private static void MarkAsDeleted(AsyncWriteTarget.DeleteMessagesTo deleteCommand, LinkedListNode <IPersistentRepresentation> node)
{
while (node != null)
{
if (node.Value.SequenceNr <= deleteCommand.ToSequenceNr)
{
var curr = node.Value;
node.Value = curr.Update(sequenceNr: curr.SequenceNr,
persistenceId: curr.PersistenceId,
isDeleted: true,
sender: curr.Sender);
}
node = node.Next;
}
}
private static void DeletePermanently(AsyncWriteTarget.DeleteMessagesTo deleteCommand, LinkedListNode <IPersistentRepresentation> node, LinkedList <IPersistentRepresentation> list)
{
while (node != null)
{
if (node.Value.SequenceNr <= deleteCommand.ToSequenceNr)
{
var deleted = node;
node = node.Next;
list.Remove(deleted);
}
else
{
node = node.Next;
}
}
}
private void Delete(AsyncWriteTarget.DeleteMessagesTo deleteCommand)
{
LinkedList <IPersistentRepresentation> list;
if (_messages.TryGetValue(deleteCommand.PersistenceId, out list))
{
var node = list.First;
if (deleteCommand.IsPermanent)
{
DeletePermanently(deleteCommand, node, list);
}
else
{
MarkAsDeleted(deleteCommand, node);
}
}
Sender.Tell(new object());
}