Week 46, year 2020

• Set Based Consistency Validation - Requests like “How do I ensure the email address in a User aggregate is unique?” or “How do I ensure usernames are only used once on command handling?” reach us quite often. We can rephrase them simply as so: How do I consistently validate consistency among a set in such a system? None of these are Axon specific problems, really, but more so issues you would encounter when using CQRS in combination with Event Sourcing. [Axon Framework and related blogs via Aggregater Linklog]

Permalink | From 09 November 2020 to 15 November 2020 | Last updated on: Tue, 3 Aug 2021 05:28:12 GMT