Hi Oleg,
your proposal is a bit futuristic in the sense that passing in failures as
normal messages is something that I am only experimenting with for Akka 3
at the moment ;-)
Regards,
Roland
On Mon, Feb 10, 2014 at 10:27 PM, Oleg Zhurakousky <
oleg.zhurakou...@gmail.com> wrote:
> What if you consider Hot Swap Actor, then you could rely on
> become(behavior).
> Pseudo-coding:
> class CacheHotSwapActor extends Actor {
> def memCacheReceiveLoop:Receive = {
> // your code
> }
> def redisReceiveLoop:Receive = {
> // your code
> }
> def receive = {
> case java.net.ConnectException =>
> become(memCacheReceiveLoop)
> case ActorInitializationException =>
> become(memCacheReceiveLoop)
> case _ => become(redisReceiveLoop)
> }
> }
>
> At least this way you'd avoid vars and whatever problems it may lead to.
>
> Cheers
> Oleg
>
>
> On Mon, Feb 10, 2014 at 12:51 PM, Diego Balduini <
> nosferatored...@gmail.com> wrote:
>
>> Hello
>>
>> I want to swap between two cache implementations.
>> When the first fails, it swap to the second.
>> This is what i've came to. It works, but i wanna know if you guys have a
>> better way of doing this, because it seems that this solution is not a good
>> practice.
>>
>> // Actor
>>
>> val redisActor = context.actorOf(Props[RedisActor], "redis")
>> val memcachedActor = context.actorOf(Props[MemcachedActor], "memcached")
>>
>> var cache: ActorRef = memcachedActor
>> var state = 0
>>
>> override def supervisorStrategy = {
>> def swap() = state match {
>> case 0 =>
>> state = 1
>> cache = redisActor
>> Stop
>> case _ => Escalate
>> }
>>
>> OneForOneStrategy(maxNrOfRetries = 10, withinTimeRange = 1 minute) {
>> case e: java.net.ConnectException => swap
>> case e: ActorInitializationException => swap
>> }
>> }
>>
>>
>>
>>
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