/// <summary>
/// feeding data into queue
/// </summary>
/// <param name="eventType"></param>
/// <param name="data"></param>
/// <returns></returns>
protected bool FeedData(FeedingEventType eventType, TaskQueueObject data)
{
bool result = false;
if (_queue == null)
{
OnPythonEvent(null, "FeedData Queue is null");
}
else
{
try
{
if (!_queue.TryAdd(data, 50))
{
OnPythonEvent(null, "FeedData TryAdd Queue Fail");
result = false;
}
else
{
result = true;
}
}
catch (InvalidOperationException e) //add fail
{
OnPythonEvent(null, "FeedData TryAdd Queue InvalidOperationException:" + e.StackTrace);
}
catch (Exception e)
{
OnPythonEvent(null, "FeedData Exception:" + e.StackTrace);
}
}
return(result);
}
/// <summary>
/// task handler function
/// </summary>
/// <param name="obj"></param>
protected void DispatchData(TaskQueueObject obj)
{
if (obj == null)
{
return;
}
if (FeedingEventType.OnSingalReceived.Equals(obj.EventType) && OnSingalReceived != null)
{
OnSingalReceived(obj.Data);
}
else if (FeedingEventType.OnTimer1s.Equals(obj.EventType) && OnTimer1s != null)
{
OnTimer1s();
}
else if (FeedingEventType.OnTimer10s.Equals(obj.EventType) && OnTimer10s != null)
{
OnTimer10s();
}
else if (FeedingEventType.OnTimer60s.Equals(obj.EventType) && OnTimer60s != null)
{
OnTimer60s();
}
//unhandle
}
/// <summary>
/// thread function
/// </summary>
/// <param name="meta"></param>
protected void Run(TaskMeta meta)
{
if (meta == null || meta._queue == null)
{
OnPythonEvent(null, "Task Meta or Queue is null, could not start Task");
return;
}
while (!meta.isTaskStop())
{
try
{
if (!meta._queue.IsCompleted)
{
TaskQueueObject obj = null;
if (!meta._queue.TryTake(out obj, 50))
{
//queue is empty
}
else
{
DispatchData(obj);
}
_lastQueuedCount = meta._queue.Count;
}
else
{
OnPythonEvent(null, "Queue already completed");
break;
}
}
catch (InvalidOperationException e) ///operating queue exception
{
OnPythonEvent(null, "Task TryTake Queue InvalidOperationException:" + e.StackTrace);
}
catch (Exception e)
{
OnPythonEvent(null, "Task Exception:" + e.StackTrace);
}
finally
{
if (meta != null && meta._queue != null)
{
_lastQueuedCount = meta._queue.Count;
}
}
}
OnPythonEvent(null, "Task done");
}
