code: protected final Optional<UserAccount> getActiveUserAccount() {
  		final DataContainer<UserAccount, Long> dataContainer = getApplicationManager()
  				.getDataContainer(UserAccount.class);
  		return dataContainer
  				.getAllBy(UserAccount_.userId, UserContextUtil.getUserIdFromSecurityContext()).stream().findFirst();
  	}
docs: Gets the active user account.
  
  @return the active user account