Greetings!
I have an entity bean called person which has a 1:n relationship to another
entity bean called job, which contains all jobs that this person has ever had.
now, i'd like to have a function in person, which gives me only one of these
jobs, namely the one he's currently working for.
i did it already, and it nearly works, it looks like this:
Job s;
@Transient
public Stelle getCurrentJob() {
if(s==null){
EntityManager em = (EntityManager)
Component.getInstance("entityManager");
Long sid = (Long)
em.createQuery("fanceql").setParameter("id", this.id).getSingleResult();
s = em.find(Job.class,sid);
}
return s;
}
The problem is, that changes to Job are not saved to the database. why aren't
they?
is this bad design? how would you do it?
niko
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