Maybe it's easier to roll out the complete scenario:
I have
- a CONVERSATIONAL-scoped User entity
- an Authenticator class which outjects the User entity
- a CONVERSATIONAL-scoped userAction EJB which encapsulates the above mentioned
login method (and the corresponding logout method)
The EJB injects the User entity.
Now, I want the User entity to live in a long running conversation context
after successfully logging in until the user logs out.
Here's the beginning of my EJB:
| @Stateful
| @Scope(ScopeType.CONVERSATION)
| @Name("userAction")
| public class UserActionImpl implements UserAction
| {
| @Logger private Log log;
|
| @In
| FacesMessages facesMessages;
|
| @In(value="entityManager")
| private EntityManager em;
|
| @In(required=false) @Out(required=false)
| private User user;
|
| @Begin
| public Object login()
| {
| log.info("****** USER 1 : ", user);
| Object object = Identity.instance().login();
| log.info("****** USER 2 : ", user);
| return object;
| }
|
| @End
| public Object logout()
| {
| Identity.instance().logout();
| return "success";
| }
|
| [...]
|
BTW: both log.info(...)'s print null to the console.
Here's the beginning of my User entity:
| @Entity
| @Scope(ScopeType.CONVERSATION)
| @Name("user")
| @Table(name="tzuser")
| @javax.persistence.SequenceGenerator(
| name="s_tzuser",
| sequenceName="s_tzuser")
| public class User implements Serializable
| {
| private static final long serialVersionUID = 3366658268468153076L;
|
| [...]
|
And finally the Authenticator Bean:
| @Name("authenticator")
| public class Authenticator
| {
| @Logger Log log;
|
| @In
| private Identity identity;
|
| @In(value="entityManager")
| private EntityManager entityManager;
|
| @Out(required=false)
| private User user;
|
| public boolean authenticate()
| {
| log.info("authenticating #0", identity.getUsername());
|
| //write your authentication logic here,
| //return true if the authentication was
| //successful, false otherwise
|
| try
| {
| user = (User) entityManager.createQuery(
| "from User where username = :username and password =
:password")
| .setParameter("username", identity.getUsername())
| .setParameter("password", identity.getPassword())
| .getSingleResult();
|
| if( user.getRoles() != null )
| {
| for( Role role : user.getRoles() )
| identity.addRole(role.getName());
| }
|
| //FacesMessages.instance().add("Successfully authenticated #0",
identity.getUsername());
| log.info("Successfully authenticated #0",
identity.getUsername());
| return true;
| }
| catch( NoResultException e )
| {
| //FacesMessages.instance().add("Invalid username/password");
| log.info("authentication of #0 failed.",
identity.getUsername());
| return false;
| }
| catch( Exception e )
| {
| FacesMessages.instance().add("Unexpected error occurred.");
| log.error("Unexpected error occurred", e);
| return false;
| }
| }
| }
|
Ok, I hope someone can help me with that.
Thanks i.a.,
Mark
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