A couple of days ago I have been to a tech talk from eBay in Berlin. The talk was hold by a developer of the eBay Kleinanzeigen team (a subsection of eBay in Germany) who talked about development patterns his team learned during the years. He mentioned behavioral patterns, design patterns and coding pattern his colleagues and he discovered as good practices for their projects. Since nearly everything could be seen as a pattern, the talk was a mix of learned lessons and actual advises on how to structure code. Cool! It is always good to talk and hear about coding experiences and it also reminded me at something which is often more important than patterns: anti patterns!

Spring can not only inject beans (components, services, entities, however you want to call them), it can also inject them according to a certain scope. This is great if you have state-full objects which belongs (for example) to a dedicated user and not to the whole application. To do that, Spring introduced the @Scope annotation.

A couple of months ago I worked on a single sign-on (SSO) for a Windows client and server made in Java. The scenario was the following:

DeployMan

Over the last six months, I wrote my master thesis about porting an enterprise OSGi application to a PaaS. Last Monday, the 21th Juli 2014, I presented the main results of my thesis to my professor (best greetings to you, Mr. Goik!) and to my colleges (thanks to all of you!) at Informatica in Stuttgart-Weilimdorf, Germany (where I had written my thesis based on one of their product information management applications, called Informatica PIM).

I spend the last weeks (or months?) at my desk writing my Master thesis about OSGi, PaaS and Docker. After my Bachelor thesis two years ago, this was my second big “literary work”. And as any computer scientist, I love tools! So here is my toolbox I used to write my thesis.

XML vs. JSON

Who is using OSGi? If you take a look http://www.osgi.org/About/Members you will see more than a hundred members of the the OSGi Alliance and a lot of big players just like IBM or Oracle. But lets do a little investigation with Google Trends on our own.

The Docker Registry