object IMutateOutgoingMessages.MutateOutgoing(object message)
{
var timeToBeReceived = TimeToBeReceived(message);
using (new TransactionScope(TransactionScopeOption.Suppress))
{
foreach (var property in 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();
}
serializer.Serialize(propertyValue, stream);
stream.Position = 0;
var 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
message.SetHeader(DATABUS_PREFIX + headerKey, headerValue);
}
}
}
return(message);
}
object IMutateOutgoingMessages.MutateOutgoing(object message)
{
var timeToBeReceived = message.TimeToBeReceived();
using (new TransactionScope(TransactionScopeOption.Suppress))
foreach (var dataBusProperty in message.DataBusPropertiesWithValues())
{
using (var stream = new MemoryStream())
{
serializer.Serialize(dataBusProperty.GetValue(), stream);
stream.Position = 0;
dataBusProperty.Key = dataBus.Put(stream, timeToBeReceived);
//we use the headers to in order to allow the infrastructure (eg. the gateway) to modify the actual key
message.SetHeader(DATABUS_PREFIX + dataBusProperty.Key, dataBusProperty.Key);
}
}
return(message);
}
private void PutValueOnDataBus(IDataBusProperty propertyInstance, object valueToPutOnBus, DataBusPropertyInfo dataBusPropertyInfo)
{
propertyInstance.HasValue = true;
using (MemoryStream memoryStream = new MemoryStream())
{
_dataBusSerializer.Serialize(valueToPutOnBus, memoryStream);
if (_dataBusSettings.IsChecksummingEnabled)
{
memoryStream.Position = 0;
propertyInstance.Checksum = Checksum.GetSha256HashBuffered(memoryStream);
_log.Info("SHA256 checksum of databus property '{0}' is '{1}'.", dataBusPropertyInfo.Name, propertyInstance.Checksum);
}
string claimKey;
using (new TransactionScope(_dataBusSettings.TransactionScope))
{
memoryStream.Position = 0;
claimKey = _dataBus.Put(memoryStream, dataBusPropertyInfo.IsCompressedProperty);
}
if (String.IsNullOrWhiteSpace(claimKey))
{
string errorMsg = String.Format("The claimkey for databus property '{0}' returned by the databus is null or whitespace! You can't claim anything without a claim key.", dataBusPropertyInfo.Name);
_log.Error(errorMsg);
throw new DataBusPropertyOffoadException(errorMsg);
}
propertyInstance.ClaimKey = claimKey;
}
}