A innovation of Dictionary got excellent solution in stocking data. After countless uses I decided to find alternative method in combination of key and object and now I offering KeyedCollection. Little example will present a using of aforementioned object:
Simple classes:
public class User
{
public int Id { get; set; }
public string Name { get; set; }
public Address Address { get; set; }
}
public class Address
{
public string Country { get; set; }
public string City { get; set; }
public string Zip { get; set; }
}
Two object that inherits abstract KeyedCollections:
/// <summary>
///A key is ID of player
/// </summary>
public class UserCollection : KeyedCollection<int, User>
{
//Implementing member
protected override int GetKeyForItem(User item)
{
return item.Id;
}
}
/// <summary>
/// A key is User Name
/// </summary>
public class UserCollection1 : KeyedCollection<string, User>
{
//Implementing member
protected override string GetKeyForItem(User item)
{
return item.Name;
}
}
Little example to using:
public class Test
{
public TestById()
{
var userCollection = new UserCollection();
userCollection.Add(new User
{
Id = 5,
Name = "John Smith",
Address = new Address
{
City = "NY",
Country = "USA",
Zip = "12345"
}
});
userCollection.Add(new User
{
Id = 17,
Name = "James Brown",
Address = new Address
{
City = "LA",
Country = "USA",
Zip = "54321"
}
});
Console.Write(userCollection[6]);
}
public void TestByName()
{
var userCollection = new UserCollection1();
userCollection.Add(new User
{
Id = 5,
Name = "John Smith",
Address = new Address
{
City = "NY",
Country = "USA",
Zip = "12345"
}
});
userCollection.Add(new User
{
Id = 17,
Name = "James Brown",
Address = new Address
{
City = "LA",
Country = "USA",
Zip = "54321"
}
});
Console.Write(userCollection["John Smith"]);
}
}
If a project in VS 2008 you can run in heritable object LINQ requests and more. Enjoy!
