void NewWrittingTransactionUnsafe(TaskCompletionSource <IKeyValueDBTransaction> tcs)
{
var newTransactionRoot = LastCommited.NewTransactionRoot();
_writingTransaction = new InMemoryKeyValueDBTransaction(this, newTransactionRoot, true, false);
tcs.TrySetResult(_writingTransaction);
}
public IKeyValueDBTransaction StartReadOnlyTransaction()
{
var tr = new InMemoryKeyValueDBTransaction(this, LastCommited, false, true);
_transactions.Add(tr, null);
return(tr);
}
internal void RevertWrittingTransaction()
{
lock (_writeLock)
{
_writingTransaction = null;
TryDequeWaiterForWrittingTransaction();
}
}
InMemoryKeyValueDBTransaction NewWritingTransactionUnsafe()
{
var newTransactionRoot = LastCommited.NewTransactionRoot();
var tr = new InMemoryKeyValueDBTransaction(this, newTransactionRoot, true, false);
_writingTransaction = tr;
return(tr);
}
internal void CommitWrittingTransaction(IBTreeRootNode btreeRoot)
{
lock (_writeLock)
{
_writingTransaction = null;
_lastCommited = btreeRoot;
TryDequeWaiterForWrittingTransaction();
}
}
internal void CommitWrittingTransaction(IBTreeRootNode btreeRoot)
{
lock (_writeLock)
{
_writingTransaction = null;
_lastCommited = btreeRoot;
TryDequeWaiterForWrittingTransaction();
}
}
internal IBTreeRootNode MakeWrittableTransaction(InMemoryKeyValueDBTransaction keyValueDBTransaction, IBTreeRootNode btreeRoot)
{
lock (_writeLock)
{
if (_writingTransaction != null) throw new BTDBTransactionRetryException("Another writting transaction already running");
if (LastCommited != btreeRoot) throw new BTDBTransactionRetryException("Another writting transaction already finished");
_writingTransaction = keyValueDBTransaction;
return btreeRoot.NewTransactionRoot();
}
}
internal IBTreeRootNode MakeWrittableTransaction(InMemoryKeyValueDBTransaction keyValueDBTransaction, IBTreeRootNode btreeRoot)
{
lock (_writeLock)
{
if (_writingTransaction != null)
{
throw new BTDBTransactionRetryException("Another writting transaction already running");
}
if (LastCommited != btreeRoot)
{
throw new BTDBTransactionRetryException("Another writting transaction already finished");
}
_writingTransaction = keyValueDBTransaction;
return(btreeRoot.NewTransactionRoot());
}
}
void NewWrittingTransactionUnsafe(TaskCompletionSource<IKeyValueDBTransaction> tcs)
{
var newTransactionRoot = LastCommited.NewTransactionRoot();
_writingTransaction = new InMemoryKeyValueDBTransaction(this, newTransactionRoot, true, false);
tcs.TrySetResult(_writingTransaction);
}
internal void RevertWrittingTransaction()
{
lock (_writeLock)
{
_writingTransaction = null;
TryDequeWaiterForWrittingTransaction();
}
}
