90 lines
1.7 KiB
C#
90 lines
1.7 KiB
C#
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namespace ProjectElectroTrans.CollectionGenericObjects;
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/// <summary>
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/// Параметризованный набор объектов
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/// </summary>
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/// <typeparam name="T">Параметр: ограничение - ссылочный тип</typeparam>
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public class ListGenericObjects<T> : ICollectionGenericObjects<T>
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where T : class
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{
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/// <summary>
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/// Список объектов, которые храним
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/// </summary>
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private readonly List<T?> _collection;
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/// <summary>
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/// Максимально допустимое число объектов в списке
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/// </summary>
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private int _maxCount;
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public int Count => _collection.Count;
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public int MaxCount
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{
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get => _maxCount;
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set
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{
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if (value > 0)
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{
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_maxCount = value;
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}
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}
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}
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public CollectionType GetCollectionType => throw new NotImplementedException();
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/// <summary>
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/// Конструктор
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/// </summary>
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public ListGenericObjects()
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{
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_collection = new();
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}
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public T? Get(int position)
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{
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if (position < 0 || position > _collection.Count - 1)
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{
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return null;
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}
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return _collection[position];
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}
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public int Insert(T obj)
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{
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if (_collection.Count + 1 > _maxCount) { return 0; }
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_collection.Add(obj);
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return 1;
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}
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public int Insert(T obj, int position)
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{
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if (_collection.Count + 1 < _maxCount) { return 0; }
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if (position > _collection.Count || position < 0)
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{
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return 0;
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}
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_collection.Insert(position, obj);
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return 1;
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}
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public T Remove(int position)
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{
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if (position > _collection.Count || position < 0)
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{
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return null;
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}
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T temp = _collection[position];
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_collection.RemoveAt(position);
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return temp;
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}
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public IEnumerable<T?> GetItems()
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{
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throw new NotImplementedException();
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}
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} |