public void SendToChild(Action <AsyncJob> act)
{
if (this._circle.Count < 1)
{
throw new InvalidOperationException("没有子工作时无法使用SendToChild方法！");
}
if (this._currentInputChild == null)
{
this._currentInputChild = this._circle.Head;
}
this._currentInputChild.In(act);
this._currentInputChild = this._currentInputChild.Next as AsyncJob;
}
/// <summary>
/// 生成多层次异步操作的实例
/// </summary>
public AsyncJob()
{
this._inputQueue = new ConcurrentQueue <Action <AsyncJob> >();
this._outputQueue = new ConcurrentQueue <Action>();
this._circle = new Circle <AsyncJob>();
this.OutBufferLength = 10;
this.InBufferLength = 10;
this.Last = null;
this.Next = null;
this._inputEnd = false;
this._inTaskCompleted = false;
this._outTaskCompleted = false;
this._currentInputChild = _circle.Head;
}
/// <summary>
/// 启动事件（包括所有下层事件）
/// </summary>
public void Start()
{
_inTask = new Task(() =>
{
Action <AsyncJob> act;
while (!_inputEnd)
{
if (this._inputQueue.TryDequeue(out act))
{
act(this);
}
else
{
Thread.Sleep(20);
}
}
if (this._circle.Count > 0)
{
AsyncJob a = this._circle.Head;
a.In(j =>
{
j.EndInput();
});
while (a.Next != this._circle.Head)
{
a = a.Next as AsyncJob;
a.In(j =>
{
j.EndInput();
});
}
}
this._inTaskCompleted = true;
});
_outTask = new Task(() =>
{
while (this._circle.Count > 0)
{
if (this._currentOutputChild == null)
{
this._currentOutputChild = this._circle.Head;
}
Action act = _currentOutputChild.PopCallBack();
if (act != null)
{
this._outputQueue.Enqueue(act);
this._currentOutputChild = this._currentOutputChild.Next as AsyncJob;
}
else
{
if (this._currentOutputChild.IsCompleted)
{
this._circle.Remove(this._currentOutputChild);
this._currentOutputChild = this._currentOutputChild.Next as AsyncJob;
}
else
{
Thread.Sleep(20);
this._currentOutputChild = this._currentOutputChild.Next as AsyncJob;
}
}
}
this._outTaskCompleted = true;
});
_inTask.Start();
_outTask.Start();
foreach (AsyncJob e in this._circle)
{
e.Start();
}
}
/// <summary>
/// 添加子节点，所有的子节点以环形结构相连
/// </summary>
/// <param name="childJob"></param>
public void addChild(AsyncJob childJob)
{
this._circle.Add(childJob);
}
