Welcome!

... to the digital home of Steven Schwenke.

This site is supposed to be a showcase for my thoughts about software engineering, less a personal homepage. If you want to know more about me, invite me to a beer.

 

SSH in app on Cloudfoundry, for example to access database service

15 Jun 2020
Posted by Steven

SSH-ing into an app deployed on Cloudfoundry, for example to access a database service, is well documented:

Refactoring your classes in Axon? Well ...

07 Jun 2020
Posted by Steven

One of the projects I work in has an uncommon tech stack, at least it differs from the standard CRUD-application-tendency many company-apps are built in. The mentioned application uses the Axon framework and a Mongo database. At first, the data often changed structurally, hence storing it in a document database accelerated development. Feature-requests for accessing the history of data encouraged the use of Axon with its events that are stored permanently in the database.

lessons learned + news in May 2020

01 Jun 2020
Posted by Steven

This is what I learned in May 2020:

Book Review: "Influence" by Robert B. Cialdini

31 May 2020
Posted by Steven

Recently, I finished "Influence" by Robert B. Cialdini.  I like reading books about Psychology and "Influence" both is comprehensible and useful. In this article, I want to highlight some of the most important take-aways I found to be of relevance to my life.

Creating Tables for Hibernate Envers with Liquibase

28 May 2020
Posted by Steven

Recently, I wanted to keep the change history of entities saved via Hibernate and also have a versioned database. Hence, I used Hibernate Envers and Liquibase.

The tables for envers, both the revinfo table and the _AUD tables for each entity, have to be included in the changeset of Liquibase:

Mockito: Verifying method arguments with inOrder

15 May 2020
Posted by Steven

Yesterday, I learned how to verify the method parameter for multiple method calls in Mockito. My pair-programmer and I wrote code that send multiple messages to an Amazon SQSClient. We wanted to test if a) all expected send-calls were executed and b) if all of those had the correct argument.

On SO, we found the solution (rewritten for better understanding):

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