public void Run(object parameter)
{
try
{
Status = AsyncNotificationStatus.Busy;
execute.Invoke(parameter).ConfigureAwait(false).GetAwaiter().OnCompleted(() => Status = AsyncNotificationStatus.Complete);
}
catch (TaskCanceledException)
{
Status = AsyncNotificationStatus.Canceled;
}
catch
{
Status = AsyncNotificationStatus.Error;
throw;
}
}
/// <summary>
/// Monitor the status of the command task
/// </summary>
/// <param name="commandTask">Commands task to complete</param>
public async void MonitorTask(Task commandTask)
{
//Setup monitor
_commandTask = commandTask;
_isMonitoring = true;
//Setup cancellation token
_tokenSource = new CancellationTokenSource();
_token = _tokenSource.Token;
//Mark status as busy before start
Status = AsyncNotificationStatus.Busy;
//Start the task
await Task.Factory.StartNew(() =>
{
while (_isMonitoring)
{
if (_commandTask.Status == TaskStatus.RanToCompletion)
{
Status = AsyncNotificationStatus.Complete;
_isMonitoring = false;
break;
}
else if (_commandTask.Status == TaskStatus.Faulted)
{
Status = AsyncNotificationStatus.Error;
_isMonitoring = false;
break;
}
else if (_tokenSource.IsCancellationRequested)
{
Status = AsyncNotificationStatus.Canceled;
_isMonitoring = false;
break;
}
else
{
Status = AsyncNotificationStatus.Busy;
}
}
}, _token);
}
public void Update()
{
Status = _observableTask.Status;
}