protected virtual UnsubscribeAction Connect <TComponent, TMessage>(ISubscriberContext context)
where TMessage : class
where TComponent : class, Observes <TMessage, TComponent>, ISaga
{
MessageRouterConfigurator routerConfigurator = MessageRouterConfigurator.For(context.Pipeline);
var router = routerConfigurator.FindOrCreate <TMessage>();
var instance = (Observes <TMessage, TComponent>) FastActivator <TComponent> .Create(Guid.Empty);
Expression <Func <TComponent, TMessage, bool> > selector = instance.GetBindExpression();
var repository = context.Builder.GetInstance <ISagaRepository <TComponent> >();
var policy = new ExistingSagaPolicy <TComponent, TMessage>(x => false);
var sink = new PropertySagaMessageSink <TComponent, TMessage>(context, context.Data as IServiceBus, repository, policy, selector);
if (sink == null)
{
throw new ConfigurationException("Could not build the message sink for " + typeof(TComponent).FullName);
}
var result = router.Connect(sink);
UnsubscribeAction remove = context.SubscribedTo <TMessage>();
return(() => result() && (router.SinkCount == 0) && remove());
}
protected override ISagaMessageSink <TSaga, TMessage> CreateSink(ISagaRepository <TSaga> repository,
ISagaPolicy <TSaga, TMessage> policy)
{
var sink = new PropertySagaMessageSink <TSaga, TMessage>(repository, policy, _selector);
if (sink == null)
{
throw new ConfigurationException("Could not build the message sink for " + typeof(TSaga).FullName);
}
return(sink);
}
public bool Inspect <TComponent, TMessage>(PropertySagaMessageSink <TComponent, TMessage> sink)
where TMessage : class
where TComponent : class, Consumes <TMessage> .All, ISaga
{
string policyDescription = GetPolicy(sink.Policy);
string expression = sink.Selector.ToString();
Append(string.Format("{0} Saga {1} ({2}): {3}", policyDescription, GetComponentName <TComponent>(),
GetMessageName <TMessage>(), expression));
return(true);
}
public bool Inspect <TComponent, TMessage>(PropertySagaMessageSink <TComponent, TMessage> sink)
where TMessage : class
where TComponent : class, Consumes <TMessage> .All, ISaga
{
Type componentType = typeof(TComponent);
string componentName = componentType.IsGenericType ? componentType.GetGenericTypeDefinition().FullName : componentType.FullName;
string policyDescription = GetPolicy(sink.Policy);
string expression = sink.Selector.ToString();
Append(string.Format("{0} Saga {1} ({2}): {3}", policyDescription, componentName, typeof(TMessage).Name, expression));
return(true);
}
