Adapting and Learning

I've been updating some training materials recently, and thinking about better ways of teaching and talking about JPA. One of the things...

I was recently surprised by how one code base had public default constructors (i.e. zero-arguments constructors) in all their domain entiti...

In one design patterns class, I had an interesting discussion about modelling domain logic. Specifically, it was about isolating the domain ...

As I was discussing the PoEAA patterns used to model domain logic (i.e. transaction script, table module, domain model), I noticed that peo...

In older versions of Hibernate, I can see the one-shot delete indicated in the manual. But newer versions no longer have this section. I...

In a previous post , I mentioned that I opted to reference other aggregates by their primary key, and not by type. I usually use this appro...

Recently, I've been reviewing a funds transfer system that uses the S.W.I.F.T. standard message types. After reviewing it, I find that ...

In my recent training sessions on the (core) Spring Framework , I was asked, "If there was one thing that a (Java) Spring developer sh...

One of the issues that tends to pop up is how we maintain referential integrity between services. In this post, I'd like to share my exp...

One of my colleagues asked an interesting question about my previous post that I thought would be worth posting here. He asked about the pe...

I've always found the cargo shipping example used in Eric Evan's book to be quite useful in learning DDD . Here are some of my not...