public Developer(string id, string firstName, string lastName, decimal salary, Department department, ISet<Project> projects = null)
: base(id, firstName, lastName, salary, department)
{
this.Projects = projects ?? new HashSet<Project>();
}
public Manager(string id, string firstName, string lastName, decimal salary, Department department, ISet<Employee> employees = null)
: base(id, firstName, lastName, salary, department)
{
this.Employees = employees ?? new HashSet<Employee>();
}
public SalesEmployee(string id, string firstName, string lastName, decimal salary, Department department, ISet<Sale> sales = null)
: base(id, firstName, lastName, salary, department)
{
this.Sales = sales ?? new HashSet<Sale>();
}
protected Employee(string id, string firstName, string lastName, decimal salary, Department department)
: base(id, firstName, lastName)
{
this.Salary = salary;
this.Department = department;
}
