Gojko Adzic

The Unite union (of the let’s screw BA travellers for several weeks every few months fame) created a
Facebook group to stop jobs in the technology department being outsourced and offshored at Guardian News Media Ltd, publisher of the Guardian, the Observer and guardian.co.uk. According to the group web site, the board of Guardian News Media is meeting tomorrow to make a decision on outsourcing a large part of their IT department.

Without taking a position on who’s right or wrong in this case, I’m very interested in how this whole thing is going to play out. A recent major rewrite of their flagship web site is one of the most publicised apparently successful IT projects in the UK. Continue Reading »

Speaking at the DDD exchange conference today, Greg Young said that doing doing domain driven design is impossible with a classic three layer architecture where DTOs are being shared across layers. He then presented CQRS and Event Sourcing, which according to him provide a much better way to design complex systems. Continue Reading »

Udi Dahan spoke today at the DDD Exchange about common misunderstandings and problems that teams have with implementing Domain Driven Design. According to Dahan, the domain model pattern seems to be abused more often than not. Continue Reading »

Today at the DDD Exchange 2010 mini-conference in London, Eric Evans spoke about emerging themes in the domain driven design community. Six years after the DDD book was published, Evans said that he can now define it more precisely than before. Continue Reading »

Value objects are one of the basic building blocks of object domain driven design. The pattern makes manipulating objects very easy and is very easy to understand. Yet often I see teams with a strong preference to entities, making clean design harder to sustain and system much harder to write and more error-prone on the end. In most cases, this oversupply of entities comes from the fact that critical business data has to be persisted and by persisting the object we give it many traits of an entity. In my opinion, this is jumping to conclusions too quickly. I prefer values over entities because of all the management advantages that they have. Persistence is not an excuse to turn everything to entities. In this post, I’ll show you several tricks how you can persist object and still keep all the benefits of value objects. Continue Reading »