Reference by Identity in JPA

In a previous post, I mentioned that I opted to reference other aggregates by their primary key, and not by…

Read More »

OpenMap Tutorial 5 – 3-tier GIS application

1. Introduction Welcome to the 5th tutorial of the OpenMap series of Tutorials.  OpenMap is a free open source Java…

Read More »

Using Stored Procedures With JPA, JDBC. Meh, Just Use jOOQ

The current edition of the Java magazine has an article about Big Data Best Practices for JDBC and JPA by…

Read More »

Spring boot and Spring data JPA integration

Nowadays spring and JPA integration has become a piece of cake thanks to Spring Boot and spring Data. I am…

Read More »

Using JINQ with JPA and H2

A few days ago I have read the interesting interview with Ming-Yee Iu about JINQ. JINQ is, like the name already…

Read More »

Pitfalls of the MyBatis Caches with Apache Ignite

A week ago, MyBatis and Apache ignite announced of support apache ignite as a MyBatis cache (L2 cache). technically MyBatis…

Read More »

JPQL Enhancements in JPA 2.1 and Java EE 7 (part 1 – JOIN ON)

Java EE 7 is around for a few years already, and provides several very useful and long-awaited features, like entity…

Read More »

Differences in JPA entity locking modes

JPA provides essentially 2 types of locking mechanisms to help synchronize access to entities. Both mechanisms prevent a scenario, where…

Read More »

JPA Pitfalls / Mistakes

From my experience, both in helping teams and conducting training, here are some pitfalls/mistakes I have encountered that caused some…

Read More »