Hi, Ivan
Thanks for your reply!
Could you give me some concrete code example on how to set/get a object via
TraceLocal?
for example, assuming I have below receiver in an actor:
...
case request: HttpRequest =>
become(handleAppRequest(request))
IO(Http) ! settings.toHostConnectorSetup
TraceLocal.set(new MyObject())
def handleAppRequest(request: ProxyRequest): Receive = {
case HostConnectorInfo(actor, _) =>
actor ! request
case response: HttpResponse =>
TraceLocal.get() should return the previous MyObject?
//send back to client
}
As you can see from the code, I want to inject some information into
TraceLocal and retrieve it back when got response
How to do it?
Thanks
Leon
在 2014年6月3日星期二UTC-7上午9时17分34秒，Ivan Topolnjak写道：
>
> Leon,
>
> your use case is very similar to the one we had a long time ago when we
> started developing Kamon.. The TraceLocalStorage is attached to a
> TraceContext, which is something that we create and propagate for all
> events related to the processing of a request, and when I say all events
> I'm including future's body/callbacks and actor supervision messages, not
> just regular tell. Once you finish a Trace you get metrics on how long did
> it take to process the entire Trace.. You can start/finish a Trace
> manually, but if you are using Spray or Play! then Kamon knows how/when to
> start and finish the traces for you. Probably this [1] example can help you
> get a better feeling on how to do it manually. Each TraceContext has a
> trace token, that seems to be the equivalent of the UUIDs that you were
> previously using. Also, we have something called "Segments" which represent
> something similar to the inner transactions you were talking about and
> allow you to get metrics on how this pieces of code perform inside each
> request.. Let me know if you want to explore this further, regards!
>
>
> [1] http://kamon.io/core/tracing/
>
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