this.roles = value;
    }

    public String getRoomNumber() {
        checkSpecifiedProperty("roomNumber");
        return convertEmptyToNull(roomNumber);
    }

    public void setRoomNumber(String value) {
        registerModifiedProperty("roomNumber");
        this.roomNumber = value;
    }

    public String getState() {
        checkSpecifiedProperty("state");

        setupEpg(_epgMap, et -> ((User) et).getRoles(), (et, vl) -> ((User) et).setRoles((String[]) vl), "roles");
        setupEpg(_epgMap, et -> ((User) et).getRoomNumber(), (et, vl) -> ((User) et).setRoomNumber(DfTypeUtil.toString(vl)), "roomNumber");
        setupEpg(_epgMap, et -> ((User) et).getState(), (et, vl) -> ((User) et).setState(DfTypeUtil.toString(vl)), "state");

            result.setRegisteredAddress(DfTypeUtil.toString(source.get("registeredAddress")));
            result.setRoles(toStringArray(source.get("roles")));
            result.setRoomNumber(DfTypeUtil.toString(source.get("roomNumber")));
            result.setState(DfTypeUtil.toString(source.get("state")));
            result.setStreet(DfTypeUtil.toString(source.get("street")));

    }

    @Test
    public void test_user_roomNumber() {
        final User user = new User();
        assertNull(user.getRoomNumber());

        user.setRoomNumber("101");
        assertEquals("101", user.getRoomNumber());
    }

    @Test
    public void test_user_mobile() {
        final User user = new User();
        assertNull(user.getMobile());