Hi, my name is Marco. Working as a Senior Software Architect at Philips. I'm an Opensource Maintainer and Contributor. If you like my work, consider to sponsor my work.

I wrote my first blog March 2011. Mostly I'm writing on software development. In total I wrote 75 articles in 7 categories. Use search below to filter by title or click a category or tag to filter by tag or category.




Cover Image for Auto retry concurrent commands with ncqrs

Auto retry concurrent commands with ncqrs

Marco Franssen

Marco Franssen /

In a previous post I showed you some pseudo code Gregory Young mentioned in his DDD CQRS course I attended in Krakow, Poland. In this course Greg made clear to us locking of databases isn't necessary. He showed us some pseudo code how to easily write a merge handler to handle all concurrency conflicts. In my current project, based on the ncqrs-framework I implemented a simpler version of this merge handler which only retries each command if a ConcurrencyException occurs. To achieve this you can…

Cover Image for Pitfall in FakeItEasy

Pitfall in FakeItEasy

Marco Franssen

Marco Franssen /

The current project I'm doing is a CQRS based project, using the ncqrs framework. Today I came to a phase I needed some mocking done for some of my domain services. I choose FakeItEasy to handle this for me. So I started by just adding a reference to my DomainScenario project using a Nuget package. For some of my complexer scenario's I ran into some issues which took me about about 45 minutes to fix one of my tests. For fixing all other failing tests I had to do the same trick. Before I explai…