How to map polymorphic JSON objects with JPA and Hibernate

Introduction In this article, I’m going to show you how you can map polymorphic JSON objects when using JPA and Hibernate. Since Hibernate doesn’t support JSON natively, I’m going to use the Hibernate Types library to achieve this goal.

How to customize the Jackson ObjectMapper used by Hibernate-Types

Introduction As already explained, the hibernate-types open-source project allows you to map JSON, ARRAY when using JPA and Hibernate. Since I launched this project, one of the most wanted feature was to add support for customizing the underlying Jackson ObjectMapper, and since version 2.1.1, this can be done either declaratively or programmatically. In this article, you are going to see how do customize the ObjectMapper when using the hibernate-types project.