From the course: Java Persistence with JPA and Hibernate

Unlock the full course today

Join today to access over 24,400 courses taught by industry experts.

Solution: Art Class Management app, part 4

Solution: Art Class Management app, part 4 - JPA Tutorial

From the course: Java Persistence with JPA and Hibernate

Start my 1-month free trial Buy for my team

Solution: Art Class Management app, part 4

“

(upbeat music) - Here's my solution to this challenge. To implement a unidirectional one-to-one relationship between the art class and the teacher. In the art class entity, I've declared a field named teacher of type teacher. Then it's annotated with at one-to-one annotation. As the art class entity should be considered as the owner of the relationship. The @ join column annotation is also placed on the field with its name attributes set to teacher_id, which is the foreign key. To verify if the one-to-one relationship is established correctly, in the main class, in one-to-one relationship method, I create a new art class and teach Entity and Persist step. Now run it. You should get the SQL insert statements in the console. Next to implement a one to many and a minute to-one relationship between teacher and review, be the review entity as the owner of the relationship. Starting from the review class, I declare a field named teacher of type teacher. Then annotated with the @ManyToOne…

Contents