Hey Konrard,
thanks for your input. I'll look into it.
On Tuesday, August 5, 2014 6:22:30 PM UTC+2, Konrad Malawski wrote:
>
> Hi Maatary,
> This is more of an architectural question, not really limited to Actors.
>
> If I get that right you're worried about evolution in system B forcing
> system A to evolve as well, but you'd rather not change both systems, as
> essentially A can stay as is, right?
> So instead of directly storing data ("Commands") from system A (this I
> understand as "as A's datatypes") receive the command, and emit (persist)
> new datatypes which will represent *your* representation of that data (so
> "Events").
> Basically, have something convert stuff from world A to world B, and then
> work on it in world B.
>
> Not sure if this helps, try reading up on Domain Driven Design, which may
> help you find your way about designing such systems.
>
> PS: This has been cross posted to stack overflow:
> http://stackoverflow.com/questions/25139100/how-to-isolate-actor-data-model
> Please try using one medium to ask your question at first, otherwise we,
> the people of the internets, duplicate efforts and discussions. :-)
>
>
> On Tue, Aug 5, 2014 at 2:42 PM, Maatary Okouya <maatar...@gmail.com
> <javascript:>> wrote:
>
>> I'm
>>
>> in the process of transforming the architecture of my system, which at
>> the level i am interested in, is not multi-threaded for now.
>>
>> Let say today i have a component A that communicate with a component B
>> via a command pattern to isolate one another from each other. So as we all
>> know only the command actually bridge them. The Good thing is only the
>> command implementation has to change if one of the component implementation
>> has to change. In my situation component B will evolve over time.
>>
>> I was wondering how to replicate that with Akka Actor. Indeed i believe
>> with actors, indeed command do not have the right to manipulate the content
>> of an actor or whatever the actor encapsulate.
>>
>> So i would like to know how should this pattern be change to meet actor
>> requirement.
>>
>> In my particular case, my command contains data from A that based on the
>> nature of the command trigger the creation of Data in B following its data
>> model.
>>
>> Just to give a clue: B is a component that wrap a semantic database. In A
>> we have some java object. It is not their representation as is that has to
>> be entered in B. Think of it like you have a language (we represent with
>> object the sentences that you can form with it) and its semantic that we
>> represent with triples. A is a component that observe message (in that
>> language) and trigger the command that create the appropriate semantic in
>> B. B does some reasoning with this semantic and monitor it over time.
>>
>> (This is a gross simplification but it is just to give a context)
>>
>> PS:
>>
>> I'm new in the Actor field.
>>
>> --
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>
>
>
> --
> Cheers,
> Konrad 'ktoso' Malawski
> hAkker @ Typesafe
>
> <http://typesafe.com>
>
--
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>>>>>>>>>> Check the FAQ:
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