public EmployeeDaoStub() {
        map = new HashMap<Integer, Employee>();
        for (int i = 0; i < 10; i++) {
            Employee employee = new Employee();
            employee.setEmail("v@pupkin" + i + ".com");
            employee.setFirstName("Vasya" + i);
            employee.setId((long) i);
            employee.setLastName("Pupkin" + i);
            map.put(i,employee);
        }
    }