Book Club: Implementing Domain-Driven Design Ch 7 - 9

 

This is the fourth session of our Implementing DDD book study.

We're adjusting the schedule this time to accommodate members' schedules better, and we will cover chapters 7, 8, and 9.

Session will consist of open discussions, and Anshu will give a demo on Domain Events.

 

Details:

Domain-Driven Design community leader Vaughn Vernon recently published Implementing Domain-Driven Design! Book summary:

Implementing Domain-Driven Design presents a top-down approach to understanding domain-driven design (DDD) in a way that fluently connects strategic patterns to fundamental tactical programming tools. Vaughn Vernon couples guided approaches to implementation with modern architectures, highlighting the importance and value of focusing on the business domain while balancing technical considerations.

Building on Eric Evans’ seminal book, Domain-Driven Design, the author presents practical DDD techniques through examples from familiar domains. Each principle is backed up by realistic Java examples–all applicable to C# developers–and all content is tied together by a single case study: the delivery of a large-scale Scrum-based SaaS system for a multitenant environment.

The author takes you far beyond “DDD-lite” approaches that embrace DDD solely as a technical toolset, and shows you how to fully leverage DDD’s “strategic design patterns” using Bounded Context, Context Maps, and the Ubiquitous Language. Using these techniques and examples, you can reduce time to market and improve quality, as you build software that is more flexible, more scalable, and more tightly aligned to business goals.


Coverage includes:

> Getting started the right way with DDD, so you can rapidly gain value from it

> Using DDD within diverse architectures, including Hexagonal, SOA, REST, CQRS, Event-Driven, and Fabric/Grid-Based

> Appropriately designing and applying Entities–and learning when to use Value Objects instead

> Mastering DDD’s powerful new Domain Events technique

> Designing Repositories for ORM, NoSQL, and other databases

 

How to sign up

We need volunteers to help present summaries of the chapters, 2 to 3 chapter per session, over the course of N sessions and X months. And, of course need even more people to attend and enjoy!

  • Want a free copy of the book by volunteering to do a presentation? To be one of the two presenters for any of the N sessions and get the book free, then RSVP on this page, then see Speaker guidelines below for more info.
  • Want to read, but not present? If you don't want to present, but do want to buy a copy of the eBook or print book, at a 35% discount, then RSVP on this page, then click the Addison-Wesley perk on the left side of this page to get the discount code to use at InformIT.com!

You can also, of course, choose to attend without even reading the book, if you like :-) If you do that, at least view the videos linked in this blog post on the VersionOne Dev Blog: The importance of Thinking Inside the Box illustrated in new book: Implementing Domain-Driven Design

 

Speakers spreadsheet and schedule

Full schedule and presenters already signed up  on this spreadsheet. Here's the outline of dates and chapters covered:

 

Sessions agenda

6:00 - 6:15: Setup, socialize at VersionOne @ Glen Iris

6:15 - 8:00: Presentations and open discussion (also over GoToMeeting, mute your mic until we pause for discussions)

8:00 - 9:00: Gather at Manuel's Tavern for drinking, dining, more discussion for those in town!

 

GoToMeeting Info:

We will likely resume this if we can solve audio issues. Stay tuned for details.

 

Session 4: Thur June[masked]

Chapters: (Subject to change!)

  • 7: Services
  • 8: Domain Events
  • 9: Modules

Presenters: Anshuman Srivastava

 

Speaker guidelines


It's simple. Here's what we ask:


Before signing up:

  1. Review the full schedule of days and the chapters on this spreadsheet.
  2. RSVP on the Meetup site, indicating which session you want to present on, then Send a Message to Josh Gough to provide him your mailing address if you prefer a physical book, or your email if you prefer an eBook, and he will have VersionOne buy it for you.

After signing up:

  • Coordinate how to collaborate on the presentation with your co-presenter. Use Skype or something like that if you are not local to Atlanta. Please be prepared to carry the weight of the presentation if your partner falls ill or absent. Redundancy!
  • Cover the chapter materials well enough that someone who didn't read the chapters will understand the gist of the concepts.

Consider doing:

  • In your presentation, refer to situations where the concepts have been or could be helpful in your own projects, using code examples of your own if you have some
  • Contribute additional links and resources in your presentation to help people learn more about the subject


A Few More DDD Getting Started Resources

You can always use http://dddcommunity.org/learning to find more, but here's a blog I wrote on the VersionOne Dev Blog with more info and links to some great starting points: The importance of Thinking Inside the Box illustrated in new book: Implementing Domain-Driven Design.

 

Thank you!

Thanks goes to book author Vaughn Vernon himself, his publisher Addison-Wesley, Addison-Wesley Senior Publicist Heather Fox, and to VersionOne for their sponsorship of this endeavor!

Join or login to comment.

  • Adam C.

    Anshuman did a great job of leading the Meetup, and there were some very insightful discussions about the three chapters we covered. I think we all get more out of the discussions on how to apply the topics we cover than we get out of the book itself. Very valuable.

    1 · June 27, 2013

    • Anshuman S.

      Thanks! Credit goes to the group; we have a very involved, dedicated and interactive group. Think we 've managed to bring together right people at the right time(Synchronicity).

      June 28, 2013

  • Chris A.

    Not sure if everyone has already come across this or not, but here's Vaughn's in-progress sample source code for .NET:
    https://github.com/VaughnVernon/IDDD_Samples_NET

    2 · June 28, 2013

    • Josh G.

      Great! Was looking for something like this a while back. Thanks!

      June 28, 2013

    • Anshuman S.

      Thanks a ton Chris! Taking a look at it right... looks like our group contribute a lot to it. Thanks again.

      June 28, 2013

  • A former member
    A former member

    A couple people spoke of attempts they made to put some of the concepts into practice. Perhaps next time, if people would be willing to bring in some code, we could go over these as a group.

    1 · June 28, 2013

    • Josh G.

      That would be really cool, perhaps we do something like that in a GTM session where people could take turns being the presenter?

      June 28, 2013

  • Anshuman S.

    Great group. Excellent discussion.

    2 · June 27, 2013

  • Josh G.

    DDD Exchange 2013 was held recently and the talks are recorded and available here: http://skillsmatter.com/event/design-architecture/dddx-2013 -- there are talks from Vaughn and from Greg Young there.

    June 27, 2013

  • Peter J.

    I may be up to 20 minutes late. Will need GTM access to attend.

    June 27, 2013

    • Mark K.

      Did you see the GTM info in the earlier comment??

      June 27, 2013

  • Josh G.

    Cannot make it tonight. Thanks Anshu and Erin for hosting!

    June 27, 2013

  • Anshuman S.

    In order to join the meeting remotely, please use the following details,

    1. https://www1.gotomeeting.com/join/525611281

    2. You will be connected to audio using your computer's microphone and speakers (VoIP). A headset is recommended.

    Meeting ID:[masked]

    June 27, 2013

  • Josh G.

    I've updated the full schedule based on moving to Thursdays and lengthening it out: https://docs.google.com/spreadsheet/ccc?key=0AvMBVZScuhukdEZjbDlTaEhtOGgyaWlReURkZGxvbHc#gid=0

    June 27, 2013

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