[jboss-user] [JBoss Seam] - Does #{identity.login} start a long running conversation?
Hello guys,
I'm a bit confused. Does #{identity.login} start a long running conversation? I'm
just asking because after successfully logging in, my User entity bean which I have
outjected in the Authenticator.authenticate() method and injected in my
conversational-scoped Stateful EJB still lives after every other click.
I have no @Begin/@End annotations declared myself.
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;
|
| [...]
And here's my Authenticator class:
@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;
| }
| }
| }
Like you can see: it's just out- and injecting the User which I expect to live for
only one cycle (when no long running conversation exists). But I can click on my
'show-user-details' form as many times as I want and - magic - every other time
the user's properties are displayed. Don't misunderstand me, this is exactly the
behaviour I want but I thought I would have to start a long running conversation
manually.
Can someone explain that 'magic' to me?
Thanks i.a.,
Mark
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