public override void Execute()
{
Employee emp = database.GetUnionMember(memberId);
if (emp != null)
{
UnionAffiliation unionAffiliation = emp.Affiliation as UnionAffiliation;
if (unionAffiliation != null)
{
ServiceCharge sc = new ServiceCharge(amount, date);
unionAffiliation.AddServiceCharge(sc);
}
else
{
throw new ApplicationException("not join Union Affiliaction.");
}
}
else
{
throw new ApplicationException("no such employee");
}
}
public void AddServiceCharge(ServiceCharge sc)
{
charges[sc.Date] = sc;
}