Most developers create their own repositories by adding their queries to one of Spring Data JPA’s standard base repositories, like the JpaRepository or the CrudRepository. These repositories give you a set of standard operations, e.g., to read and write entity objects. It often seems like the obvious choice to define your own repositories based on one of these…
Since the release of Java’s record feature, I got asked how you could use records with Hibernate. Until Hibernate 6, I had to tell you that JPA and Hibernate only supported records as DTO projections. That finally changed with the release of Hibernate 6.0 and got even easier with Hibernate 6.2. Unfortunately, you still can’t use…
Spring Data’s JpaRepository provides a huge set of methods that simplify the implementation of your database operations. You can use them to persist, remove, and read an entity object. Choosing the right method for your use case is one of the few problems these interfaces create. And that’s sometimes not as easy as you might expect. One…
Blaze Persistence’s Entity Views try to solve some of the most common complaints about DTO projections in JPA and Hibernate. Most developers know that DTOs improve the performance of their read operations. But they often avoid using them because it requires boilerplate code and often creates code that’s not easily maintainable. JPA’s DTO support also…
Hibernate 6 has been released for a while, and I see more and more teams migrating their persistence layers or at least preparing for the migration. As so often, the work required for the migration to Hibernate 6 depends on your code quality and the Hibernate version you’re currently using. For most applications using Hibernate…
