Example #1
0
        public void Invoke(OutgoingContext context, Action next)
        {
            if (context.OutgoingLogicalMessage.IsControlMessage())
            {
                next();
                return;
            }

            var timeToBeReceived = context.OutgoingLogicalMessage.Metadata.TimeToBeReceived;
            var message          = context.OutgoingLogicalMessage.Instance;

            foreach (var property in Conventions.GetDataBusProperties(message))
            {
                var propertyValue = property.GetValue(message, null);

                if (propertyValue == null)
                {
                    continue;
                }

                using (var stream = new MemoryStream())
                {
                    var dataBusProperty = propertyValue as IDataBusProperty;

                    if (dataBusProperty != null)
                    {
                        propertyValue = dataBusProperty.GetValue();
                    }

                    DataBusSerializer.Serialize(propertyValue, stream);
                    stream.Position = 0;

                    string headerValue;

                    using (new TransactionScope(TransactionScopeOption.Suppress))
                    {
                        headerValue = DataBus.Put(stream, timeToBeReceived);
                    }

                    string headerKey;

                    if (dataBusProperty != null)
                    {
                        dataBusProperty.Key = headerValue;
                        //we use the headers to in order to allow the infrastructure (eg. the gateway) to modify the actual key
                        headerKey = headerValue;
                    }
                    else
                    {
                        property.SetValue(message, null, null);
                        headerKey = String.Format("{0}.{1}", message.GetType().FullName, property.Name);
                    }

                    //we use the headers to in order to allow the infrastructure (eg. the gateway) to modify the actual key
                    context.OutgoingLogicalMessage.Headers["NServiceBus.DataBus." + headerKey] = headerValue;
                }
            }

            next();
        }
Example #2
0
        public void Invoke(IncomingContext context, Action next)
        {
            var message = context.IncomingLogicalMessage.Instance;

            foreach (var property in Conventions.GetDataBusProperties(message))
            {
                var propertyValue = property.GetValue(message, null);

                var    dataBusProperty = propertyValue as IDataBusProperty;
                string headerKey;

                if (dataBusProperty != null)
                {
                    headerKey = dataBusProperty.Key;
                }
                else
                {
                    headerKey = String.Format("{0}.{1}", message.GetType().FullName, property.Name);
                }

                string dataBusKey;

                if (!context.IncomingLogicalMessage.Headers.TryGetValue("NServiceBus.DataBus." + headerKey, out dataBusKey))
                {
                    continue;
                }

                using (new TransactionScope(TransactionScopeOption.Suppress))
                    using (var stream = DataBus.Get(dataBusKey))
                    {
                        var value = DataBusSerializer.Deserialize(stream);

                        if (dataBusProperty != null)
                        {
                            dataBusProperty.SetValue(value);
                        }
                        else
                        {
                            property.SetValue(message, value, null);
                        }
                    }
            }

            next();
        }