public static ProcessingUnitHost FromConfiguration(MessagePipelineSection configuration)
{
ProcessingUnitHost host = new ProcessingUnitHost();
Dictionary<string,IChannel> mChannelLookup = new Dictionary<string,IChannel>();
for (int i = 0; i < configuration.Pipelines.Count; i++)
{
for (int j = 0; j < configuration.Pipelines[i].Channels.Count; j++)
{
var channel = configuration.Pipelines[i].Channels[j];
if (channel.Scheme != "sb")
throw new NotImplementedException("Schemes other than 'sb' are not supported.");
//TODO: this is not nice... other/better way to do injection (support custom implementation)
mChannelLookup.Add(channel.Name, (IChannel)Activator.CreateInstance
(Type.GetType("IntegrationPatterns.ServiceBus.Channel, IntegrationPatterns.ServiceBus"),
channel.Name));
}
for (int j = 0; j < configuration.Pipelines[i].ProcessingUnits.Count; j++)
{
var config = configuration.Pipelines[i].ProcessingUnits[j];
var unit = Activator.CreateInstance(Type.GetType(config.UnitType));
fixChannelReferences(((ProcessingUnit)unit).InputChannels, config.Inputs, mChannelLookup);
fixChannelReferences(((ProcessingUnit)unit).OutputChannels, config.Outputs, mChannelLookup);
fixChannelReferences(((ProcessingUnit)unit).ControlChannels, config.Controls, mChannelLookup);
host.AddProcessingUnit(config.Name, (ProcessingUnit)unit);
}
}
return host;
}