private void LoadValueFromDataBus(IDataBusProperty propertyInstance, DataBusPropertyInfo propertyInfo)
{
if (String.IsNullOrWhiteSpace(propertyInstance.ClaimKey))
{
string errorMsg = String.Format("Claim key of databus property '{0}' is missing. We can't fetch anything from the databus if the claimkey is null or whitespace.", propertyInfo.Name);
_log.Error(errorMsg);
throw new DataBusPropertyLoadException(errorMsg);
}
using (new TransactionScope(_dataBusSettings.TransactionScope))
{
//todo remove file from databus?
using (Stream stream = _dataBus.Get(propertyInstance.ClaimKey, propertyInfo.IsCompressedProperty))
{
if (_dataBusSettings.IsChecksummingEnabled)
{
DoChecksumming(propertyInstance, propertyInfo, stream);
}
stream.Position = 0;
object obj = _dataBusSerializer.Deserialize(stream);
if (obj == null)
{
_log.Warn("Deserializing databus stream resulted in a null object.");
}
propertyInstance.SetValue(obj);
}
}
}
IMessage IMutateIncomingMessages.MutateIncoming(IMessage message)
{
using (new TransactionScope(TransactionScopeOption.Suppress))
foreach (var dataBusProperty in message.DataBusPropertiesWithValues())
{
using (var stream = dataBus.Get(dataBusProperty.Key))
{
var value = serializer.Deserialize(stream);
dataBusProperty.SetValue(value);
}
}
return(message);
}
object IMutateIncomingMessages.MutateIncoming(object message)
{
using (new TransactionScope(TransactionScopeOption.Suppress))
foreach (var dataBusProperty in message.DataBusPropertiesWithValues())
{
var dataBusKey = message.GetHeader(DATABUS_PREFIX + dataBusProperty.Key);
using (var stream = dataBus.Get(dataBusKey))
{
var value = serializer.Deserialize(stream);
dataBusProperty.SetValue(value);
}
}
return(message);
}
object IMutateIncomingMessages.MutateIncoming(object message)
{
using (new TransactionScope(TransactionScopeOption.Suppress))
{
foreach (var property in 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);
}
var dataBusKey = message.GetHeader(DATABUS_PREFIX + headerKey);
if (string.IsNullOrEmpty(dataBusKey))
{
continue;
}
using (var stream = dataBus.Get(dataBusKey))
{
var value = serializer.Deserialize(stream);
if (dataBusProperty != null)
{
dataBusProperty.SetValue(value);
}
else
{
property.SetValue(message, value, null);
}
}
}
}
return(message);
}