private bool StartTask(IScheduledTask scheduledTask)
{
lock (_lock)
{
if (!IsEnabled)
{
return(false);
}
Log.Debug("Starting task {0}", scheduledTask);
var runningTask = new RunningTask(scheduledTask, _timeService.CurrentDateTime);
#pragma warning disable 4014
// Note: don't await, we are a scheduler.
var task = TaskShim.Run(async() => await scheduledTask.InvokeAsync(), runningTask.CancellationTokenSource.Token);
task.ContinueWith(OnRunningTaskCompleted);
#pragma warning restore 4014
Log.Debug("Started task {0}", scheduledTask);
var completed = task.IsCompleted;
if (completed)
{
// Shortcut mode
TaskStarted.SafeInvoke(this, new TaskEventArgs(runningTask));
OnRunningTaskCompleted(task);
}
else
{
_runningTasks.Add(new RunningTaskInfo(task, runningTask));
TaskStarted.SafeInvoke(this, new TaskEventArgs(runningTask));
}
}
// Note: it's important to start possible recurring tasks outside the loop
if (scheduledTask.Recurring.HasValue)
{
var startDate = _timeService.CurrentDateTime.Add(scheduledTask.Recurring.Value);
Log.Debug("Task {0} is a recurring task, rescheduling a copy at '{1}'", scheduledTask, startDate);
var newScheduledTask = (IScheduledTask)scheduledTask.Clone();
newScheduledTask.Start = startDate;
AddScheduledTask(newScheduledTask);
}
return(true);
}
