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;
}
public static void main(String[] args) {
// fill the staff array with three Employee4 objects
Employee4[] staff = new Employee4[3];
staff[0] = new Employee4("Tom", 40000);
staff[1] = new Employee4("Dick", 60000);
staff[2] = new Employee4("Harry", 65000);
// print out information about all Employee4 objects
for (Employee4 e : staff) {
e.setId();
System.out.println("name=" + e.getName() + ",id=" + e.getId() + ",salary=" + e.getSalary());
}
int n = Employee4.getNextId(); // calls static method
System.out.println("Next available id=" + n);
}
public static void main(String[] args) // unit test
{
Employee4 e = new Employee4("Harry", 50000);
System.out.println(e.getName() + " " + e.getSalary());
}
