Hey, I just wanted to tell all german readers, that the Java Magazin published my first article in the current issue 1.15. It’s called “Aus A mach B – Konvertierung mithilfe von JPA Attribute Converter” and describes (guess what) the usage of the new JPA 2.1 Attribute Converter. You don’t speak german and like to…
Hey everyone, I went to the GeeCon conference last week and had no time to read articles for the Java Weekly. So I have to skip it for this week. Bye,Thorben
EJB Singleton Beans were introduced by the EJB 3.1 specification and are often used to store cached data. This means, we try to improve the performance of our application by using a Singleton. In general, this works quite well. Especially if there are not too many calls in parallel. But it changes if we ignore…
This post was written together with Aslak Knutsen (@aslakknutsen). JPA Attribute Converters provide an easy way to define how an entity attribute gets persisted to the database. You can use them to implement lots of different features, e.g. to encrypt your data as I showed in a previous post: How to use a JPA Attribute Converter…
A few days ago, I read an interesting article by Bear Giles about Database encryption using JPA listeners from 2012. He discusses his requirements for an encryption solution and provides a code example with JPA listeners. His main requirements are: provide transparent encryption that does not affect the application, be able to add the encryption…
