75 lines
2.4 KiB
C#
75 lines
2.4 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace ProjectLocomotive
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{
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/// <summary>
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/// Параметризованный набор объектов
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/// </summary>
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/// <typeparam name="T"></typeparam>
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internal class SetLocomotivesGeneric<T>
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where T : class
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{
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/// Список хранимых объектов
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private readonly List<T> _places;
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/// Количество объектов в списке
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public int Count => _places.Count;
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private readonly int _maxCount = 15;
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/// Конструктор
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public SetLocomotivesGeneric(int count)
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{
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_maxCount = count = 15;
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_places = new List<T>();
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}
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/// Добавление объекта в набор
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public int Insert(T locomotive)
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{
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return Insert(locomotive, 0);
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}
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/// Добавление объекта в набор на конкретную позицию
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public int Insert(T locomotive, int position)
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{
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if (position < 0) return -1;
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if (Count >= _maxCount) throw new StorageOverflowException(_maxCount);
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_places.Insert(position, locomotive);
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return position;
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}
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/// Удаление объекта из набора с конкретной позиции
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public T Remove(int position)
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{
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if (_places[position] is null) throw new LocomotiveNotFoundException(position);
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T result = _places[position];
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_places[position] = null;
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return result;
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}
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// Индексатор
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public T this[int position]
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{
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get
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{
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if (position >= _maxCount || position < 0) return null;
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return _places[position];
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}
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set
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{
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if (position >= _maxCount || position < 0) return;
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Insert(value, position);
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}
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}
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/// Проход по набору до первого пустого
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public IEnumerable<T> GetLocomotives()
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{
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foreach (var locomotive in _places)
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{
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if (locomotive != null)
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{
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yield return locomotive;
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}
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}
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}
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}
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}
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