public async Task StartProcessing()
{
State = SeedingState.Seeding;
_cancellationTokenSource = new CancellationTokenSource();
_processingTask = _taskFactory.StartNew(() =>
{
_log.Info("Seed coordinator is starting");
if (_seeders.Any() == false)
{
_log.Warn("\tThere are no seeders registered!");
}
try
{
// start seeders
var seedingTasks = new List <Task>();
foreach (var seeder in _seeders)
{
seedingTasks.Add(seeder.StartSeeding(_cancellationTokenSource.Token));
}
Task.WaitAll(seedingTasks.ToArray());
}
catch (Exception unhandledException)
{
_log.Error($"Unhandled Excpetion in Seeder. Details: \r\n{unhandledException}");
}
});
await _processingTask;
}
public PersonSeederStateModel(SeedingState seedingState)
{
// todo: do not like this
NotStarted = seedingState == SeedingState.Uninitiated;
Started = seedingState == SeedingState.Seeding;
Stopping = seedingState == SeedingState.Cancelling;
Stopped = seedingState == SeedingState.Cancelled ||
seedingState == SeedingState.Completed ||
seedingState == SeedingState.Errored ||
seedingState == SeedingState.Uninitiated;
Errored = seedingState == SeedingState.Errored;
}
public async Task Cancel()
{
if (_cancellationTokenSource == null)
{
throw new Exception("Unable to cancel seeding because the cancellation token is null");
}
_cancellationTokenSource.Cancel();
await _processingTask.ContinueWith((T) =>
{
_log.Info("\tSeeders were successfully cancelled");
State = SeedingState.Cancelled;
});
}
