Have JPA/Hibernate to replicate the “ON DELETE SET NULL” functionality

Question

I\'ve been able to have JPA/Hibernate to replicate the ON DELETE CASCADE functionality successfully (seems like the default behaviour) but I\'m now trying to re

Answer 1

It doesn't appear to be possible at the moment with jpa/hibernate.

On delete set null in hibernate in @OneToMany

JBs solution seems clean though:

for (Department child : parent.getChildren()) {
    child.setParentDepartment(null);
}
session.delete(parent);

You should also be able to put it in a PreRemove:

@PreRemove
private void preRemove() {
    for (Student s : studentList) {
        s.setTeacher(null);
    }
}