static void Main(string[] args)
{
// В проекте CompositeKeyCollection имеется 3 реализации класса коллекций с композитными (составными) ключами:
// 1. CompositeKeyCollection<TKey1, Tkey2, TData> - обычная обобщенная реализация класса коллекции (не потокобезопасная)
// 2. ThreadSafeCompositeKeyCollection<Tkey1, Tkey2, TData> - потокобезопасная реализация класса CompositeKeyCollection<TKey1, TKey2, TData>
// 3. TransactionalCompositeKeyCollection<TKey1, TKey2, TData> - класс коллекции с комопозитными ключами и поддержкой транзакционности на операции вставки и удаления записей в коллекцию (PS.: пока еще не потокобезопасная)
// Примеры использования коллекций:
// 1. CompositeKeyCollection<TKey1, Tkey2, TData>
var currentDate = DateTime.Today;
var tasksDoneCollection1 = new CompositeKeyCollection <UserType, string, int>();
tasksDoneCollection1.Add(new UserType(currentDate), "Developers", 10);
tasksDoneCollection1.Add(new UserType(currentDate), "Managers", 12);
tasksDoneCollection1.Add(new UserType(currentDate.AddDays(1)), "Developers", 7);
PrintCollection(tasksDoneCollection1);
var key1 = new UserType(currentDate);
var key2 = "Developers";
tasksDoneCollection1.Remove(key1, key2);
PrintCollection(tasksDoneCollection1);
key1 = new UserType(currentDate.AddDays(1));
var items = tasksDoneCollection1.Find(key1, key2);
Console.WriteLine("Items found: {0}", items.Count);
var value = tasksDoneCollection1[key1, key2];
Console.WriteLine("Value in dictionary: {0}", value);
tasksDoneCollection1.Clear();
// 2. ThreadSafeCompositeKeyCollection<Tkey1, Tkey2, TData>
_collection2 = new ThreadSafeCompositeKeyCollection <UserType, string, int>();
Task.Run(() => RunFirstWriteThread());
Task.Run(() => RunSecondWriteThread());
Task.Run(() => RunShowKeyCountThread());
// 3.TransactionalDictionary<TKey1, TKey2, TData>
var collection3 = new TransactionalCompositeKeyCollection <UserType, string, int>();
collection3.Add(new UserType(DateTime.Today), "Managers", 10);
collection3.Add(new UserType(DateTime.Today), "Analitics", 15);
// adding an invalid object to the collection
try
{
collection3.Add(null, "Developers", 20);
}
catch (ArgumentNullException ex) { }
Console.Read();
}
public void RemovingItemsFromCompositeKeyCollectionTest()
{
DateTime todayDt = DateTime.Today;
var taskDoneCollection = new CompositeKeyCollection <UserType, string, int>();
taskDoneCollection.Add(new UserType(todayDt), "Developers", 10);
taskDoneCollection.Add(new UserType(todayDt), "Managers", 12);
taskDoneCollection.Add(new UserType(todayDt), "Analiytics", 15);
taskDoneCollection.Remove(new UserType(todayDt), "Developers");
taskDoneCollection.Remove(new UserType(todayDt), "Analiytics");
const int expectedRecordsCount = 1;
int actualRecordsCount = taskDoneCollection.Count;
Assert.AreEqual(expectedRecordsCount, actualRecordsCount);
bool keyExist = taskDoneCollection.ContainsKey(new UserType(todayDt), "Managers");
Assert.IsTrue(keyExist);
}
static void Main(string[] args)
{
var collection = new CompositeKeyCollection <int, string, Emploee>();
collection.Add(1, "Nikita", new Emploee("Java Developer", 340_000));
collection.Add(1, "Valera", new Emploee("JS Developer", 345_000));
collection.Add(2, "Nikita", new Emploee("C# Developer", 330_000));
var id1 = collection.GetById(1);
PrintValues(id1);
Console.WriteLine();
collection.Remove(1, "Valera");
id1 = collection.GetById(1);
PrintValues(id1);
Console.WriteLine();
var nikitas = collection.GetByName("Nikita");
PrintValues(nikitas);
Console.WriteLine();
var nikita = collection[2, "Nikita"];
Console.WriteLine(nikita);
Console.WriteLine();
collection.Add(2, "Vladimir", new Emploee("Manager", 450_000));
var id2 = collection.GetById(2);
PrintValues(id2);
Console.WriteLine();
collection[2, "Nikita"] = new Emploee("Senior C# Developer", 360_000);
nikita = collection[2, "Nikita"];
Console.WriteLine(nikita);
}