XP Manchester

11th October – CQRS / ES, Gently.

with 2 comments

October’s meetup we’ll be looking at the Command Query Segregation Principle (CQRS) and a complementary technique called Event Sourcing for handling data persistence.

Over the past few months, @kevinrutherford and myself (@markkirschstein) have been separately exploring these topics and will be sharing our understanding. This talk is certainly intended as an introduction, don’t expect anything too advanced, we’re still learning too!


There will be a coding kata as part of this, remember your laptops! Here’s a description of the kata: StopLossKata.pdf

Common Bar for pre-meet drinks and food at 5:30,  Madlab from 6:30.

See you there.


Written by Mark Kirschstein

October 4, 2012 at 12:27 pm

Posted in Uncategorized

2 Responses

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  1. Please note that there will be a coding kata, so bring a laptop. Or bring someone who brings a laptop.

    Kevin Rutherford

    October 5, 2012 at 1:05 pm

  2. Since I missed any post event breakdown in the pub, I was wondering if my solution on git hub (https://github.com/ihaworth/TrailingStopLoss/blob/ian/src/trailingstoploss/TrailingStopLoss.java) would get the extra marks? If I’ve got it right, I didn’t need to make any trade-offs.

    Sorry not to spell it out here… just didn’t want to give any spoilers (details are in the commit comments if anybody’s interested).


    October 13, 2012 at 10:35 pm

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