...@wanadoo.fr>
wrote:
> Hi
>
> I'm using akka with PersistentFSM and would like to be able to reply to a
> message using the stateData value after the event has been applied
>
> when(StartedState) {
> case Event(..., ...) =>
> ...
> stay applying BidPlaced(...) *replying BidPlacedReply(stateData)*
> }
>
> BidPlacedReply is an object with an apply method that allows to construct
> a BidPlacedReply based on some fields of my stateData, for example I would
> like to be able to reply with a BidPlacedReply containing the current
> highest bidder id, highest bidder price, ... and this values are computed
> in the applyEvent which modifies the state and produces the "stateAfter".
>
> Unfortunatly the "replying BidPlacedReply(stateData)" method calls the
> BidPlacedReply.apply method with the stateData value before the applyEvent
> has been applied (that's what I see in my logs),
>
> How can I reply with the stateData value corresponding to the result of
> the applyEvent (o the stateData "after") ?
>
>
>
> --
> >>>>>>>>>> Read the docs: http://akka.io/docs/
> >>>>>>>>>> Check the FAQ: http://doc.akka.io/docs/akka/
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--
Patrik Nordwall
Akka Tech Lead
Lightbend <http://www.lightbend.com/> - Reactive apps on the JVM
Twitter: @patriknw
--
>>>>>>>>>> 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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