public static IComparer <Worker> SortedBy(SortParametr parametr)
{
switch (parametr)
{
case SortParametr.Name: return(new SortWorkersByName());
case SortParametr.Salary: return(new SortWorkersBySalary());
case SortParametr.Age: return(new SortWorkersByAge());
case SortParametr.Position: return(new SortWorkersByPosition());
default: return(null);
}
}
/// <summary>
/// сортировка словаря
/// </summary>
/// <typeparam name="T">тип сортировочного элемента</typeparam>
/// <param name="func">делегат соритровки</param>
/// <param name="sortParametr">параметр сортировки</param>
/// <returns></returns>
public static Dictionary <char, double> DictionaryFerquencySort <T>(Func <KeyValuePair <char, double>, T> func, SortParametr sortParametr)
{
var sortList = frequency.OrderByDescending(func).Select(d => new { Symbol = d.Key, Frequency = d.Value });
if (sortParametr == SortParametr.Ascending)
{
sortList.Reverse();
}
var sortDict = new Dictionary <char, double>();
foreach (var c in sortList)
{
sortDict.Add(c.Symbol, c.Frequency);
}
return(sortDict);
}
