1.I have two login and logout in same web applications.
     The first screen has username and password where we can login into the web application.
  After login i have a link called(Admin) from where i can login to administration screen..
  and create users and logout from administration.
 Finally i can logout from the main screen where entered username and password to login into web application.
  how can i use the same Identity build in class to do authetication..
 (Identity identity = Identity.instance();)



2.I have a java object call saasAdmin it has following fields..

 private String userName;
 private String firstName;
 private String lastName;
 private String encryptedUserPassword;
 private String email
        ..... etc

(or)
  I there any way to implement authetication (login and logout) without using ... Identity build in class..


    1.Currently i am doing getting the username password if exists.. putting object(saasAdmin) into session...


  how to remove the invalidate session in jboss seam.. [I want to remove the (saasAdmin) object from session. ]

please help me...