private bool TryRescheduleCollection_Impl(ActivationData item, TimeSpan timeout)
{
// note: we expect the activation lock to be held.
if (default(DateTime) == item.CollectionTicket)
{
return(false);
}
ThrowIfTicketIsInvalid(item.CollectionTicket);
if (IsExpired(item.CollectionTicket))
{
return(false);
}
DateTime oldTicket = item.CollectionTicket;
DateTime newTicket = MakeTicketFromTimeSpan(timeout);
// if the ticket value doesn't change, then the source and destination bucket are the same and there's nothing to do.
if (newTicket.Equals(oldTicket))
{
return(true);
}
Bucket bucket;
if (!buckets.TryGetValue(oldTicket, out bucket) || !bucket.TryRemove(item))
{
// fail: item is not associated with currentKey.
return(false);
}
// it shouldn't be possible for Add to throw an exception here, as only one concurrent competitor should be able to reach to this point in the method.
item.ResetCollectionTicket();
Add(item, newTicket);
return(true);
}
public bool TryRescheduleCollection(ActivationData item)
{
if (item.IsExemptFromCollection)
{
return(false);
}
lock (item)
{
if (TryRescheduleCollection_Impl(item, item.CollectionAgeLimit))
{
return(true);
}
item.ResetCollectionTicket();
return(false);
}
}