Discover and read the best of Twitter Threads about #dddesign

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I write a #DDDesign series about "domain facts" and ask you to please help me 🙏 by liking, sharing or challenging the individual sentences in this thread. I categorize "domain facts" into (a) domain events and (b) domain statements: commands, queries and documents. 😊 (1)
A "like" expresses agreement with a sentence. A "retweet" doesn't express anything aside of interest and your kind willingness to help me with your own follower power! 🖖 Your "reply" comments a sentence. Thank you very much! We love #DDDesign and I love you all. ❤️ (2)
While we discuss commands, queries and documents in #DDDesign, we do not often discuss such statements as if they were observable historical facts in themselves, and as if they needed to be at least temporarily recorded in order to continue a meaningful domain conversation. (3)
Read 26 tweets
Sagas with @crichardson 💪 #microcph

Transactions within, Sagas between microservices.
Microservices enable loosely coupled teams. Data needs to be encapsulated to enable low friction evolution of schema. @crichardson #microcph
Rolling back in ACID is fairly simple compared to rolling back in a Saga. Moves compensating logic into application. @crichardson #microcph
Read 7 tweets
I feel very sad about this, but I am compelled to comment. This article does such a great disservice to #DDDesign #CQRS and #EventSourcing that if my platform/toolkit/framework where cited in it, I'd demand removal:

The software industry is continuously exposed to such poor literature and guidance. The term "domain model" should not even be used here, nor "domain event." Even so, the whole article is flawed. Please don't follow this advice.
Unfortunately this article argues "accidental complexity" as a reason to change the "domain model" and then goes about introducing heaps of unnecessary complexity. This appears to be an effort in showcasing a framework rather than simplifying the solution.
Read 3 tweets

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