ByThorben JanssenThe java.util.List<SomeEntityClass> is the most common representation of a to-many association with JPA and Hibernate. But is it also the one that you want to use in your domain model? Does it fit your use cases or do you need smarter access to the associated elements? Let’s be honest, a simple java.util.List is good enough…
ByThorben JanssenWhy I publish the Thoughts on Java Report When I announced that I had quit my day job to work full-time on Thoughts on Java, I got a lot of great feedback and questions about my plans for the site. If you’re interested in these kinds of posts, I’m happy to give you a look…
ByThorben JanssenAssociation mappings are one of the key features of JPA and Hibernate. They model the relationship between two database tables as attributes in your domain model. That allows you to easily navigate the associations in your domain model and JPQL or Criteria queries. JPA and Hibernate support the same associations as you know from your…
ByThorben JanssenHibernate Tips is a series of posts in which I describe a quick and easy solution for common Hibernate questions. If you have a question you like me to answer, please leave a comment below. Question: I want to exclude some records from an association mapping. How can I filter the elements of a mapped…
ByThorben JanssenIf you’re using Hibernate for several years, you might remember the time when you had to define all your mappings in the orm.xml file. You had a bunch of Java classes that represented your domain model and a long XML file with the mapping and query information. One of the main challenges with that approach…