PIBD-14_Lavrova_K.I._Simple/solution/lab1/CollectionGenericObjects/StorageCollection.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace lab1.CollectionGenericObjects;
/// <summary>
/// Класс-хранилище коллекций
/// </summary>
/// <typeparam name="T"></typeparam>
public class StorageCollection<T>
where T : class
{
/// <summary>
/// Словарь (хранилище) с коллекциями
/// </summary>
readonly Dictionary<string, ICollectionGenericObjects<T>> _storages;
/// <summary>
/// Возвращение списка названий коллекций
/// </summary>
public List<string> Keys => _storages.Keys.ToList();
/// <summary>
/// Конструктор
/// </summary>
public StorageCollection()
{
_storages = new Dictionary<string, ICollectionGenericObjects<T>>();
}
/// <summary>
/// Добавление коллекции в хранилище
/// </summary>
/// <param name="name">Название коллекции</param>
/// <param name="collectionType">тип коллекции</param>
public void AddCollection(string name, CollectionType collectionType)
{
if (_storages.ContainsKey(name)) return;
if (collectionType == CollectionType.None) return;
else if (collectionType == CollectionType.Massive)
_storages[name] = new MassiveGenericObjects<T>();
else if (collectionType == CollectionType.List)
_storages[name] = new ListGenericObjects<T>();
}
/// <summary>
/// Удаление коллекции
/// </summary>
/// <param name="name">Название коллекции</param>
public void DelCollection(string name)
{
if (_storages.ContainsKey(name))
_storages.Remove(name);
}
/// <summary>
/// Доступ к коллекции
/// </summary>
/// <param name="name">Название коллекции</param>
/// <returns></returns>
public ICollectionGenericObjects<T>? this[string name]
{
get
{
if (_storages.ContainsKey(name))
return _storages[name];
return null;
}
}
}