Automatically Updating Timestamp Fields for Axon State-Stored Aggregates
A state-stored aggregate in the Axon framework is an aggregate which also gets persisted as a classic...
UUID Identifier for Axon Aggregate
As noted in this issue, the identifier for an Axon aggregate most be a String data type....
Wildcard Matches With Wiremock
Wiremock is a great tool to use to mock out external APIs and services and you can...
Spring JPA – Select Multiple Entities With a Single Query
While Spring JPA simplifies things for the developer, performance is often unnecessarily sacrificed in the process. For...
To NP or not to NP, that is the question. Or, what is NP?
In this post I’d like to quickly clarify the levels in computational complexity theory. Oftentimes there is...
Java Generics: Bounded Wildcards in Method Declarations
Sometimes it is good to review concrete examples of abstractions in practice to remember their importance. Here...
SC19 Debriefing
I’m back home after attending SC19 in Denver this last week. What an experience it was! I’m...
Hello World
Welcome to the blog of my personal portfolio website, michael.jeszenka.com. Yes, that’s me and I’m happy to...