public static EventDistributor GetInstance()
{
if (instance == null)
{
instance = new EventDistributor();
}
return(instance);
}
protected void Init()
{
EventType[] acceptedEventTypeList = { EventType.NewTupleArrive, EventType.NoMoreTuple, EventType.InlierBecomeOutlier, EventType.OutlierBecomeInlier, EventType.WindowSlide, EventType.OldTupleDepart };
EventDistributor.GetInstance().SubcribeListenerWithFullAcceptedTypeList(this, acceptedEventTypeList);
processedTupleCount = 0;
outlierHistoryCount = 0;
avgOutlierRateAgainstWindowSize = 0;
totalOutlierRateAgainstWindowSize = 0;
windowSlideCount = 0;
windowSize = 0;
outliersCountInCurrentWindow = 0;
OutlierIndexList = new List <int>();
}
public void StartSimulationInTimerMode()
{
if (!isRunningTimerMode)
{
simulateTimer.Change(0, _periodTimeBetweenTuple);
Console.WriteLine("Timer Start");
Thread.Sleep(10);
tupleHandleThread.Start();
isRunningTimerMode = true;
}
else
{
Event e = new Event(GetType().ToString(), EventType.Informative);
e.AddAttribute(EventAttributeType.Message, "Already running in timer mode");
EventDistributor.GetInstance().SendEvent(e);
}
}
public void StopTimerModeSimulation()
{
if (isRunningTimerMode)
{
//To-do 实现停止Timer
simulateTimer.Change(Timeout.Infinite, _periodTimeBetweenTuple);
//To-do 重新恢复初始化时各个组件状态（如状态变量、DataAdapter的文件指针等）
ResetState();
isRunningTimerMode = false;
}
else
{
Event e = new Event(GetType().ToString(), EventType.Informative);
e.AddAttribute(EventAttributeType.Message, "Simulation is not running in timer mode right now");
EventDistributor.GetInstance().SendEvent(e);
}
}
/// <summary>
/// 对变量初始化，在EventDistributor注册listener等工作
/// 同时也负责reset工作
/// </summary>
public void Initialize()
{
_curStreamStep = 0;
_isProcessOver = false;
_periodTimeBetweenTuple = 1000;
millisecondsTimeoutOfWaitLock = _periodTimeBetweenTuple;
simulateTimer = new Timer(new TimerCallback(TimerThreadFunc), this, Timeout.Infinite, _periodTimeBetweenTuple);
tupleHandleThread = new Thread(TupleProcessorThreadFunc);
if (ToDoBuffer != null && ToDoBuffer.Count != 0)
{
ToDoBuffer.Clear();
}
//StreamSimulator需要NoMoreTuple来停止Timer继续向dataAdapter索要Tuple
EventType[] acceptedEventTypeList = { EventType.NoMoreTuple };
EventDistributor.GetInstance().SubcribeListenerWithFullAcceptedTypeList(this, acceptedEventTypeList);
}
