Recently someone asked questions about the IDDD sample code and authorization. Basically the question was, why can't I authorize the user in the model to start a new Forum Discussion? The developer would pass in a "session" object to the Forum … [Read more]
It’s Not Just About Authorization, It’s About the Ubiquitous Language
Posted on March 11, 2013 // Leave a Comment
An Interview with Vaughn Vernon on Implementing Domain-Driven Design, Conducted by Rebecca Wirfs-Brock
Posted on February 20, 2013 // Leave a Comment
See my interview on InformIT.com regarding my book, how to get started with Domain-Driven Design, and how you can enjoy a no-limits toolset when you do. Get a fresh perspective on using DDD in an agile environment, and how to employ DDD at the "most … [Read more]
Domain Events and Canonical Message Models
Posted on February 6, 2013 // Leave a Comment
Here are a few givens. First, we have the following Domain Event type: com.saasovation.agilepm.domain.model.product.ProductCreated Assuming that this Domain Event will be published as the payload of the following Message … [Read more]
Implementing Domain-Driven Design Workshop In Colombia
Posted on February 1, 2013 // Leave a Comment
Here I am on a Friday evening in Bogotá, Colombia. This week I taught my Implementing Domain-Driven Design Workshop here. We had a nice group of students, and as usual the class had their eyes opened to what it means to implement with DDD. This was … [Read more]
Guaranteed Anemia with Dozer
Posted on August 19, 2012 // Leave a Comment
Today I was inspired by Scott Hanselman to get my blogging act together. It's been awhile, maybe nine months or more. It's way overdue. I've been helping a colleague on a (currently confidential) project for the NYSE. The goal is to introduce … [Read more]
Protecting Aggregate Dependencies
Posted on November 5, 2011 // 3 Comments
On October 17, I presented on Part I of my DDD Effective Aggregate Design essay at the Denver-Boulder DDD Meetup. We had a nice attendance and once again benefited from the use of Quark's conference room. We had a good turn out with around 20 in … [Read more]
DDD Community Essay: Effective Aggregate Design
Posted on October 4, 2011 // 3 Comments
My essay on Effective Aggregate Design was released late on October 2. In just two days there have been nearly 500 views/downloads. This is clear indication of the challenges faced by many when designing aggregates using the DDD tactical … [Read more]
DDD Meetup: The Role of Grid Computing and DDD
Posted on August 8, 2011 // Leave a Comment
Join us at the Rooster and Moon to discuss the role of grid computing and DDD, and common tactical patterns. The Denver-Boulder Domain-Driven Design Meetup Group meets monthly or semi-monthly. Follow-up Review: As always Randy Stafford provided … [Read more]
DDD Summit 2011
Posted on July 28, 2011 // Leave a Comment
Portland, Maine Eric Evans arranged for a very unique DDD event, the DDD Summit. This was a forward-thinking and bold undertaking because of the differences that have developed around innovation in the community over the past few years. I … [Read more]
DDD Meetup: Stategic Design with Bounded Contexts and Context Mapping
Posted on June 15, 2011 // 2 Comments
Tonight Paul Rayner presented on some of DDD's essential strategic design elements, Bounded Contexts and Context Mapping. This was also the topic of my REST with DDD QCon presentation back in November 2010. Paul is one of Eric's DDD Immersion … [Read more]
