public bool UnsubscribeStatisticsChangeEvents(ISiloStatisticsChangeListener observer)
{
lock (siloStatisticsChangeListeners)
{
return(siloStatisticsChangeListeners.Contains(observer) &&
siloStatisticsChangeListeners.Remove(observer));
}
}
public bool SubscribeToStatisticsChangeEvents(ISiloStatisticsChangeListener observer)
{
lock (siloStatisticsChangeListeners)
{
if (siloStatisticsChangeListeners.Contains(observer))
{
return(false);
}
siloStatisticsChangeListeners.Add(observer);
return(true);
}
}
public bool UnsubscribeStatisticsChangeEvents(ISiloStatisticsChangeListener observer)
{
lock (siloStatisticsChangeListeners)
{
return siloStatisticsChangeListeners.Contains(observer) &&
siloStatisticsChangeListeners.Remove(observer);
}
}
public bool SubscribeToStatisticsChangeEvents(ISiloStatisticsChangeListener observer)
{
lock (siloStatisticsChangeListeners)
{
if (siloStatisticsChangeListeners.Contains(observer)) return false;
siloStatisticsChangeListeners.Add(observer);
return true;
}
}
