public void Stop(CancellationToken cancellationToken = default, bool immediate = false)
{
_logger.Info(() => "Stopping background task host");
var options = new ParallelOptions
{
CancellationToken = cancellationToken, MaxDegreeOfParallelism = ResolveConcurrency()
};
var pendingTasks = _pending.Where(entry => entry.Value.OnHalt != null);
Parallel.ForEach(pendingTasks, options, async e =>
{
// FIXME: halt operation won't have user data in this context
using var context = ProvisionExecutionContext(cancellationToken, null);
// ReSharper disable once AccessToDisposedClosure (this is safe: immediately invoked and blocking)
await e.Value.OnHalt.HaltAsync(context, immediate);
});
_pending.Clear();
_scheduler?.Dispose();
_scheduler = null;
_background.Stop(immediate);
_maintenance.Stop(immediate);
}
public void Stop(bool immediate, CancellationToken cancellationToken = default)
{
cancellationToken.ThrowIfCancellationRequested();
_logger.LogInformation(_localizer.GetString("Stopping operations host"));
_scheduler?.Dispose();
_scheduler = null;
_background?.Stop(immediate);
_maintenance?.Stop(immediate);
}