Article
Changing The Way We Use JPA
June 24, 2021 - I’ve been updating some training materials recently, and thinking about better ways of teaching and talking about JPA. One of the things I’ve been thinking...
Transformative Ideas for Leaders in the Fourth Industrial Revolution
Article
Eclipselink 2.5.2 (JPA 2.1.0): Determining Fetch State
December 21, 2017 - This discussion made use of JPA 2.1.0 and Eclipselink 2.5.2. Specs and implementation and may change in future releases. It might be helpful to test with different versions by...
Article
Isolating the Domain Logic
January 4, 2017 - Lorenzo explains the reason why code in applications is arranged and split in a certain way, and provides tips for arranging your application. In one...
Article
Architectural Layers and Modeling Domain Logic
November 14, 2016 - Lorenzo corrects the impression that the domain model pattern is always the best to use. He provides options and tips on when to use (and...
Article
JPA Pitfalls / Mistakes
September 13, 2016 - Learn the common pitfalls/mistakes encountered that caused some problems in Java-based systems that use JPA. From my experience, both in helping teams and conducting training,...
Article
Spring-managed Transactions Explained – Part 1 (JDBC)
September 13, 2016 - Learn how transactions work in plain-vanilla JDBC and how Spring manages JDBC-based transactions. I’ve been meaning to write about this for quite some time now....
Article
Mapping a Map in JPA
July 14, 2014 - It’s common to see a java.util.List being used for a to-many mapping (with ORM). And it’s also common to need to get an element in that list using some...