public void UnregisterTask(ISmartTask smartTask)
{
smartTask.ThreadPoolHost = null;
smartTask.BeginEvent -= new TaskRuntimeEventHandler(OnTaskBeginEvent);
smartTask.CompleteEvent -= new TaskRuntimeEventHandler(OnTaskCompleteEvent);
smartTask.ErrorEvent -= new TaskRuntimeEventHandler(OnTaskErrorEvent);
}
override protected TaskControl DoFireTask(ISmartTask task)
{
task.Controller = (task.Controller ?? new TaskControl(true, null));
var threadTask = new Task(() => task.Callback(null));
threadTask.Start();
return(task.Controller);
}
public void PushTask(ISmartTask task)
{
RegisterTask(task);
if (task != null)
{
taskQueue.Enqueue(task);
}
DoTaskPlanning();
}
public TaskControl FireTask(ISmartTask task)
{
try
{
return(DoFireTask(task));
}finally
{
Interlocked.Increment(ref busyTaskCount);
}
}
public ISmartTask CreateTask(ISmartTaskContent taskContent)
{
Type templateType = typeof(SmartTask <>);
Type[] tParamTypes = new Type[] { taskContent.GetType() };
Type smartTaskType = templateType.MakeGenericType(tParamTypes);
object[] constructorParam = new object[] { taskContent, null };
ISmartTask smartTask = (ISmartTask)Activator.CreateInstance(smartTaskType, constructorParam);
RegisterTask(smartTask);
//PushTask(task); 需run task.Start()才會開始
return(smartTask);
}
public void RegisterTask(ISmartTask smartTask)
{
if (smartTask.ThreadPoolHost == this)
{
return;
}
if (smartTask.ThreadPoolHost != null)
{
smartTask.ThreadPoolHost.UnregisterTask(smartTask);
}
smartTask.ThreadPoolHost = this;
smartTask.BeginEvent += new TaskRuntimeEventHandler(OnTaskBeginEvent);
smartTask.CompleteEvent += new TaskRuntimeEventHandler(OnTaskCompleteEvent);
smartTask.ErrorEvent += new TaskRuntimeEventHandler(OnTaskErrorEvent);
}
override protected TaskControl DoFireTask(ISmartTask task)
{
if (task.Controller == null)
{
task.Controller = new TaskControl(true, null);
ThreadPool.QueueUserWorkItem(new WaitCallback(task.Callback), null);
return(null);
}
else
{
TaskControl tc = task.Controller;
RegisteredWaitHandle regHandle = ThreadPool.RegisterWaitForSingleObject(tc.OnRunEvent, new WaitOrTimerCallback(task.Callback), null, tc.TimeoutInterval, tc.ExecuteOnlyOnce);
tc.RegisteredWaitHandle = regHandle;
return(tc);
}
}
abstract protected TaskControl DoFireTask(ISmartTask task);
