PIbd-23_Vrazhkin_S_A_Electr.../lab1/Generics/SetGeneric.cs
2023-11-28 13:43:14 +04:00

70 lines
1.8 KiB
C#

using ElectricLocomotive.Exceptions;
namespace ElectricLocomotive;
public class SetGeneric <T> where T : class
{
private readonly List<T?> _places;
public int Count => _places.Count;
private readonly int _maxCount;
public SetGeneric(int count)
{
_maxCount = count;
_places = new List<T>(count);
}
public bool Insert(T electricLocomotiv)
{
if (_places.Count == _maxCount)
throw new StorageOverflowException(_maxCount);
Insert(electricLocomotiv, 0);
return true;
}
public bool Insert(T electricLocomotiv, int position)
{
if (_places.Count == _maxCount)
throw new StorageOverflowException(_maxCount);
if (!(position >= 0 && position <= Count))
return false;
_places.Insert(position, electricLocomotiv);
return true;
}
public bool Remove(int position)
{
if (!(position >= 0 && position < Count))
throw new LocoNotFoundException(position);
_places.RemoveAt(position);
return true;
}
public T? this[int position]
{
get {
if (!(position >= 0 && position < Count))
return null;
return _places[position];
}
set {
if (!(position >= 0 && position < Count && _places.Count < _maxCount))
return;
_places.Insert(position, value);
return;
}
}
public IEnumerable<T?> GetElectricLocos(int? maxElectricLocos = null)
{
for (int i = 0; i < _places.Count; ++i)
{
yield return _places[i];
if (maxElectricLocos.HasValue && i == maxElectricLocos.Value)
{
yield break;
}
}
}
}