public bool UnSubscribeFromRangeChangeEvents(IGrainRingRangeListener observer)
{
lock (grainStatusListeners)
{
return(grainStatusListeners.Contains(observer) && grainStatusListeners.Remove(observer));
}
}
public bool SubscribeToRangeChangeEvents(IGrainRingRangeListener observer)
{
lock (grainStatusListeners)
{
if (grainStatusListeners.Contains(observer))
{
return(false);
}
grainStatusListeners.Add(observer);
return(true);
}
}
