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A Brief Intro to Clean Architecture, Clean DDD, and CQRS
A brief explanation of Clean Architecture, Clean Domain-Driven Design, and Command/Query Responsibility Segregation.
Finally, I introduce Command Query Responsibility Segregation (CQRS), and describe how it complements and enhances Clean DDD solutions to create software systems that are elegant, robust, scalable, and testable. Another common anti-pattern is to expose CRUD operations on the controllers (web API) and then the business logic gets dispersed throughout the application, such as in the UI itself or worse, in the database inside stored procedures. This is not unlike what the .NET team did way back in the day with the introduction of the Task Parallel Library (TPL): they took the onerous process of developing asynchronous control flow in applications and abstracted all of that into first-class objects which can be handled independently of the code which depends upon them.
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