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From Richard Hirsch <>
Subject Re: Stats code
Date Fri, 07 Aug 2009 09:56:19 GMT
Thanks. I'll try and create a deployment based on the patch and deploy
it to Stax on Monday.


On Thu, Aug 6, 2009 at 11:31 PM, Andy the
destroyer<> wrote:
> I uploaded the patch and modified scala-stats.jar to JIRA (
> -Andy
> On Wed, Aug 5, 2009 at 12:11 PM, Andy the destroyer <
>> wrote:
>> Hi Vassil,
>> If you look at the scala-stats library, you need to look at my fork of it
>> on my git-hub account ( I added some
>> more stats and JMX functionality that ESME is using. I provided a link note
>> in the pom section of the patch file. I am in contact with stevej it looks
>> like he is going to merge the changes I made into his master branch; I just
>> need to finish two more features and write the tests for them.
>> I am also working on some actors for the scala-stats lib. I would be
>> interested to see your approach regarding stats and actors.
>> I agree with you that retrieving stats with messages is a good idea. I even
>> started to look at what I would need to do to implement it. However, going
>> through the MsgParser was a nightmare. I am relatively new to Scala and very
>> new to parser combinators. With no comments in the code I found it very hard
>> to navigate my way through it and I moved on to other things.
>> As far as licensing goes, scala-stats is under apache license and aside
>> from specs only has one dependecy-- configgy, which is also under Apache and
>> it's only dependecy is MarkdownJ which is BSD. Actually, the configgy dep is
>> optional. We don't even need it to run with ESME. Although, it might be
>> worth looking at configgy to manage ESME configs. Just a thought..
>> I will submit the patch to the Jira ticket.
>> Keep the faith,
>> Andy
>> On Wed, Aug 5, 2009 at 4:42 AM, Vassil Dichev <> wrote:
>>> Thanks Andy, this looks like an efficient use of an external library.
>>> I just heard of stevej's library because it's used in Jonas Boner's
>>> new Akka actors library. I need to take a look into scala-stats and
>>> see what else we can use from this library.
>>> Incidentally, I'm also writing an actor for popularity stats- e.g.
>>> which messages have been resent the most in the last time period, or
>>> which links have been clicked the most, or which users have been using
>>> a certain tag/word, etc. The statistics from this actor should be
>>> available in a UI snippet for the user to see, but I see no reason
>>> that it shouldn't also be available via JMX.
>>> As an aside, we could also make an action in a way that we can emulate
>>> a JMX console bot within ESME. For instance, you write a message with
>>> text "stats usersLoggedIn" and you get back a message with the user
>>> count.
>>> I guess after trying the patch we need to check the licenses of the
>>> used scala-stats library *and* its dependencies (if any). I am not
>>> sure what the exact procedure is for accepting a patch- I think we
>>> need a JIRA item with an attached patch where you click a license
>>> agreement.
>>> Thanks again, it's nice to see find ESME fun to work on!
>>> Vassil

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