public ServiceBusRuntime(IServiceLocator serviceLocator)
{
try
{
serviceLocator = Microsoft.Practices.ServiceLocation.ServiceLocator.Current;
}
catch (NullReferenceException) // 1.0 throws null ref exception if no provider delegate is set.
{
}
if (serviceLocator == null)
{
serviceLocator = SimpleServiceLocator.With(new Delivery.DirectDeliveryCore()); // default to simple service locator with direct message delivery
}
_serviceLocator = serviceLocator;
attachServices();
_subscriptionEndpoint = new SubscriptionEndpoint(Guid.Empty, "Subscription endpoint", null, null, (Type)null, new SubscriptionDispatcher(() => this.ListSubscriptions(true)), new PredicateMessageFilter(pr => false), true, null);
_correlatorEndpoint = new SubscriptionEndpoint(Guid.NewGuid(), "Correlator", null, null, (Type)null, new ActionDispatcher((se, md) =>
{
_correlator.Reply((string)md.Context[MessageDelivery.CorrelationId], md);
}), new PredicateMessageFilter(pr => pr.Context.ContainsKey(MessageDelivery.CorrelationId)), true, null);
Subscribe(_subscriptionEndpoint);
Subscribe(_correlatorEndpoint);
}
public void RemoveSubscription(SubscriptionEndpoint subscription)
{
if (_disposed)
{
throw new ObjectDisposedException("ServiceBusRuntime");
}
if (subscription == null)
{
throw new ArgumentNullException("subscription");
}
bool removed = false;
try
{
using (TransactionScope ts = new TransactionScope())
{
subscription.Dispatcher.StopInternal();
_subscriptions.Write(subscriptions =>
{
subscriptions.Remove(subscription);
subscription.Dispatcher.Runtime = null;
removed = true;
});
foreach (RuntimeService service in ServiceLocator.GetAllInstances <RuntimeService>())
{
service.OnSubscriptionRemoved(subscription);
}
EventHandler <EndpointEventArgs> unsubscribedEvent = SubscriptionRemoved;
if (unsubscribedEvent != null)
{
unsubscribedEvent(this, new EndpointEventArgs(subscription));
}
ts.Complete();
}
}
catch
{
if (removed)
{
// Re-add subscription on failure
_subscriptions.Write(subscriptions =>
{
subscriptions.Add(subscription);
});
}
throw;
}
}
void deliverToSubscriptionEndpoint(TimeSpan timeout, PublishRequest publishRequest)
{
SubscriptionEndpoint se = _subscriptionEndpoint;
publishRequest = PublishRequest.Copy(publishRequest, new KeyValuePair <MessageDeliveryContextKey, object>(MessageDelivery.PublishRequestId, publishRequest.PublishRequestId));
using (TransactionScope ts = new TransactionScope())
{
MessageDelivery md = new MessageDelivery(Guid.NewGuid().ToString(), se.Id, publishRequest.ContractType, publishRequest.Action, publishRequest.Message, MaxRetries, 0, null, publishRequest.Context, DateTime.Now + timeout);
DeliveryCore deliveryCore = ServiceLocator.GetInstance <DeliveryCore>();
deliveryCore.Deliver(md);
ts.Complete();
}
}
public SubscriptionEndpoint GetSubscription(Guid subscriptionEndpointId)
{
if (_disposed)
{
throw new ObjectDisposedException("ServiceBusRuntime");
}
SubscriptionEndpoint endpoint = null;
_subscriptions.Read(subscriptions =>
{
endpoint = subscriptions.FirstOrDefault(s => s.Id == subscriptionEndpointId);
});
return(endpoint);
}
public void AddBindingParameters(ServiceDescription serviceDescription, ServiceHostBase serviceHostBase, System.Collections.ObjectModel.Collection <ServiceEndpoint> endpoints, System.ServiceModel.Channels.BindingParameterCollection bindingParameters)
{
Dispatcher dispatcher;
if (DispatcherType != null)
{
dispatcher = (Dispatcher)Activator.CreateInstance(DispatcherType);
}
else
{
dispatcher = new WcfProxyDispatcher();
}
SubscriptionEndpoint subscription = new SubscriptionEndpoint(SubscriptionId ?? Guid.NewGuid(), Name, ConfigurationName, Address ?? serviceDescription.Endpoints[0].Address.Uri.ToString(), ContractType, dispatcher, WcfProxyDispatcher.CreateMessageFilter(ContractType), Transient);
SubscriptionExtension extension = new SubscriptionExtension(subscription);
extension.UnsubscribeOnClosing = UnsubscribeOnClosing;
serviceHostBase.Extensions.Add(extension);
}
public void RemoveSubscription(Guid subscriptionId)
{
if (_disposed)
{
throw new ObjectDisposedException("ServiceBusRuntime");
}
SubscriptionEndpoint endpoint = null;
_subscriptions.Read(subscriptions =>
{
endpoint = subscriptions.FirstOrDefault(s => s.Id == subscriptionId);
});
if (endpoint == null)
{
throw new SubscriptionNotFoundException();
}
RemoveSubscription(endpoint);
}
public SubscriptionExtension(SubscriptionEndpoint subscription)
{
Subscription = subscription;
}
/// <summary>
/// Called when a service is removed from the service bus
/// </summary>
/// <param name="endpoint"></param>
protected internal virtual void OnSubscriptionRemoved(SubscriptionEndpoint endpoint)
{
}
protected Dispatcher(SubscriptionEndpoint endpoint)
{
_endpoint = endpoint;
}
/// <summary>
/// Called when a service is removed from the service bus
/// </summary>
/// <param name="endpoint"></param>
protected virtual internal void OnSubscriptionRemoved(SubscriptionEndpoint endpoint)
{
}
public void Subscribe(SubscriptionEndpoint subscription)
{
if (_disposed) throw new ObjectDisposedException("ServiceBusRuntime");
if (subscription == null) throw new ArgumentNullException("subscription");
if (subscription.Dispatcher.Runtime != null)
{
throw new InvalidOperationException("Subscription is attached to a bus already");
}
bool added = false;
try
{
using (TransactionScope ts = new TransactionScope())
{
_subscriptions.Write(subscriptions =>
{
subscriptions.Add(subscription);
subscription.Dispatcher.Runtime = this;
added = true;
});
if (_started)
{
subscription.Dispatcher.StartInternal() ;
}
foreach (RuntimeService service in ServiceLocator.GetAllInstances<RuntimeService>())
{
service.OnSubscriptionAdded(subscription);
}
EventHandler<EndpointEventArgs> subscribedEvent = SubscriptionAdded;
if (subscribedEvent != null) subscribedEvent(this, new EndpointEventArgs(subscription));
ts.Complete();
}
}
catch
{
if (added)
{
// Remove subscription on failure
_subscriptions.Write(subscriptions =>
{
subscriptions.Remove(subscription);
});
}
throw;
}
}
public void RemoveSubscription(SubscriptionEndpoint subscription)
{
if (_disposed) throw new ObjectDisposedException("ServiceBusRuntime");
if (subscription == null) throw new ArgumentNullException("subscription");
bool removed = false;
try
{
using (TransactionScope ts = new TransactionScope())
{
subscription.Dispatcher.StopInternal();
_subscriptions.Write(subscriptions =>
{
subscriptions.Remove(subscription);
subscription.Dispatcher.Runtime = null;
removed = true;
});
foreach (RuntimeService service in ServiceLocator.GetAllInstances<RuntimeService>())
{
service.OnSubscriptionRemoved(subscription);
}
EventHandler<EndpointEventArgs> unsubscribedEvent = SubscriptionRemoved;
if (unsubscribedEvent != null) unsubscribedEvent(this, new EndpointEventArgs(subscription));
ts.Complete();
}
}
catch
{
if (removed)
{
// Re-add subscription on failure
_subscriptions.Write(subscriptions =>
{
subscriptions.Add(subscription);
});
}
throw;
}
}
public ServiceBusRuntime(IServiceLocator serviceLocator)
{
try
{
serviceLocator = Microsoft.Practices.ServiceLocation.ServiceLocator.Current;
}
catch(NullReferenceException) // 1.0 throws null ref exception if no provider delegate is set.
{
}
if (serviceLocator == null)
{
serviceLocator = SimpleServiceLocator.With(new Delivery.DirectDeliveryCore()); // default to simple service locator with direct message delivery
}
_serviceLocator = serviceLocator;
attachServices();
_subscriptionEndpoint = new SubscriptionEndpoint(Guid.Empty, "Subscription endpoint", null, null, (Type)null, new SubscriptionDispatcher(() => this.ListSubscriptions(true)), new PredicateMessageFilter(pr => false), true, null);
_correlatorEndpoint = new SubscriptionEndpoint(Guid.NewGuid(), "Correlator", null, null, (Type)null, new ActionDispatcher((se, md) =>
{
_correlator.Reply((string)md.Context[MessageDelivery.CorrelationId], md);
}), new PredicateMessageFilter(pr => pr.Context.ContainsKey(MessageDelivery.CorrelationId)), true, null);
Subscribe(_subscriptionEndpoint);
Subscribe(_correlatorEndpoint);
}
public void Subscribe(SubscriptionEndpoint subscription)
{
if (_disposed)
{
throw new ObjectDisposedException("ServiceBusRuntime");
}
if (subscription == null)
{
throw new ArgumentNullException("subscription");
}
if (subscription.Dispatcher.Runtime != null)
{
throw new InvalidOperationException("Subscription is attached to a bus already");
}
bool added = false;
try
{
using (TransactionScope ts = new TransactionScope())
{
_subscriptions.Write(subscriptions =>
{
subscriptions.Add(subscription);
subscription.Dispatcher.Runtime = this;
added = true;
});
if (_started)
{
subscription.Dispatcher.StartInternal();
}
foreach (RuntimeService service in ServiceLocator.GetAllInstances <RuntimeService>())
{
service.OnSubscriptionAdded(subscription);
}
EventHandler <EndpointEventArgs> subscribedEvent = SubscriptionAdded;
if (subscribedEvent != null)
{
subscribedEvent(this, new EndpointEventArgs(subscription));
}
ts.Complete();
}
}
catch
{
if (added)
{
// Remove subscription on failure
_subscriptions.Write(subscriptions =>
{
subscriptions.Remove(subscription);
});
}
throw;
}
}
