@Entity
@Table(name = "pnp_user")
public class User implements Serializable
{
   protected Integer userId;
   protected String username;
   protected String forename;
   protected String surname;
   protected EMailAddress email;
   protected String password;
   protected Date signUpDate;
   protected Boolean accountActive;

   public User(Integer userId, String username, String forename,
         String surname, String password, Date signUpDate,
         Boolean accountActive) {
      this.userId = userId;
      this.username = username;
      this.forename = forename;
      this.surname = surname;
      this.password = password;
      this.signUpDate = signUpDate;
      this.accountActive = accountActive;
   }

   public User() {
   }

   @Embedded
   @AttributeOverrides(@AttributeOverride(name = "address", column = @Column(name = "EMAIL_ADDRESS")))
   public EMailAddress getEmail() {
      return email;
   }

   public void setEmail(EMailAddress email) {
      this.email = email;
   }

   @Column(name = "FORENAME", nullable = false, length = 48)
   public String getForename() {
      return forename;
   }

   public void setForename(String forename) {
      this.forename = forename;
   }

   @Column(name = "PASSWORD", nullable = false, length = 32)
   public String getPassword() {
      return password;
   }

   public void setPassword(String password) {
      this.password = password;
   }

   @Column(name = "SURNAME", nullable = false, length = 48)
   public String getSurname() {
      return surname;
   }

   public void setSurname(String surname) {
      this.surname = surname;
   }

   @Id
   @GeneratedValue(strategy = GenerationType.AUTO)
   public Integer getUserId() {
      return userId;
   }

   public void setUserId(Integer userId) {
      this.userId = userId;
   }

   @Column(updatable = false, name = "USERNAME", nullable = false, length = 32, unique = true)
   public String getUsername() {
      return username;
   }

   public void setUsername(String username) {
      this.username = username;
   }

   @Temporal(TemporalType.DATE)
   @Column(nullable = false, name = "SIGNUP_DATE")
   public Date getSignUpDate() {
      return signUpDate;
   }

   public void setSignUpDate(Date signUpDate) {
      this.signUpDate = signUpDate;
   }

   @Column(name = "ACCOUNT_ACTIVE", nullable = false)
   public Boolean getAccountActive() {
      return accountActive;
   }

   public void setAccountActive(Boolean accountActive) {
      this.accountActive = accountActive;
   }
}

@Embeddable
public class EMailAddress implements Serializable
{
   protected String address;

   public EMailAddress(String address) {
      this.address = address;
   }

   public EMailAddress() {
   }

   public String getAddress() {
      return address;
   }

   public void setAddress(String address) {
      this.address = address;
   }
}

<hibernate-configuration>
   <session-factory>
      <property name="connection.datasource">
         java:comp/env/jdbc/pnponline
      </property>
      <property name="dialect">
         org.hibernate.dialect.MySQLInnoDBDialect
      </property>
      <property name="show_sql">true</property>
      <mapping class="com.byteholder.pnp.domain.User" />
      <mapping class="com.byteholder.pnp.domain.EMailAddress" />
   </session-factory>
</hibernate-configuration>