internal void CommitWrittingTransaction(IRootNode artRoot)
{
lock (_writeLock)
{
_writingTransaction = null;
if (_lastCommited.Dereference())
{
_lastCommited.Dispose();
}
_lastCommited = artRoot;
TryDequeWaiterForWrittingTransaction();
}
}
internal void DereferenceRoot(IRootNode currentArtRoot)
{
if (currentArtRoot.Dereference())
{
_waitingToDispose.Add(currentArtRoot);
}
}
internal IRootNode MakeWrittableTransaction(ArtInMemoryKeyValueDBTransaction keyValueDBTransaction, IRootNode artRoot)
{
lock (_writeLock)
{
if (_writingTransaction != null)
{
throw new BTDBTransactionRetryException("Another writting transaction already running");
}
if (LastCommited != artRoot)
{
throw new BTDBTransactionRetryException("Another writting transaction already finished");
}
_writingTransaction = keyValueDBTransaction;
var result = _lastCommited;
_lastCommited = result.Snapshot();
artRoot.Dereference();
return(result);
}
}