public void Unsubscribe(string topic)
{
if (string.IsNullOrEmpty(topic))
{
throw new ArgumentException("Topic must not be empty", nameof(topic));
}
var isKnown = _subscriptions.TryGetValue(topic, out var subscription);
if (!isKnown)
{
return;
}
_subscriptions.Remove(topic);
_messaging.Unsubscribe(subscription);
}
public void Dispose()
{
if (_subscriptionHandles == null)
{
return;
}
Array.ForEach(_subscriptionHandles, handle => _messaging.Unsubscribe(handle));
_subscriptionHandles = null;
}
