internal static bool HasPersistantStateProvider(Type serviceType)
{
bool hasPersistentprovider = false;
StatePersistenceAttribute persistenceMode = serviceType.GetCustomAttribute <StatePersistenceAttribute>();
if (persistenceMode != null)
{
hasPersistentprovider = persistenceMode.StatePersistence == StatePersistence.Persisted;
}
return(hasPersistentprovider);
}
void EnforceStatefulActorBehaviorPolicy(ServiceDescription serviceDescription)
{
ServiceBehaviorAttribute serviceBehavior = serviceDescription.Behaviors.Find <ServiceBehaviorAttribute>();
if (serviceBehavior != null)
{
Debug.Assert(serviceBehavior.InstanceContextMode == InstanceContextMode.PerSession);
Debug.Assert(serviceBehavior.ConcurrencyMode == ConcurrencyMode.Single);
serviceBehavior.InstanceContextMode = InstanceContextMode.PerSession;
serviceBehavior.ConcurrencyMode = ConcurrencyMode.Single;
serviceBehavior.MaxItemsInObjectGraph = int.MaxValue;
serviceBehavior.UseSynchronizationContext = false;
}
DurableServiceAttribute durableService = new DurableServiceAttribute();
durableService.SaveStateInOperationTransaction = true;
serviceDescription.Behaviors.Add(durableService);
if (serviceDescription.Behaviors.Any(behavior => behavior is ActorStateProviderAttribute) == false)
{
StatePersistenceAttribute persistenceMode = serviceDescription.ServiceType.GetCustomAttribute <StatePersistenceAttribute>();
if (persistenceMode == null)
{
throw new InvalidOperationException("Validation failed. Actor " + serviceDescription.ServiceType.Name + " is missing a StatePersistenceAttribute.");
}
else
{
if (persistenceMode.StatePersistence != StatePersistence.Persisted)
{
serviceDescription.Behaviors.Add(new VolatileActorStateProviderAttribute());
}
else
{
serviceDescription.Behaviors.Add(new KvsActorStateProviderAttribute());
}
}
}
serviceDescription.SetThrottle();
ServiceThrottlingBehavior throttle = serviceDescription.Behaviors.Find <ServiceThrottlingBehavior>();
if (throttle != null)
{
throttle.MaxConcurrentInstances = int.MaxValue;
}
}
internal static I Create <I>(ActorId actorId, string applicationName, string serviceName, ProxyRemotingInvoker invoker, ProxyRemotingInterceptor remotingInterceptor) where I : class, IActor
{
Debug.Assert(FabricRuntime.Actors.ContainsKey(applicationName), "Invalid application name '" + applicationName + "' in service Uri.");
Type actorType = FabricRuntime.Actors[applicationName].SingleOrDefault(type => type.GetInterfaces().Where(interfaceType => ((IsInfrastructureEndpoint(interfaceType) == false) && (interfaceType == typeof(I)))).Any());
Debug.Assert(actorType != null);
Debug.Assert(actorType.BaseType != null);
bool actorExists = actorType.GetCustomAttributes <ApplicationManifestAttribute>().Where(attribute => attribute.ApplicationName.Equals(applicationName)).Any(attribute => attribute.ServiceName.Equals(serviceName));
Debug.Assert(actorExists, "Invalid actor name '" + serviceName + "' in service Uri.");
if (!actorExists)
{
throw new InvalidOperationException("Service does not exist.");
}
IServiceBehavior actorBehavior = null;
StatePersistenceAttribute persistenceMode = actorType.GetCustomAttribute <StatePersistenceAttribute>();
if (persistenceMode == null)
{
throw new InvalidOperationException("Validation failed. Actor " + actorType.Name + " is missing a StatePersistenceAttribute.");
}
else
{
actorBehavior = new StatefulActorBehavior();
}
if (actorBehavior == null)
{
throw new InvalidOperationException("Validation failed.");
}
if ((ServiceTestBase.ActorMocks != null) && (ServiceTestBase.ActorMocks.ContainsKey(actorType)) && (ServiceTestBase.ActorMocks[actorType] != null))
{
I mock = null;
if (ServiceTestBase.ActorMocks[actorType] is Moq.Mock)
{
mock = ((Moq.Mock)ServiceTestBase.ActorMocks[actorType]).Object as I;
}
else
{
mock = ServiceTestBase.ActorMocks[actorType] as I;
}
if (mock != null)
{
return(mock);
}
}
try
{
actorId.ApplicationName = applicationName;
actorId.ActorInterfaceName = typeof(I).FullName;
actorId.ActorServiceName = serviceName;
ServiceContext context = new ServiceContext {
ServiceName = new Uri("fabric:/" + applicationName + "/" + serviceName)
};
MethodInfo initializeInstance = m_InitializeInstanceDefinition.MakeGenericMethod(actorType, typeof(I));
ChannelFactory <I> factory = initializeInstance.Invoke(null, new object[] { actorBehavior, new ProxyMessageInterceptor(actorId, context, remotingInterceptor), m_ProxyBinding, m_ActorBinding }) as ChannelFactory <I>;
I channel = new ActorChannelInvoker <I>().Install(factory, actorId, invoker);
channel.ActivateAsync().Wait();
return(channel);
}
catch (TargetInvocationException exception)
{
throw exception.InnerException;
}
}
