Functional Reactive Programming in Event Sourcing Systems - ZilvinasKucinskas/FRP-EventSourcing. 47 results medical-site.infoepub medical-site.info medical-site.info Title: (Epub Download) Implementing Domain-Driven Design [PDF EBOOK EPUB KINDLE], Author: yk, Name: (Epub Download).
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DDD is less known in Ruby on Rails community mainly because Ruby on Rails aimed in the beginning on simple problem domains and rapid prototyping.
Problems appeared when Ruby on Rails became used for complex business domains. The main question is how to develop applications that are easy to prototype at the beginning but also sustainable in a long run.
I believe that DDD can help solve this problem. There are couple of blog post on this topic.
Victor Savkin in his series of articles identified problematic parts of Ruby on Rails framework that violate DDD guidelines. Those are:. It is a port of a cargo shipping application written in Java and later in C as a companion to the original book from Eric Evans.
Although the sample application is pretty complex and shows the power of DDD, it is written with a C mindset. Paul himself mentioned in the presentation that he had just short experience with Rails in time of writing the sample app.
Because of that I have decided to build a new proof of concept application. It should address the three described issues and use all advantages of Ruby language over Java or C. I have picked up an example of a food delivery domain for this purpose.
The initial source code is available on https: The book read as a story, slowly building up knowledge. As already mentioned, the first part of the book discusses the strategic patterns of domain-driven design.
The chapters that explain the tactical patterns are richly illustrated with lots of code. What I particularly like is how Scott informs the reader by showing different implementations and clearly discussing their advantages and disadvantages.
This unopinionated approach is quite refreshing. I particularly liked the chapter about domain events, where several approaches are touched and explained. However, I did not care a lot about the chapter on repositories where I found it to have too much code listings that were too long for my taste.
The last part of the book also touches on topics like CQRS and event sourcing. I'm a slow reader, so it took me quite a while to get through it.
But it was definitely worth turning over all pages. I learned a lot of new things and also relearned some known things.
This is a perfect book for developers who are new to domain-driven design and want to learn what it's all about. But also developers who are more experienced when it comes to domain-driven design can benefit a great deal by reading this book.
Net technologies. Both books give focus on bounded contexts and strategic design and they're more technical than Evans' DDD book, showing a lot of implementation details regarding bounded contexts integration with REST and messaging systems.
This book may be considered a "software book" or "software architecture book" because of its wide range of technical topics.
The author wastes too much pages with small tutorials teaching how to implement some concept with different strategies and technologies. If you're only worried about DDD main topics, you may think this book is too much big and somewhat boring. To view it, click here. Rating 3. But here and there it turned out to be too much of story telling. It may act as an advantage to read this and follow all of the steps if and only if - the stakeholder gives sufficient money to invest time into this.
I really liked Part 3 and 4, those were Rating 3.