public static void Serialization(string fileName = "SerializedCollection.txt")
{
MyLinkedList <Circle> list = new MyLinkedList <Circle>(new Circle(15), new Circle(10), new Circle(7), new Circle(99), new Circle(1));
Console.WriteLine("Collection:");
Console.WriteLine(list);
BinaryFormatter bf = new BinaryFormatter();
try
{
using Stream stream = File.Open(fileName, FileMode.Create);
bf.Serialize(stream, list);
Console.WriteLine($"Collection {nameof(list)} serialized into the \"{fileName}\"");
}
catch (SerializationException)
{
Console.WriteLine("Serialization error");
}
}
public void Invalidate()
{
list = null;
next = null;
prev = null;
}
public Node(MyLinkedList <T> list, T value)
{
this.list = list;
item = value;
}
public static void Collections()
{
Console.WriteLine("Enter value for number of collection elements to search");
int numOfElem = int.Parse(Console.ReadLine());
MyLinkedList <Circle> list1 = new MyLinkedList <Circle>(new Circle(15), new Circle(7));
//Создаем элементы для коллекции
Circle cir1 = new Circle(8);
Circle cir2 = new Circle(4);
Circle cir3 = new Circle(9);
Circle cir4 = new Circle(20);
Circle cir5 = new Circle(5);
list1.Add(cir1);
list1.Add(cir2);
list1.Add(new Circle(10));
Node <Circle> node = list1.Add(cir3);
list1.AddBefore(node, cir4);
list1.AddFirst(cir5);
Console.WriteLine("Collection before sorting:");
list1.DisplayToConsole();
Console.WriteLine("=======================================================================");
Console.WriteLine("Collection after sorting with internal method");
list1.BubbleSort();
list1.DisplayToConsole();
Console.WriteLine("=======================================================================");
Console.WriteLine("Collection elements sorted by area via linq:");
var Circles = from cir in list1 orderby cir.Square() descending select cir;
int index = 0;
foreach (var cir in Circles)
{
Console.WriteLine($" {index}: {cir}");
index++;
}
Console.WriteLine("=======================================================================");
Console.WriteLine("Collection saved into a file");
list1.SaveToFile();
Console.WriteLine("=======================================================================");
Console.WriteLine("Output from file:");
using (StreamReader sr = File.OpenText("MyLinkedList.txt"))
{
Console.Write(sr.ReadToEnd());
}
Console.WriteLine("=======================================================================");
MyLinkedList <Circle> list2 = new MyLinkedList <Circle>(new Circle(10), new Circle(99), new Circle(1), new Circle(10), new Circle(99), new Circle(1));
MyLinkedList <Circle> list3 = new MyLinkedList <Circle>(new Circle(7), new Circle(9), new Circle(15), new Circle(17));
MyLinkedList <Circle> list4 = new MyLinkedList <Circle>(new Circle(7));
MyLinkedList <Circle>[] listArray = new[] { list1, list2, list3, list4 };
Console.WriteLine($"\n\n{' ',32}LINQ Queries:");
//Запрос 1: найти количество коллекций у которых кол-во элементов равно какому-то числу
var collectionsWithSixElelms = from list in listArray
where list.Count == numOfElem
select list;
Console.WriteLine($"Collections with {numOfElem} elements:");
foreach (var item in collectionsWithSixElelms)
{
Console.WriteLine(item);
}
Console.WriteLine("=======================================================================");
//Запрос 2: найти минимальную коллекцию и максимальную коллекции (выберем по количеству элементов)
var lists = from list in listArray orderby list.Count ascending select list;
Console.WriteLine($"Min collection by number of elemnts:\n{lists.First()}");
Console.WriteLine("=======================================================================");
Console.WriteLine($"Max collection by number of elements:\n{lists.Last()}");
Console.WriteLine("=======================================================================");
}
