/// <summary>
/// 移除子对象监听
/// </summary>
internal override void RemoveChildrenListener(object changeEvent)
{
if (!_isDisableEvent && ChildrenEvent != null && changeEvent is IItemChangeEvent)
{
var child = (IItemChangeEvent)changeEvent;
ChildrenEvent.RemoveItemEvent(child.UnChangeNotify);
var e = child.ItemEvent;
if (e != null)
{
e.RemoveItemEvent(NotifyByChildren);
}
}
}
/// <summary>
/// 添加子对象监听
/// </summary>
public override void AddChildrenListener(object changeEvent)
{
if (!_isDisableEvent && ChildrenEvent != null && changeEvent is IItemChangeEvent)
{
var child = (IItemChangeEvent)changeEvent;
ChildrenEvent.AddSingleItemEvent(child.UnChangeNotify);
var e = child.ItemEvent;
if (e != null)
{
e.AddSingleItemEvent(NotifyByChildren);
}
}
}
/// <summary>
/// 设置禁用事件绑定
/// </summary>
protected void SetDisableEvent()
{
_isDisableEvent = true;
if (_itemEvent != null)
{
ItemEvent.Dispose();
_itemEvent = null;
}
if (_childrenEvent != null)
{
ChildrenEvent.Dispose();
_childrenEvent = null;
}
}
/// <summary>
/// 触发UnChange事件通知
/// </summary>
internal override void UnChangeNotify(object sender, CacheItemEventArgs eventArgs)
{
if (ChildrenEvent != null)
{
ChildrenEvent.NotifyAll(sender, eventArgs);
}
if (!eventArgs.HasChanged)
{
_hasChanged = false;
}
if (eventArgs.ChangeType == CacheItemChangeType.DisableEvent)
{
SetDisableEvent();
}
}
/// <summary>
/// 添加子对象监听
/// </summary>
public override void AddChildrenListener(object changeEvent)
{
if (!_isDisableEvent && ChildrenEvent != null && changeEvent is IItemChangeEvent)
{
var child = (IItemChangeEvent)changeEvent;
//注册多个子类的事件
ChildrenEvent.AddSingleItemEvent(child.UnChangeNotify, null);
var e = child.ItemEvent;
if (e != null)
{
//注册父亲类单一事件
e.AddSingleItemEvent(NotifyByChildren, this);
}
}
}
