Category: architecture
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Digesting Microservices at muCon
On Friday, I had the privilege of presenting at the very first Microservices conference – muCon. In my talk, Engineering Sanity into Microservices, I spoke about the technical issues surrounding state in distributed systems as a whole, how these become a bigger problem as the number of deployed services goes up, and a few suggested…
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Understanding ActiveMQ Broker Networks
Networks of message brokers in ActiveMQ work quite differently to more familiar models such as that of physical networks. They are not any harder to understand or reason about but we need to have an appreciation as to what exactly each of the pieces in the puzzle do by themselves in order to understand them…
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Desktop Apps made easier, JavaFX and that ESB thing…
Isn’t it always the way, when you want to blog other stuff comes up? I had intended to write up a final post about the last day of Tech Days, but the weather has been great to get the kite out and the holiday is winding down so… Day 3 was pretty cool, as I…
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Unit Testing the Database Tier
Unit testing database code is a bit of a funny problem. Most developers can pretty easily get their heads around unit testing a piece of Java code using interfaces and mock objects. When it comes to database code or DAOs, it suddenly becomes particularly difficult. But why, what is so difficult about testing stuff against…
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Home Cooked vs Open Source. Or, Don’t Build Your Own Workflow.
First thing’s first. I love open source. I think that it’s the best thing since sliced bread. That thing that we were always told about since computer science, that of the open marketplace for components to be shared and reused HAS happened. Just not in the “buy this billing component” kind of way. It’s even…
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Thoughts on Mixing EJB3 and Spring
A few weeks ago I blogged about Spring and EJB integration, but something just did not sit well with me. Why would you want to do this at all? I like Spring. Its myriad components make my life simpler. I can write the business code I need to faster without worrying as much about the…