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();
}
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();
}
