protected virtual void NotifyStart()
{
if (State == TaskState.Running)
{
if (OnTaskStart != null)
{
OnTaskStart.Invoke(this);
}
StartWasNotified = true;
}
}
// Start new task, independent from acutal task
private void ForceStart()
{
// create new internal task
var itc = new InternalTaskContainer {
Cts = new CancellationTokenSource()
};
itc.Task = Task.Run(() => SpawnerFunc(itc.Cts.Token)).ContinueWith((t) => TaskEnd(this, t));
//swap and stop old task
var oldItc = Interlocked.Exchange(ref _TaskContainer, itc);
Stop(oldItc, WaitTime);
// event notifier
OnTaskStart?.Invoke(this, EventArgs.Empty);
}
private void Run()
{
while (Running_)
{
if (!TaskQueue_.TryDequeue(out var task))
{
Thread.Sleep(500);
continue;
}
Working_ = true;
$"Convert input={task.InputFile} output={task.OutputFile} type={task.Type.ToString()}".Info();
OnTaskStart.Invoke();
try
{
switch (task.Type)
{
case ConversionType.PDF:
Converter.ConvertToPDF(task.InputFile, task.OutputFile);
break;
case ConversionType.PNG:
Converter.ConvertToPNG(task.InputFile, task.OutputFile);
break;
}
task.Promise.SetResult(true);
}
catch (Exception e)
{
e.Error("ConversionWorker", "Cannot convert due to");
task.Promise.SetResult(false);
}
OnTaskEnd.Invoke();
Working_ = false;
}
"Conversion worker is end".Info();
}