@SessionScoped @Named
public class HomeBean implements Serializable{
	private static final long serialVersionUID = 1L;

	@Inject
	private ICustomShopUser shopUser;
...

@SessionScoped
public class CustomShopUser implements  ICustomShopUser {
	private static final long serialVersionUID = 1L;
	private TCustomShopUser customShopUser = new TCustomShopUser(null,null);
	
	@Override
	public TCustomShopUser getCustomShopUser() {
		return customShopUser;
	}
}

@SessionScoped @Named
public class LoginBean implements Serializable{
	private static final long serialVersionUID = 1L;
	
	@Inject @SessionScoped
	private ICustomShopUser shopUser;
...