Session session = openSession();
Transaction txn = session.beginTransaction();
User user = new User( "test" );
user.addMail( "test" );
user.addMail( "test" );
session.save( user );
txn.commit();
session.close();
session = openSession();
txn = session.beginTransaction();
user = ( User ) session.load( User.class, user.getId() );
session.delete( user );
txn.commit();
session.close();
session = openSession();
txn = session.beginTransaction();
session.createQuery( "delete from Mail where alias = :alias" ).setString( "alias", "test" ).executeUpdate();
session.createQuery( "delete from User where userid = :userid" ).setString( "userid", "test" ).executeUpdate();
txn.commit();
session.close();
