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Norbert Ehreke

Biography

Norbert Ehreke is a consultant and software developer currently affiliated as a senior development lead with Impetus Unternehmensberatung GmbH in Frankfurt, Germany. He has been working on data oriented software solutions for the past 5 years and works with Java, C#, Perl and Ruby. Norbert holds a Masters Degree in Systems Engineering from the Technical University of Berlin and has studied at the University of Maryland and the Eidgenoessische Technische Hochschule (ETH) in Zurich, Switzerland.

Articles

Blog

yEd Graph Editor

December 12 2006

Modelling business processes often involves manipulation and visualization of directed graphs. In a recent project our Java client software needed such a visualization tool, yet we had no time delving deep into these topics. Plus, reinventing the wheel is never such a great idea. After some googling I came up… read more

Behavioral completeness is cool, but...

September 24 2006

The notion of bahavioral completeness as introduced with the Naked Objects approach comes across as a two-sided coin, at least to me. After taking note of Eitan Suez’ JMatter framework, I started cross-reading the book Naked Objects by Richard Pawson and Robert Mathews that can be found online. The core… read more

Explicit and Implicit Metadata

May 21 2006

In the current edition of iX, a German IT magazine, Kent Beck is interviewed about JUnit 4. A statement about using annotations got me thinking. He was asked this question (roughly translated). Q. You have changed the entire architechture of JUnit 4. What was the primary reason for doing this?… read more

Make JSR 296 Data-Centric

May 07 2006

Looking at JSR 296 I have the impression that it should focus on data-centric applications and that the target audience should be the newcomer rather than the programming expert. JSR 296 is a specification request for a Java framework supporting rich client development with Swing. It is discussed, for instance, here… read more

Thoughts on Simplicity

April 30 2006

On the last two projects I have worked on, some people have attributed my contributions with “too complex”, “too difficult” and “not straightforward”. Since then I have been trying to determine whether or not that is true and how to tell the difference. After reading Kurt Cagles Thoughts on Complexity… read more
Norbert Ehreke