yes now I just using the context.child(name),cause I found that actorCell
is using TreeMap,so if I want to achieve O(1),should I put an hashMap In my
Actor implement?I found just as what you said,the RouterLogic is not the
right approach for me.
thanks for the answer
在 2014年5月9日星期五UTC+8上午2时59分29秒，Akka Team写道：
>
> The way you would approach this depends very much on what you want to
> achieve: is it enough if your router can handle a million messages per
> second? If that is the case then I would recommend just writing your own
> actor implementing exactly what you want, not using any of the RouterLogic
> infrastructure (since that is geared towards a more generic an reusable
> goal). That would also mean that you do not need to worry about
> synchronization issues at all (and as a hint: ConcurrentHashMap is not the
> most scalable choice, especially if reads are far more frequent than
> updates).
>
> Using a normal actor which creates children of known names sounds like a
> good plan to me, the complexity of `context.child(name)` is O(log n) (it
> uses a TreeMap).
>
> Regards,
>
> Roland
>
>
>
> On Wed, May 7, 2014 at 4:26 AM, 何品 <hepi...@gmail.com <javascript:>>wrote:
>
>> Hi I was trying to implement an router which could router a message to an
>> specified routee via the message's key.just as the ConsistentHashRouter.
>> when I look at the selected method ,the comes out routees are in an
>> immutable seq,but not a map<String,Routee>,so if I want to selected one of
>> the routee
>> I should iterate the routee in the seq? or I should use my one implement?
>>
>> I have checked the ConsistentHashRouter's logic,it has an inner map and
>> an transform the data in the seq to map,and selected on the map if the
>> passed in seq has not changed otherwise will rebuild the map.
>>
>> So ,I was wondering,If I want to implement on hash based one should I use
>> the concorrentHashMap for the treadsafe? and how about the
>> actorRef.getContext().child("name")?
>> should it be O(1),is it based on hash in the inner implement?
>>
>> all in all,
>> 1,if I want to implement an hash based router ,in the logic implement i
>> must transform the seq to hashmap right?
>> 2,the child(name:String) to selecte an child of an parent Actor is O(1)?
>>
>>
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