/// <summary>
/// Sorts zoo animals.
/// </summary>
/// <param name="sortType">The type of sorting algorithm to be used.</param>
/// <param name="sortValue">The value to be sorted with.</param>
/// <returns>A sorted list.</returns>
private SortResult SortObjects(string sortType, string sortValue, IList list)
{
Func <object, object, int> sortFunc;
if (sortValue == "animalname")
{
sortFunc = AnimalNameSortComparer;
}
else if (sortValue == "guestname")
{
sortFunc = GuestNameSortComparer;
}
else if (sortValue == "weight")
{
sortFunc = WeightSortComparer;
}
else if (sortValue == "age")
{
sortFunc = AgeSortComparer;
}
else
{
sortFunc = MoneyBalanceSortComparer;
}
SortResult result = new SortResult();
switch (sortType)
{
case "bubble":
result = SortHelper.BubbleSort(list, sortFunc);
break;
case "selection":
result = SortHelper.SelectionSort(list, sortFunc);
break;
case "insertion":
result = SortHelper.InsertionSort(list, sortFunc);
break;
case "quick":
if (sortValue == "weight")
{
result = SortHelper.QuickSort(list, 0, list.Count - 1, result, sortFunc);
}
break;
}
return(result);
}
/// <summary>
/// Sorts the zoo's list of animals.
/// </summary>
/// <param name="sortType">The type of sort to perform.</param>
/// <param name="sortValue">The value on which to sort.</param>
/// <param name="list">The list to be sorted.</param>
/// <returns>The result of sorting (number of swaps and number of comparisons).</returns>
public SortResult SortObjects(SortType sortType, string sortValue, IList list)
{
SortResult result = null;
Func <object, object, int> comparer;
switch (sortType)
{
case SortType.Bubble:
if (sortValue == "animalName")
{
comparer = AnimalNameSortComparer;
result = SortHelper.BubbleSort(list, comparer);
}
else if (sortValue == "guestName")
{
comparer = GuestNameSortComparer;
result = SortHelper.BubbleSort(list, comparer);
}
else if (sortValue == "moneyBalance")
{
comparer = MoneyBalanceSortComparer;
result = SortHelper.BubbleSort(list, comparer);
}
else if (sortValue == "age")
{
comparer = AgeSortComparer;
result = SortHelper.BubbleSort(list, comparer);
}
else
{
comparer = WeightSortComparer;
result = SortHelper.BubbleSort(list, comparer);
}
break;
case SortType.Selection:
if (sortValue == "animalName")
{
comparer = AnimalNameSortComparer;
result = SortHelper.SelectionSort(list, comparer);
}
else if (sortValue == "guestName")
{
comparer = GuestNameSortComparer;
result = SortHelper.SelectionSort(list, comparer);
}
else if (sortValue == "moneyBalance")
{
comparer = MoneyBalanceSortComparer;
result = SortHelper.SelectionSort(list, comparer);
}
else if (sortValue == "age")
{
comparer = AgeSortComparer;
result = SortHelper.SelectionSort(list, comparer);
}
else
{
comparer = WeightSortComparer;
result = SortHelper.SelectionSort(list, comparer);
}
break;
case SortType.Insertion:
if (sortValue == "animalName")
{
comparer = AnimalNameSortComparer;
result = SortHelper.InsertionSort(list, comparer);
}
else if (sortValue == "guestName")
{
comparer = GuestNameSortComparer;
result = SortHelper.InsertionSort(list, comparer);
}
else if (sortValue == "moneyBalance")
{
comparer = MoneyBalanceSortComparer;
result = SortHelper.InsertionSort(list, comparer);
}
else if (sortValue == "age")
{
comparer = AgeSortComparer;
result = SortHelper.InsertionSort(list, comparer);
}
else
{
comparer = WeightSortComparer;
result = SortHelper.InsertionSort(list, comparer);
}
break;
case SortType.Shell:
if (sortValue == "animalName")
{
comparer = AnimalNameSortComparer;
result = SortHelper.ShellSort(list, comparer);
}
else if (sortValue == "guestName")
{
comparer = GuestNameSortComparer;
result = SortHelper.ShellSort(list, comparer);
}
else if (sortValue == "moneyBalance")
{
comparer = MoneyBalanceSortComparer;
result = SortHelper.ShellSort(list, comparer);
}
else if (sortValue == "age")
{
comparer = AgeSortComparer;
result = SortHelper.ShellSort(list, comparer);
}
else
{
comparer = WeightSortComparer;
result = SortHelper.ShellSort(list, comparer);
}
break;
case SortType.Quick:
Stopwatch sw = new Stopwatch();
sw.Start();
SortResult sortResult = new SortResult();
if (sortValue == "animalName")
{
comparer = AnimalNameSortComparer;
SortHelper.QuickSort(list, 0, list.Count - 1, sortResult, comparer);
}
else if (sortValue == "guestName")
{
comparer = GuestNameSortComparer;
SortHelper.QuickSort(list, 0, list.Count - 1, sortResult, comparer);
}
else if (sortValue == "moneyBalance")
{
comparer = MoneyBalanceSortComparer;
SortHelper.QuickSort(list, 0, list.Count - 1, sortResult, comparer);
}
else if (sortValue == "age")
{
comparer = AgeSortComparer;
SortHelper.QuickSort(list, 0, list.Count - 1, sortResult, comparer);
}
else
{
comparer = WeightSortComparer;
SortHelper.QuickSort(list, 0, list.Count - 1, sortResult, comparer);
}
sw.Stop();
sortResult.ElapsedMilliseconds = sw.Elapsed.TotalMilliseconds;
result = sortResult;
break;
default:
break;
}
return(result);
}