public Employee4 persistEmployee4(EntityManager em, int id) {
Employee4 p = new Employee4();
p.setAge(id);
for (int i = 0; i < numDependentsPerEmployee; i++) {
Dependent4 c = persistDependent4(em, dId4++, p);
p.addChild(c);
}
em.persist(p);
return p;
}
public Employee4 mergeEmployee4(EntityManager em, int id) {
Employee4 e = new Employee4();
e.setAge(id);
e = em.merge(e);
for (int i = 0; i < numDependentsPerEmployee; i++) {
Dependent4 d = new Dependent4();
d.setId(dId4++);
d.setParent(e);
// do not need to merge d, as Employee is cascade.All
d = em.merge(d);
e.addChild(d);
}
return e;
}
