C# ITransactionContext类代码示例

 /// <summary>
 /// Constructor</summary>
 public TransactionPropertyNode(ITransactionContext context)
 {
     if(context != null)
         m_contextRef = new WeakReference(context);
     else
         IsReadOnly = true;
 }

 public TransactedTask(ITask inner, ITransactionContext transactionContext)
 {
     if (inner == null) throw new ArgumentNullException("inner");
     if (transactionContext == null) throw new ArgumentNullException("transactionContext");
     _inner = inner;
     _transactionContext = transactionContext;
 }

 public TransactedActionFilter(ITransactionContext transactionContext, EventDispatchHandler dispatchHandler, ILocalEventsManager domainEvents)
 {
     if (transactionContext == null) throw new ArgumentNullException("transactionContext");
     _transactionContext = transactionContext;
     _dispatchHandler = dispatchHandler;
     _domainEvents = domainEvents;
 }

        public DbLogger(ITransactionContext context)
        {
            this.context = context;

            Error = new DbLoggerError(this);
            Info = new DbLoggerInfo(this);
        }

        public void HandleMessage(TransportMessage transportMessage, ITransactionContext transactionContext)
        {
            var message = transportMessage.GetMessageLabel();

            var options = new List<KeyOption>();

            if (DefaultOutputQueue != null)
            {
                options.Add(KeyOption.New('d',
                    () => { MoveMessage(transportMessage, transactionContext, DefaultOutputQueue); },
                    "Move to default queue '{0}'", DefaultOutputQueue));
            }

            if (transportMessage.Headers.ContainsKey(Headers.SourceQueue))
            {
                var sourceQueue = transportMessage.Headers[Headers.SourceQueue];

                options.Add(KeyOption.New('s',
                    () => { MoveMessage(transportMessage, transactionContext, sourceQueue); },
                    "Return to source queue '{0}'", sourceQueue));
            }

            options.Add(KeyOption.New('c', () =>
            {
                Console.Write("queue > ");
                var queueName = Console.ReadLine();
                MoveMessage(transportMessage, transactionContext, queueName);
            }, "Enter custom queue name to move message to"));

            Prompt(message, options);

            Text.PrintLine();
        }

 /// <summary>
 /// Constructs the step context, initially stashing the given <see cref="TransportMessage"/> and <see cref="ITransactionContext"/> into its bag of objects
 /// </summary>
 public IncomingStepContext(TransportMessage message, ITransactionContext transactionContext)
 {
     Save(message);
     Save(transactionContext);
     
     transactionContext.Items[StepContextKey] = this;
 }

        /// <summary>
        /// Handles the poisonous message by forwarding it to the configured error queue
        /// </summary>
        public async Task HandlePoisonMessage(TransportMessage transportMessage, ITransactionContext transactionContext, string errorDescription)
        {
            var headers = transportMessage.Headers;

            string messageId ;

            if (!headers.TryGetValue(Headers.MessageId, out messageId))
            {
                messageId = "<unknown>";
            }

            headers[Headers.ErrorDetails] = errorDescription;
            headers[Headers.SourceQueue] = _transport.Address;

            var errorQueueAddress = _simpleRetryStrategySettings.ErrorQueueAddress;

            try
            {
                _log.Error("Moving message with ID {0} to error queue '{1}' - reason: {2}", messageId, errorQueueAddress, errorDescription);

                await _transport.Send(errorQueueAddress, transportMessage, transactionContext);
            }
            catch (Exception exception)
            {
                _log.Error(exception, "Could not move message with ID {0} to error queue '{1}' - will pause {2} to avoid thrashing",
                    messageId, errorQueueAddress, MoveToErrorQueueFailedPause);

                // if we can't move to error queue, we need to avoid thrashing over and over
                await Task.Delay(MoveToErrorQueueFailedPause);
            }
        }

        public void Send(string destinationQueueName, TransportMessageToSend message, ITransactionContext context)
        {
            var outputQueue = cloudQueueClient.GetQueueReference(destinationQueueName);

            using (var memoryStream = new MemoryStream())
            {
                var formatter = new BinaryFormatter();
                var receivedTransportMessage = new ReceivedTransportMessage
                    {
                        Id = Guid.NewGuid().ToString(),
                        Headers = message.Headers,
                        Body = message.Body,
                        Label = message.Label,
                    };

                formatter.Serialize(memoryStream, receivedTransportMessage);
                memoryStream.Position = 0;

                var cloudQueueMessage = new CloudQueueMessage(memoryStream.ToArray());

                var timeToLive = GetTimeToLive(message);
                if (timeToLive.HasValue)
                {
                    outputQueue.AddMessage(cloudQueueMessage, timeToLive.Value);
                }
                else
                {
                    outputQueue.AddMessage(cloudQueueMessage);
                }
            }
        }

        public ReceivedTransportMessage ReceiveMessage(ITransactionContext context)
        {
            var receivedTransportMessage = innerReceiveMessages.ReceiveMessage(context);

            if (receivedTransportMessage == null) return null;

            byte[] body;
            var headers = receivedTransportMessage.Headers.Clone();

            if (headers.ContainsKey(Headers.Encrypted))
            {
                var iv = receivedTransportMessage.GetHeader(Headers.EncryptionSalt);
                body = helper.Decrypt(receivedTransportMessage.Body, iv);

                headers.Remove(Headers.EncryptionSalt);
                headers.Remove(Headers.Encrypted);
            }
            else
            {
                body = receivedTransportMessage.Body;
            }

            return new ReceivedTransportMessage
                       {
                           Id = receivedTransportMessage.Id,
                           Headers = headers,
                           Label = receivedTransportMessage.Label,
                           Body = body,
                       };
        }

        /// <summary>
        /// Sends the given <see cref="TransportMessage"/> to the queue with the specified globally addressable name
        /// </summary>
        public async Task Send(string destinationAddress, TransportMessage message, ITransactionContext context)
        {
            context.OnCommitted(async () =>
            {
                var headers = message.Headers.Clone();
                var queue = GetQueue(destinationAddress);
                var messageId = Guid.NewGuid().ToString();
                var popReceipt = Guid.NewGuid().ToString();
                var timeToBeReceivedOrNull = GetTimeToBeReceivedOrNull(headers);
                var queueVisibilityDelayOrNull = GetQueueVisibilityDelayOrNull(headers);
                var cloudQueueMessage = Serialize(messageId, popReceipt, headers, message.Body);

                try
                {
                    var options = new QueueRequestOptions {RetryPolicy = new ExponentialRetry()};
                    var operationContext = new OperationContext();

                    await queue.AddMessageAsync(cloudQueueMessage, timeToBeReceivedOrNull, queueVisibilityDelayOrNull, options, operationContext);
                }
                catch (Exception exception)
                {
                    throw new RebusApplicationException(exception, $"Could not send message with ID {cloudQueueMessage.Id} to '{destinationAddress}'");
                }
            });
        }

 public DeleteOrderCommand(long orderID, IOrderDataProxy orderDataProxy, OrderItemService orderItemService, ITransactionContext transactionContext)
 {
     _orderID = orderID;
     _orderDataProxy = orderDataProxy;
     _orderItemService = orderItemService;
     _transactionContext = transactionContext;
 }

        /// <summary>
        /// Sends a copy of the specified <see cref="TransportMessageToSend"/> using the underlying implementation of <see cref="ISendMessages"/>
        /// with an encrypted message body and additional headers
        /// </summary>
        public void Send(string destinationQueueName, TransportMessageToSend message, ITransactionContext context)
        {
            var clone = new TransportMessageToSend
                            {
                                Headers = message.Headers.Clone(),
                                Label = message.Label,
                                Body = message.Body,
                            };

            if (compressionHelper != null)
            {
                var compresssionResult = compressionHelper.Compress(clone.Body);
                if (compresssionResult.Item1)
                {
                    clone.Headers[Headers.Compression] = Headers.CompressionTypes.GZip;
                }
                clone.Body = compresssionResult.Item2;
            }

            if (encryptionHelper != null)
            {
                var iv = encryptionHelper.GenerateNewIv();
                clone.Body = encryptionHelper.Encrypt(clone.Body, iv);
                clone.Headers[Headers.Encrypted] = null;
                clone.Headers[Headers.EncryptionSalt] = iv;
            }

            innerSendMessages.Send(destinationQueueName, clone, context);
        }

        internal Transaction(ITransactionContext context, Database database, int commitId, IsolationLevel isolation, IEnumerable<TableSource> committedTables, IEnumerable<IIndexSet> indexSets)
        {
            CommitId = commitId;
            Database = database;
            Isolation = isolation;
            Context = context;

            context.RegisterInstance<ITransaction>(this);

            Registry = new TransactionRegistry(this);
            TableManager.AddVisibleTables(committedTables, indexSets);

            AddInternalTables();

            TableState = new OldNewTableState();

            IsClosed = false;

            Database.TransactionFactory.OpenTransactions.AddTransaction(this);

            this.CurrentSchema(database.Context.DefaultSchema());
            this.ReadOnly(database.Context.ReadOnly());
            this.AutoCommit(database.Context.AutoCommit());
            this.IgnoreIdentifiersCase(database.Context.IgnoreIdentifiersCase());
            this.ParameterStyle(QueryParameterStyle.Marker);
        }

 public OrderItemClientService(IOrderItemDataProxy dataProxy,
                               IProductDataProxy productDataProxy,
                               IInventoryItemDataProxy inventoryDataProxy,
                               ITransactionContext transactionContext) : base(dataProxy, productDataProxy, inventoryDataProxy, transactionContext)
 {
     _inventoryDataProxy = inventoryDataProxy;
     _transactionContext = transactionContext;
 }

        public async Task Send(string destinationAddress, TransportMessage message, ITransactionContext context)
        {
            await _innerTransport.Send(destinationAddress, message, context);

            _sentMessages.Add(message);

            MessageSent(message);
        }