/// <summary>
/// Установить монитор отслеживанния.
/// </summary>
public virtual void SetMonitor(EntityStateMonitor entityStateMonitor)
{
Monitor = entityStateMonitor;
SetMonitorEvent?.Invoke(this, new EventArgs());
}
/// <summary>
/// Клонируем простые типы и коллекции с простыми типами, Рекурсивно идем по IList.
/// Клонируются только Array, ValueType, string.
/// </summary>
public static object InnerClone(object o, [CanBeNull] EntityStateMonitor monitor)
{
if (o == null)
{
return(null);
}
PropertyInfo[] piList = null;
Type type = o.GetType();
object newObject = null;
if (type.IsArray)
{
if (o is ICloneable cloneable)
{
return(cloneable.Clone());
}
}
else if (type.IsValueType || type == typeof(string))
{
return(o);
}
else if ((typeof(IList).IsAssignableFrom(type) && !typeof(ITrackable).IsAssignableFrom(type)))
{
if (o is IList iList)
{
var newListType = iList.GetType();
IList newList = null;
if (iList is ICloneable cloneable)
{
return(cloneable.Clone());
}
else
{
newList = Activator.CreateInstance(newListType) as IList;
}
if (newList != null)
{
var tempList = new List <object>(iList.Count);
foreach (var item in iList)
{
tempList.Add(InnerClone(item, monitor));
}
foreach (var temp in tempList)
{
newList.Add(temp);
}
return(newList);
}
}
}
if (monitor == null && o is ITrackable trackable && trackable.GetMonitor() is EntityStateMonitor m)
{
monitor = m;
}
if (monitor != null)
{
if (monitor.PropertyInfoDictionary.ContainsKey(type))
{
piList = monitor.PropertyInfoDictionary[type];
}
else
{
piList = type.GetProperties();
monitor.PropertyInfoDictionary.Add(type, piList);
}
}
else
{
piList = type.GetProperties();
}
var correctProperty = piList.Where(x =>
x.CanRead && x.CanWrite &&
(x.PropertyType.IsArray || x.PropertyType.IsValueType || x.PropertyType == typeof(string) ||
(typeof(IList).IsAssignableFrom(x.PropertyType) &&
!typeof(ITrackable).IsAssignableFrom(x.PropertyType))));
newObject = Activator.CreateInstance(type);
foreach (var pi in correctProperty)
{
var currentProperty = pi.GetMethod.Invoke(o, null);
pi.SetMethod.Invoke(newObject, new[] { InnerClone(currentProperty, monitor) });
}
return(newObject);
}
/// <summary>
/// Конструктор.
/// </summary>
public EntityCollection(IEnumerable <TEntity> items, EntityStateMonitor monitor = null) : base(items)
{
Monitor = monitor;
}
/// <summary>
/// У сущьности есть трекер Monitor,
/// которое умеет RejectChanges(), IsChanged , AcceptChanges();
/// </summary>
public void SetMonitor(EntityStateMonitor entityStateMonitor)
{
Monitor = entityStateMonitor;
}
/// <summary>
/// Конструктор.
/// </summary>
public EntityCollection(EntityStateMonitor monitor)
{
Monitor = monitor;
}