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1 package org.jboss.tutorial.extended.bean;
2
3 import javax.annotation.EJB;
4 import javax.ejb.Remote  ;
5 import javax.ejb.Remove ;
6 import javax.ejb.Stateful ;
7 import javax.persistence.EntityManager;
8 import javax.persistence.FlushMode;
9 import javax.persistence.FlushModeType;
10 import javax.persistence.PersistenceContext;
11 import javax.persistence.PersistenceContextType;
12
13
18 @Stateful
19 @Remote (ShoppingCart.class)
20 public class ShoppingCartBean implements ShoppingCart
21 {
22 @PersistenceContext(type=PersistenceContextType.EXTENDED) EntityManager em;
23
24 @EJB StatelessLocal stateless;
25
26 private Customer customer;
27
28 public long createCustomer()
29 {
30 customer = new Customer();
31 customer.setName("William");
32 em.persist(customer);
33 return customer.getId();
34 }
35
36 public void update()
37 {
38 customer.setName("Bill");
39 }
40 public void update2()
41 {
42 customer.setName("Billy");
43 }
44
45 public void update3()
46 {
47 stateless.update(customer);
48 }
49
50 public Customer find(long id)
51 {
52 return em.find(Customer.class, id);
53 }
54
55 @FlushMode(FlushModeType.NEVER)
56 public void never()
57 {
58 customer.setName("Bob");
59 }
60
61
62
63 @Remove
64 public void checkout()
65 {
66 em.flush();
67 }
68 }
69 |
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