public Dependent4 persistDependent4(EntityManager em, int id, Employee4 p) {
Dependent4 c = new Dependent4();
c.setId(id);
c.setParent(p);
em.persist(c);
return c;
}
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;
}
