public void Start(IServiceBus bus)
{
_bus = bus;
_controlBus = bus.ControlBus;
bus.Configure(pipelineConfigurator =>
{
foreach (WorkerConnector connector in _connectors)
{
try
{
ISubscriptionReference subscription = connector.Connect(pipelineConfigurator, this);
_subscriptions.Add(subscription);
}
catch (Exception)
{
StopAllSubscriptions();
throw;
}
}
return(() => true);
});
_scheduler.Schedule(TimeSpan.Zero, _publishInterval, _fiber, PublishWorkerAvailability);
}
/// <summary>
/// Adds a message handler to the service bus for handling a specific type of message
/// </summary>
/// <typeparam name="T">The message type to handle, often inferred from the callback specified</typeparam>
/// <param name="bus"></param>
/// <param name="handler">The callback to invoke when messages of the specified type arrive on the service bus</param>
public static UnsubscribeAction SubscribeHandlerSelector <T>(this IServiceBus bus, HandlerSelector <T> handler)
where T : class
{
var connector = new HandlerSubscriptionConnector <T>();
return(bus.Configure(x => connector.Connect(x, handler)));
}
/// <summary>
/// Connects any consumers for the component to the message dispatcher
/// </summary>
/// <param name="bus"></param>
/// <param name="instance"></param>
public static UnsubscribeAction SubscribeInstance([NotNull] this IServiceBus bus, [NotNull] object instance)
{
Guard.AgainstNull(instance, "instance", "A null instance cannot be subscribed");
InstanceConnector connector = InstanceConnectorCache.GetInstanceConnector(instance.GetType());
return(bus.Configure(x => connector.Connect(x, instance)));
}
/// <summary>
/// Connects any consumers for the component to the message dispatcher
/// </summary>
/// <typeparam name="T">The consumer type</typeparam>
/// <param name="bus"></param>
/// <param name="instance"></param>
public static UnsubscribeAction SubscribeInstance <T>([NotNull] this IServiceBus bus, [NotNull] T instance)
where T : class
{
Guard.AgainstNull(instance, "instance", "A null instance cannot be subscribed");
InstanceConnector connector = InstanceConnectorCache.GetInstanceConnector <T>();
return(bus.Configure(x => connector.Connect(x, instance)));
}
public static UnsubscribeAction SubscribeSagaWorker <TSaga>(this IServiceBus bus, object worker,
ISagaRepository <TSaga> sagaRepository)
where TSaga : class, ISaga
{
Guard.AgainstNull(worker, "worker", "A null saga worker was specified");
SagaWorkerConnector connector = new SagaWorkerConnector <TSaga>(sagaRepository);
return(bus.Configure(x => connector.Connect(x, worker)));
}
public void Start(IServiceBus bus)
{
_bus = bus;
_unregisterAction = _bus.Configure(x =>
{
UnregisterAction unregisterAction = x.Register(this);
return(() => unregisterAction());
});
}
public static UnsubscribeAction SubscribeStateMachineSaga <TInstance>(
this IServiceBus bus, StateMachine <TInstance> stateMachine, ISagaRepository <TInstance> sagaRepository)
where TInstance : class, SagaStateMachineInstance
{
var stateMachineSagaRepositoryConfigurator =
new StateMachineSagaRepositoryConfiguratorImpl <TInstance>(stateMachine, sagaRepository);
StateMachineSagaRepository <TInstance> repository = stateMachineSagaRepositoryConfigurator.Configure();
var connector = new StateMachineConnector <TInstance>(stateMachine, repository);
return(bus.Configure(x => connector.Connect(x)));
}
IRequest <TRequest> Build(IServiceBus bus)
{
UnsubscribeAction unsubscribeAction = bus.Configure(configurator =>
{
UnsubscribeAction seed = () => true;
return(_handlers.Aggregate(seed, (x, handlerConfigurator) => x + handlerConfigurator(configurator)));
});
_request.SetUnsubscribeAction(unsubscribeAction);
return(_request);
}
/// <summary>
/// Connects the saga to the service bus
/// </summary>
/// <typeparam name="TSaga">The consumer type</typeparam>
/// <param name="bus"></param>
/// <param name="sagaRepository"></param>
public static UnsubscribeAction SubscribeSaga <TSaga>(this IServiceBus bus, ISagaRepository <TSaga> sagaRepository)
where TSaga : class, ISaga
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Subscribing Saga: {0}", typeof(TSaga));
}
Guard.AgainstNull(sagaRepository, "sagaRepository", "A saga repository must be specified");
var connector = new SagaConnector <TSaga>(sagaRepository);
return(bus.Configure(x => connector.Connect(x)));
}
public IAsyncRequest <TRequest> Build(IServiceBus bus)
{
_request.SetTimeout(Timeout);
if (TimeoutHandler != null)
{
_request.SetTimeoutHandler(TimeoutHandler);
}
UnsubscribeAction unsubscribeAction = bus.Configure(x => Handlers.CombineSubscriptions(h => h.Connect(x)));
_request.SetUnsubscribeAction(unsubscribeAction);
return(_request);
}
public static UnsubscribeAction SubscribeConsumer <TConsumer>([NotNull] this IServiceBus bus,
[NotNull] IConsumerFactory <TConsumer>
consumerFactory)
where TConsumer : class
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Subscribing Consumer: {0} (using supplied consumer factory)", typeof(TConsumer));
}
ConsumerConnector connector = ConsumerConnectorCache.GetConsumerConnector <TConsumer>();
return(bus.Configure(x => connector.Connect(x, consumerFactory)));
}
public static UnsubscribeAction SubscribeConsumer <TConsumer>([NotNull] this IServiceBus bus)
where TConsumer : class, new()
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Subscribing Consumer: {0} (using default consumer factory)", typeof(TConsumer));
}
var delegateConsumerFactory = new DelegateConsumerFactory <TConsumer>(() => new TConsumer());
ConsumerConnector connector = ConsumerConnectorCache.GetConsumerConnector <TConsumer>();
return(bus.Configure(x => connector.Connect(x, delegateConsumerFactory)));
}
public static UnsubscribeAction SubscribeConsumer([NotNull] this IServiceBus bus, [NotNull] Type consumerType,
[NotNull] Func <Type, object> consumerFactory)
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Subscribing Consumer: {0} (by type, using object consumer factory)", consumerType);
}
object factory = FastActivator.Create(typeof(ObjectConsumerFactory <>), new[] { consumerType },
new object[] { consumerFactory });
ConsumerConnector connector = ConsumerConnectorCache.GetConsumerConnector(consumerType);
return(bus.Configure(x => connector.FastInvoke <ConsumerConnector, UnsubscribeAction>("Connect", x, factory)));
}
public static UnsubscribeAction SubscribeInterceptingConsumer <TConsumer>([NotNull] this IServiceBus bus,
[NotNull] Func <TConsumer> consumerFactory, [NotNull] Action <Action> interceptor)
where TConsumer : class, IConsumer
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Subscribing Consumer: {0} (using delegate consumer factory)", typeof(TConsumer));
}
var delegateConsumerFactory = new DelegateConsumerFactory <TConsumer>(consumerFactory);
var interceptingConsumerFactory = new InterceptingConsumerFactory <TConsumer>(delegateConsumerFactory,
interceptor);
ConsumerConnector connector = ConsumerConnectorCache.GetConsumerConnector <TConsumer>();
return(bus.Configure(x => connector.Connect(x, interceptingConsumerFactory)));
}
void ListenToBus(IServiceBus bus)
{
var subscriptionEventListener = new BusSubscriptionEventListener(bus, this);
_unregister += bus.Configure(x =>
{
UnregisterAction unregisterAction = x.Register(subscriptionEventListener);
return(() => unregisterAction());
});
_listeners.Add(subscriptionEventListener);
IServiceBus controlBus = bus.ControlBus;
if (controlBus != bus)
{
ListenToBus(controlBus);
}
}
public void Start(IServiceBus bus)
{
bus.Configure(pipelineConfigurator =>
{
foreach (ISubscriptionBuilder builder in _builders)
{
try
{
ISubscriptionReference subscription = builder.Subscribe(pipelineConfigurator);
_subscriptions.Add(subscription);
}
catch (Exception)
{
StopAllSubscriptions();
throw;
}
}
return(() => true);
});
}
public void Start(IServiceBus bus)
{
bus.Configure(pipelineConfigurator =>
{
foreach (SubscriptionBuilder builder in _builders)
{
try
{
ISubscriptionReference subscription = builder.Subscribe(pipelineConfigurator);
_subscriptions.Add(subscription);
}
catch (Exception)
{
StopAllSubscriptions();
throw;
}
}
return () => true;
});
}
public void Start(IServiceBus bus)
{
_bus = bus;
_controlBus = bus.ControlBus;
bus.Configure(pipelineConfigurator =>
{
foreach (DistributorConnector connector in _connectors)
{
try
{
ISubscriptionReference subscription = connector.Connect(pipelineConfigurator, this);
_subscriptions.Add(subscription);
}
catch (Exception)
{
StopAllSubscriptions();
throw;
}
}
return(() => true);
});
}
public UnsubscribeAction Configure(Func <IInboundPipelineConfigurator, UnsubscribeAction> configure)
{
return(_bus.Configure(configure));
}
void ListenToBus(IServiceBus bus)
{
var subscriptionEventListener = new BusSubscriptionEventListener(bus, this);
_unregister += bus.Configure(x =>
{
UnregisterAction unregisterAction = x.Register(subscriptionEventListener);
return () => unregisterAction();
});
_listeners.Add(subscriptionEventListener);
IServiceBus controlBus = bus.ControlBus;
if (controlBus != bus)
{
ListenToBus(controlBus);
}
}
