PIbd-21_MalafeevL.S._Cruise.../Cruiser/Generics/SetGeneric.cs

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using Cruiser.Exceptions;
using System;
using System.Collections.Generic;
using System.Diagnostics.Eventing.Reader;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace Cruiser.Generics
{
/// <summary>
/// Параметризованный набор объектов
/// </summary>
/// <typeparam name="T"></typeparam>
internal class SetGeneric<T>
where T : class
{
/// <summary>
/// Список объектов, которые храним
/// </summary>
private readonly List<T?> _places;
/// <summary>
/// Количество объектов в списке
/// </summary>
public int Count => _places.Count;
/// <summary>
/// Максимальное количество объектов в списке
/// </summary>
private readonly int _maxCount;
/// <summary>
/// Конструктор
/// </summary>
/// <param name="count"></param>
public SetGeneric(int count)
{
_maxCount = count;
_places = new List<T?>(count);
}
/// <summary>
/// Добавление объекта в набор
/// </summary>
/// <param name="cruiser">Добавляемый лайнер</param>
/// <returns></returns>
public bool Insert(T cruiser, IEqualityComparer<T?>? equal = null) //починил код, работал неправильно
{
if (_places.Count >= _maxCount)
{
throw new StorageOverflowException(_places.Count);
}
return Insert(cruiser, 0, equal);
}
/// <summary>
/// Удаление объекта из набора с конкретной позиции
/// </summary>
/// <param name="position"></param>
/// <returns></returns>
public bool Remove(int position)
{
if (position < 0 || position > _places.Count)
{
throw new CruiserNotFoundException(position);
}
_places[position] = null;
return true;
}
/// <summary>
/// Добавление объекта в набор на конкретную позицию
/// </summary>
/// <param name="cruiser">Добавляемый автомобиль</param>
/// <param name="position">Позиция</param>
/// <returns></returns>
public bool Insert(T cruiser, int position, IEqualityComparer<T?>? equal = null) //починил код, работал неправильно
{
if (position < 0 || position > Count)
throw new CruiserNotFoundException(position);
if (Count >= _maxCount)
throw new StorageOverflowException(_maxCount);
if (equal != null && _places.Contains(cruiser, equal))
throw new ArgumentException("Круизер уже имеется");
_places.Insert(position, cruiser);
return true;
}
public T? this[int position]
{
get
{
if (position < 0 || position > _maxCount)
{ return null; }
return _places[position];
}
set
{
if (position < 0 || position > _maxCount)
return;
_places[position] = value;
}
}
public IEnumerable<T?> GetCruisers(int? maxCruisers = null)
{
for (int i = 0; i < _places.Count; ++i)
{
yield return _places[i];
if (maxCruisers.HasValue && i == maxCruisers.Value)
{
yield break;
}
}
}
public void SortSet(IComparer<T?> comparer) => _places.Sort(comparer);
}
}