protected override void OnHandle(Request request)
{
if (request.Category == RequestCategory.Category2)
{
request.IsHandled = true;
}
}
protected abstract void OnHandle(Request request);
public void Handle(Request request)
{
OnHandle(request);
if (!request.IsHandled)
{
if (_successor != null)
{
_successor.Handle(request);
Console.WriteLine("is handle....");
}
}
}
