Thursday, January 27, 2022

Java: Validating JSON against an AVRO schema

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AVRO schema are often used to serialize JSON data into a compact binary format in order to for example transport it efficiently over Kafka. ...
Monday, January 24, 2022

Generating random JSON data from an AVRO schema in Java

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Recently I was designing an AVRO schema and wanted to test how data would look like which conformed to this schema. I developed some Java co...
Monday, January 10, 2022

Apache NiFi: Forwarding HTTP headers

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Apache NiFi can be used to expose various flavors of webservices. Using NiFi in such a way provides benefits like quick development using a ...
Wednesday, December 29, 2021

Apache NiFi: Reading COVID data from a REST API and producing it to a Kafka topic

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Apache NiFi can be used to accelerate big data projects by allowing easy integration between various data sources. Using Apache NiFi it is e...
Friday, December 24, 2021

Vagrant + Docker Compose: A quick and easy Apache NiFi development environment

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Vagrant can be used to quickly create development environments in for example VirtualBox, VMWare or Hyper-V. I decided to use Vagrant to cre...
Tuesday, October 5, 2021

Product selection done quickly

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Your customer has a specific challenge and wants to have it solved by means of software. They ask you as a software/solution architect to ad...
Saturday, July 17, 2021

Measure the Quality of your Source Code!

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Quality is something which is hard to define. Different areas of expertise use their own definitions of what quality is. Without an objectiv...