private async Task _executeTask(TaskData taskData)
{
if (!taskData.ExecuteImmediately)
{
await Task.Delay(_options.Value.Interval);
}
await Handler.Handle(taskData);
Interlocked.Decrement(ref _threadCount);
if (PoolThreadManager != null)
{
await PoolThreadManager.Release();
}
}
public virtual async Task Start()
{
var canStart = false;
lock (_lock)
{
if (!Running)
{
Running = true;
canStart = true;
}
}
if (canStart)
{
while (Running)
{
TaskData data = null;
lock (_lock)
{
//todo: the sort of queue data is not stable for now.
if (_threadCount < _options.Value.MaxThreads && TryDequeue(out data))
{
if (PoolThreadManager == null || PoolThreadManager.Lock().ConfigureAwait(false)
.GetAwaiter().GetResult())
{
Interlocked.Increment(ref _threadCount);
}
else
{
Enqueue(data);
}
}
}
if (data != null)
{
// Execute asynchronously.
_executeTask(data);
}
else
{
// Avoid unnecessary cpu usage.
await Task.Delay(1);
}
}
}
}
private async void _executeTask(TaskQueue task, TaskData taskData)
{
if (!taskData.ExecuteImmediately)
{
await Task.Delay(Math.Max(_options.MinInterval, task.Options.Interval));
}
var newTaskData = await task.ExecuteAsync(taskData);
if (_status == TaskQueuePoolStatus.Running && newTaskData?.Any() == true)
{
foreach (var d in newTaskData)
{
Enqueue(d);
}
}
Interlocked.Decrement(ref _currentThreadCount);
Interlocked.Decrement(ref task.CurrentThreadCount);
}
public void Enqueue(TaskData taskData)
{
Interlocked.Increment(ref _queuedTaskDataCount);
_queuedTaskData.Enqueue(taskData);
}
public abstract bool OnException(TaskData taskData, Exception e);
public abstract bool MatchedTaskData(TaskData taskData);
public abstract Task <List <TaskData> > ExecuteAsync(TaskData taskData);
public virtual bool CanHandle(TaskData data)
{
return(data is TTaskData);
}
protected virtual Task OnException(TaskData data, Exception e) => Task.CompletedTask;