private void Enlist(Transaction transaction) { if (transaction == null) { // no enlistment as we are not in a TransactionScope return; } // try to enlist as a PSPE if (!transaction.EnlistPromotableSinglePhase(this)) { // our enlistmente fail so we need to enlist ourselves as durable. // we create a transaction directly instead of using BeginTransaction that GraphClient // doesn't store it in its stack of scopes. var localTransaction = new Neo4jRestTransaction(client); localTransaction.ForceKeepAlive(); transactionId = localTransaction.Id; var resourceManager = GetResourceManager(); var propagationToken = TransactionInterop.GetTransmitterPropagationToken(transaction); var transactionExecutionEnvironment = new TransactionExecutionEnvironment(client.ExecutionConfiguration) { TransactionId = localTransaction.Id, TransactionBaseEndpoint = client.TransactionEndpoint }; resourceManager.Enlist(transactionExecutionEnvironment, propagationToken); localTransaction.Cancel(); } enlistedInTransactions.Add(transaction); }
public byte[] Promote() { // we have been promoted to MSTDC, so we have to clean the local resources if (transaction == null) { transaction = new Neo4jRestTransaction(client); } // do a keep alive in case the promotion takes too long or in case we don't have an ID transaction.ForceKeepAlive(); transactionId = transaction.Id; transaction.Cancel(); transaction = null; if (transactionId == 0) { throw new InvalidOperationException("For some reason we don't have a TransactionContext ID"); } var resourceManager = GetResourceManager(); return(resourceManager.Promote(new TransactionExecutionEnvironment(client.ExecutionConfiguration) { TransactionId = transactionId, TransactionBaseEndpoint = client.TransactionEndpoint })); }
public byte[] Promote() { // we have been promoted to MSTDC, so we have to clean the local resources if (transaction == null) { transaction = new Neo4jRestTransaction(client); } // do a keep alive in case the promotion takes too long or in case we don't have an ID transaction.ForceKeepAlive(); transactionId = transaction.Id; transaction.Cancel(); transaction = null; if (transactionId == 0) { throw new InvalidOperationException("For some reason we don't have a TransactionContext ID"); } // BUG: .NET 4.7.1 introduced a bug where the current transaction wouldn't get restored // after a call which crosses AppDomain boundaries. We have to restore it ourselves. // Ref https://github.com/Microsoft/dotnet-framework-early-access/issues/7 var tx = Transaction.Current; var resourceManager = GetResourceManager(); var res = resourceManager.Promote(new TransactionExecutionEnvironment(client.ExecutionConfiguration) { TransactionId = transactionId, TransactionBaseEndpoint = client.TransactionEndpoint }); // Only restore if the bug exists to avoid any potentially side-effects // of setting the transaction if (Transaction.Current == null) { Transaction.Current = tx; } return(res); }