24 May, 2011. It was a Tuesday. I’ve built a few dozen security mechanisms in my career. Unfortunately, I kept getting it wrong, hence the need to keep building them. Over the years, though, I learned ...

12 August, 2008. It was a Tuesday. A question came up on the ALT.NET message board asking whether Value Objects should be used across service boundaries. Of course, the conversation took several ...

21 August, 2008. It was a Thursday. Services are first-class citizens of the domain model. When concepts of the model would distort any Entity or Value Object, a Service is appropriate. From Evans’ ...

5 May, 2015. It was a Tuesday. CQRS is a simple pattern – two objects for command/queries where once there was one. These days just about every system I build utilizes CQRS, as it’s a natural ...

13 October, 2016. It was a Thursday. A while ago, I blogged about using MediatR to build a processing pipeline for requests in the form of commands and queries in your application. MediatR is a ...

22 September, 2011. It was a Thursday. A long time ago, when I first started blogging with LosTechies, I wrote up a few posts on Dependency Inversion and Dependency Injection, and how I finally ...

In most of the projects I’ve worked on in the last several years, I’ve put in place a mediator to manage the delivery of messages to handlers. I’ve covered the motivation behind such a pattern in the ...

29 January, 2010. It was a Friday. When performing a merge in git, you might see the message: warning: Cannot merge binary files: HEAD:somefile.dll vs. otherbranch:somefile.dll Auto-merging ...

17 December, 2015. It was a Thursday. In the last post, I looked at auto-property enhancements, with several comments pointing out some nicer usages. I recently went through the HtmlTags codebase, C# ...

13 May, 2014. It was a Tuesday. Domain events are one of the final patterns needed to create a fully encapsulated domain model – one that fully enforces a consistency boundary and invariants. The need ...

note the last line declaring the ENTRYPOINT. The syntax I have chosen in the above sample is one possible way of declaring the entry point. An alternative syntax is using an array of words, i.e.

Way too many times I encounter applications that claim to have a domain (model) and that domain driven design has been used to develop it, but in reality what I find is a collection of entities or ...