using System; using System.Collections.Generic; using System.Text; using App.Core; using System.Threading; using System.ComponentModel; namespace App.Data { public class DummyDao<T> : IDao<T> { List<T> _storage = new List<T>(); #region IDao<T> Members public void SaveOrUpdate(T item) { if (!_storage.Contains(item)) { _storage.Add(item); OnChange(item, ListChangedType.ItemAdded); } else OnChange(item, ListChangedType.ItemChanged); } public void Remove(T item) { _storage.Remove(item); OnChange(item, ListChangedType.ItemDeleted); } public T GetByKey(int key) { return _storage[key]; } public IList<T> SelectAll() { return _storage; } public event ListChangedEventHandler Changed; protected void OnChange(T item, ListChangedType changeType) { if (Changed != null) Changed(item, new ListChangedEventArgs(changeType, _storage.IndexOf(item))); } #endregion } }
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