internal StatelessServiceBroker(IStatelessServiceInstance statelessServiceInstance, ServiceInitializationParameters initializationParameters, long instanceId)
{
Requires.Argument("statelessServiceInstance", statelessServiceInstance).NotNull();
Requires.Argument("initializationParameters", initializationParameters).NotNull();
this.statelessService = statelessServiceInstance;
this.initializationParameters = initializationParameters;
this.instanceId = instanceId;
}
public StatefulServiceReplicaBroker(IStatefulServiceReplica statefulServiceReplica, ServiceInitializationParameters initializationParameters, long replicaId)
{
Requires.Argument("statefulServiceReplica", statefulServiceReplica).NotNull();
Requires.Argument("initializationParameters", initializationParameters).NotNull();
this.statefulServiceReplica = statefulServiceReplica;
this.initializationParameters = initializationParameters;
this.replicaId = replicaId;
// KVS is currently the only service that internally supports returning additional
// DeployedStatefulServiceReplicaDetail information. If we ever support custom
// information from user services, then GetQueryResult() can be exposed via IStatefulServiceReplica.
//
var casted = this.statefulServiceReplica as KeyValueStoreReplica;
if (casted != null)
{
this.internalReplica = casted.InternalStore;
}
}
private TReturnValue CreateHelper <TFactory, TReturnValue>(
IntPtr nativeServiceType,
IntPtr nativeServiceName,
uint initializationDataLength,
IntPtr nativeInitializationData,
Guid partitionId,
Func <TFactory, ServiceInitializationParameters, TReturnValue> creationFunc,
Action <TReturnValue, ServiceInitializationParameters> initializationFunc,
ServiceInitializationParameters initializationParameters)
where TReturnValue : class
where TFactory : class
{
ServiceFactoryBroker.ValidatePublicApiArguments(nativeServiceType, nativeServiceName);
string managedServiceType = NativeTypes.FromNativeString(nativeServiceType);
string managedServiceName = NativeTypes.FromNativeString(nativeServiceName);
byte[] initializationData = ServiceFactoryBroker.ParseInitializationData(initializationDataLength, nativeInitializationData);
Uri serviceNameUri = null;
if (managedServiceName.StartsWith("fabric:", StringComparison.Ordinal))
{
serviceNameUri = new Uri(managedServiceName);
AppTrace.TraceSource.WriteNoise(
"ServiceFactoryBroker.CreateInstance",
"Creating Instance for {0} Uri {1} partitionId {2}",
managedServiceType,
serviceNameUri.OriginalString,
partitionId);
}
else
{
AppTrace.TraceSource.WriteNoise(
"ServiceFactoryBroker.CreateInstance",
"Creating Instance for {0} System Service {1} partitionId {2}",
managedServiceType,
managedServiceName,
partitionId);
}
TFactory factory = this.serviceFactory as TFactory;
if (factory == null)
{
AppTrace.TraceSource.WriteError("ServiceFactoryBroker.CreateInstanceHelper", "ServiceFactory type is incorrect for creation call {0}", this.serviceFactory.GetType().FullName);
throw new InvalidOperationException(StringResources.Error_ServiceFactoryBroker_Invalid_ServiceFactoryType);
}
initializationParameters.InitializationData = initializationData;
initializationParameters.ServiceTypeName = managedServiceType;
initializationParameters.ServiceName = serviceNameUri;
initializationParameters.PartitionId = partitionId;
TReturnValue instance;
try
{
instance = creationFunc(factory, initializationParameters);
}
catch (Exception e)
{
AppTrace.TraceSource.WriteExceptionAsWarning("ServiceFactoryBroker.CreateInstanceHelper", e, "the passed in servicefactory threw exception");
CreateReplicaOrInstanceApi.HandleException(e);
throw;
}
if (instance == null)
{
AppTrace.TraceSource.WriteError("ServiceFactoryBroker.CreateInstance", "ServiceFactory returned null {0}", this.serviceFactory.GetType().FullName);
throw new InvalidOperationException(StringResources.Error_ServiceFactoryBroker_Null_Return);
}
try
{
initializationFunc(instance, initializationParameters);
}
catch (Exception e)
{
AppTrace.TraceSource.WriteExceptionAsWarning("ServiceFactoryBroker.CreateInstanceHelper", e, "the service threw an exception in Initialize");
CreateReplicaOrInstanceApi.HandleException(e);
throw;
}
return(instance as TReturnValue);
}
