Soft delete and JPA version property
Introduction In this article, we are going to see how we can implement a soft delete mechanism when the JPA entity features a version property. If you are not using a version property for optimistic locking, then you can implement the soft delete strategy, as explained in this article.
Spring Data Query By Example
Introduction In this article, we are going to see how the Spring Data JPA Query By Example (QBE) feature works, when you should use it, and what limitations it has. While Spring Data JPA already provides a wide range of options to query data: query methods or the @Query annotation Spring Data JPA Specification custom Repository query methods The Spring Data Query By Example feature is meant to offer a way to decouple the data filtering logic from the query processing engine so that you can allow the data access layer clients… Read More
The best way to validate the DDL schema with Spring and Hibernate
Introduction In this article, we are going to see what is the best way to validate the DDL schema and the JPA entity mappings when using Spring and Hibernate. I decided to write this article after reading this Tweet:
The best way to use the Spring Data JPA Specification
Introduction In this article, we are going to see what is the best way to use the Spring Data JPA Specification when combining multiple predicates with the result set ordering logic. While you can also use query methods or the @Query annotation to define your Spring Data queries, the Spring Data JPA Specification allows you to compose dynamically various filtering criteria, which may be very convenient when you’d, otherwise, end up with lots of query method permutations.
