private List <Action <object[]> > PruneAndReturnStrategies()
{
lock (_subscriptions)
{
return(strategies().ToList());
}
IEnumerable <Action <object[]> > strategies()
{
LinkedListNode <IEventSubscription> node = _subscriptions.Last;
while (node != null)
{
var previous = node.Previous;
IEventSubscription sub = node.Value;
Action <object[]> listItem = sub?.GetExecutionStrategy();
if (listItem != null)
{
yield return(listItem);
}
else
{
_subscriptions.Remove(node);
}
node = previous;
}
}
}
