My latest project uses a CQRS and event sourcing design and the power it gives,
coupled with Clojure is just fantastic. Hydrating an object becomes (merge {}
(event-store/load ar-id)) - just fantastic.
I too find a lot of sympathy between CQRS, event sourcing, FRP and Clojure
which I keep meaning to blog about, but my todo list is a mile long. Still,
highly recommend that architecture. Lots of downsides; everything is a trade
off, but conceptually, yeah, it gets a lot right.
> On 12 Jul 2015, at 05:34, Matt Bailey <[email protected]> wrote:
>
> Johanna,
>
> I noticed you mentioned CQRS. In my work, we use CQRS heavily, specifically
> the Axon framework for Java (utilizing Spring and Hibernate). I got into
> Clojure through watching Rich Hickey's talks and figured that any language
> that he wrote had to be good.
>
> It's remarkable to me how cleanly the concepts applied in CQRS map to
> concepts in Clojure. The funny thing is that CQRS would never be necessary if
> it wasn't for languages like C# and Java.
>
> It can be discouraging to see people's eyes glaze over when you talk about
> code as a series of transformations on the input. Many people limit their
> understanding of code to a very procedural style with ifs, elses and "helper
> methods" that have side effects.
>
> Sorry I don't have any words of wisdom on how to evangelize Clojure, but I am
> glad to see someone else noted the parallels between CQRS and a more
> functional style of programming.
>
> Cheers!
> -Matt
>
> On Saturday, July 11, 2015 at 2:47:31 PM UTC-7, Johanna Belanger wrote:
> That's really cool, thanks!
>
> On Saturday, July 11, 2015 at 5:27:37 AM UTC-7, juvenn wrote:
> Hi Johanna,
>
> I don’t know if it'll work for your team, but I find Shaun Le Bron's
> "Interactive guide to Tetris in ClojureScript” the most succinct and
> beautiful way of showing power of Clojure and ClojureScript.
>
> https://github.com/shaunlebron/t3tr0s-slides
> <https://github.com/shaunlebron/t3tr0s-slides>
>
> Have fun!
> --
> Juvenn Woo
> Sent with Sparrow <http://www.sparrowmailapp.com/?sig>
>
> On Saturday, 11 July, 2015 at 1:24 pm, Johanna Belanger wrote:
>
>> I ended up giving him a brief description of Clojure, with stress on its
>> ability to do heavy lifting with very little code, and sent him a link to
>> Neal Ford's talk "The Curious Clojurist"
>> <https://www.youtube.com/watch?v=bxLnpgnDApg>. We'll see what happens.
>> Thanks everyone for your advice.
>>
>> On Thursday, July 9, 2015 at 3:20:23 PM UTC-7, Johanna Belanger wrote:
>> Hi :)
>>
>> I've recently broached the subject of Clojure with another dev in my
>> organization, and his response was basically "What's Clojure"? and I'm not
>> sure how to answer that in a way that might inspire him. "It's a
>> dynamically-typed functional Lisp with persistent immutable data structures
>> that runs on the JVM" doesn't seem like it will grab his interest. =)
>>
>> I work primarily in .NET, and he does enterprise Java. I don't know him well
>> enough to know how happy he is with it. He did express interest in learning
>> .Net.
>>
>> I came to an appreciation of Clojure through
>>
>> -CQRS (the power of decomplection!)
>> -Sussman and Abelson's SICP class at MIT online (the power of homoiconicity
>> and functions!)
>> -the death of Silverlight (alternatives to Javascript in the browser?)
>>
>> By the time I found Rich Hickey's talks (eg Simple Made Easy) I was pretty
>> well primed to love Clojure. I've been using it for little personal projects
>> and prototyping for a couple of years, but I haven't put it in production
>> because no one else here knows it.
>>
>> Could anyone tell me how they got from enterprise Java to Clojure?
>>
>> Thanks very much,
>> Johanna
>>
>>
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