Server-side Java

Our Java EE application for the caseworker system is built around RESTful services, Java WebSocket, JSON-P, and Java Persistence.

Tip

This section of the book relies on a prior understanding of Java EE development from the elementary level. I recommend that you read the sister book Java EE 7 Development Handbook, especially if you find some of these topics difficult to follow.

Entity objects

The server-side would be nothing without a couple of domain objects. It should not be surprising that these are called CaseRecord and Task.

The following is the extracted CaseRecord entity object with full annotations:

@NamedQueries({
  @NamedQuery(name="CaseRecord.findAllCases",
    query = "select c from CaseRecord c order by c.lastName, c.firstName"),
    /* ... */
})
@Entity
@Table(name = "CASE_RECORD")
public class CaseRecord {
  @Id @GeneratedValue(strategy = GenerationType.AUTO)
  private Integer id;
  @NotEmpty @Size(max=64) private String lastName;
  @NotEmpty @Size(max=64) private...