public override bool Equals(object obj)
{
Megapolis temp = obj as Megapolis;
if (temp == null)
{
return(false);
}
return(this.Country.Equals(temp.Country) && (this.City.Equals(temp.City)));
}
public static void CitiesinRussia1(List <List <Mesto> > ListOfElements)
{
Func <Mesto, bool> searchFilter = delegate(Mesto place) { return(place is Megapolis && place.Country == "Россия"); };
Func <Mesto, string> itemToProcess = delegate(Mesto t) { Megapolis m = t as Megapolis; return(m.City); };
for (int i = 0; i < ListOfElements.Count; i++)
{
var res1 = ListOfElements[i].Where(searchFilter).Select(itemToProcess);
foreach (string t in res1)
{
Console.WriteLine(t);
}
}
}
public static List <Mesto> Generate(int size, List <Mesto> listofelem)
//Заполенение коллекции длины size случайными элементами
{
listofelem = new List <Mesto>();
for (int i = 0; i < size; i++)
{
int option = rnd.Next(0, 4);//Случайное значение - номер класса элемента который добавляется
switch (option)
{
case 0:
Megapolis mp = new Megapolis();
mp.Generate();
Console.WriteLine(mp.ToString());
listofelem.Add(mp);
break;
case 1:
Oblast ob = new Oblast();
ob.Generate();
Console.WriteLine(ob.ToString());
listofelem.Add(ob);
break;
case 2:
Gorod ct = new Gorod();
ct.Generate();
Console.WriteLine(ct.ToString());
listofelem.Add(ct);
break;
case 3:
Address adr = new Address();
adr.Generate();
Console.WriteLine(adr.ToString());
listofelem.Add(adr);
break;
}
}
return(listofelem);
}