public void QueueEvent(WatchedEvent @event)
{
if (@event.Type == EventType.None && sessionState == @event.State)
{
return;
}
if (waitingEvents.IsAddingCompleted)
{
throw new InvalidOperationException("consumer has been disposed");
}
sessionState = @event.State;
// materialize the watchers based on the event
var pair = new ClientConnection.WatcherSetEventPair(conn.watcher.Materialize(@event.State, @event.Type, @event.Path), @event);
// queue the pair (watch set & event) for later processing
waitingEvents.Add(pair);
}
public void PollEvents()
{
try
{
while (!waitingEvents.IsCompleted)
{
try
{
ClientConnection.WatcherSetEventPair pair = null;
if (waitingEvents.TryTake(out pair, -1))
{
ProcessWatcher(pair.Watchers, pair.WatchedEvent);
}
}
catch (ObjectDisposedException)
{
}
catch (InvalidOperationException)
{
}
catch (OperationCanceledException)
{
//ignored
}
catch (Exception t)
{
LOG.Error("Caught unexpected throwable", t);
}
}
}
catch (ThreadInterruptedException e)
{
LOG.Error("Event thread exiting due to interruption", e);
}
LOG.Info("EventThread shut down");
}