OO Domain Modeling Strategies

A well-designed domain model is the best foundation any application can have. Unfortunately, many models grow like weeds in a garden, driven more by the needs of a relational database than the needs of the business model. It doesn't have to be this way - we can build a solid domain model that can survive change and withstand several different mechanisms for persistence.

In this talk we will start with a list of requirements for a small application, and use these to build a domain application that will be free of persistence constraints, adaptable to changes in the business rules, and even predictive of the future needs of the application. While the examples alternate between Java and Ruby, the techniques involved are foundational and applicable to most any object-oriented language.

About David Bock

David Bock is a Principal Consultant at CodeSherpas, a company he founded in 2007. Mr. Bock is also the President of the Northern Virginia Java Users Group, the Editor of O'Reilly's OnJava.com website, and a frequent speaker on technology in venues such as the No Fluff Just Stuff Software Symposiums.

In January 2006, Mr. Bock was honored by being awarded the title of Java Champion by a panel of esteemed leaders in the Java Community in a program sponsored by Sun. There are approximately 100 active Java Champions worldwide.

David has also served on several JCP panels, including the Specification of the Java 6 Platform and the upcoming Java Module System.

In addition to his public speaking and training activities, Mr. Bock actively consults as a software engineer, project manager, and team mentor for commercial and government clients.

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