public void InitTest()
{
this.host = new DataServiceHost2Simulator();
this.host.AbsoluteServiceUri = new Uri("http://service/");
this.host.AbsoluteServiceUri = new Uri("http://service/set1");
var providerSimulator = new DataServiceProviderSimulator();
this.service = new DataServiceSimulator
{
OperationContext = new DataServiceOperationContext(false, this.host),
Configuration = new DataServiceConfiguration(providerSimulator)
};
DataServiceStaticConfiguration staticConfiguration = new DataServiceStaticConfiguration(this.service.Instance.GetType(), providerSimulator);
IDataServiceProviderBehavior providerBehavior = DataServiceProviderBehavior.CustomDataServiceProviderBehavior;
this.service.ProcessingPipeline = new DataServiceProcessingPipeline();
this.service.Provider = new DataServiceProviderWrapper(
new DataServiceCacheItem(
this.service.Configuration,
staticConfiguration),
providerSimulator,
providerSimulator,
this.service,
false);
this.service.Provider.ProviderBehavior = providerBehavior;
this.service.OperationContext.InitializeAndCacheHeaders(this.service);
}
public void Initialize()
{
this.host = new DataServiceHost2Simulator();
var context = new DataServiceOperationContext(this.host);
this.dataServiceSimulator = new DataServiceSimulator { OperationContext = context };
var providerSimulator = new DataServiceProviderSimulator();
DataServiceStaticConfiguration staticConfiguration = new DataServiceStaticConfiguration(this.dataServiceSimulator.Instance.GetType(), providerSimulator);
IDataServiceProviderBehavior providerBehavior = DataServiceProviderBehavior.CustomDataServiceProviderBehavior;
var resourceType = new ResourceType(typeof(object), ResourceTypeKind.EntityType, null, "SelectTestNamespace", "Fake", false) { CanReflectOnInstanceType = false, IsOpenType = true };
resourceType.AddProperty(new ResourceProperty("Id", ResourcePropertyKind.Key | ResourcePropertyKind.Primitive, ResourceType.GetPrimitiveResourceType(typeof(int))) { CanReflectOnInstanceTypeProperty = false });
var resourceSet = new ResourceSet("FakeSet", resourceType);
resourceSet.SetReadOnly();
providerSimulator.AddResourceSet(resourceSet);
var configuration = new DataServiceConfiguration(providerSimulator);
configuration.SetEntitySetAccessRule("*", EntitySetRights.All);
var provider = new DataServiceProviderWrapper(
new DataServiceCacheItem(
configuration,
staticConfiguration),
providerSimulator,
providerSimulator,
this.dataServiceSimulator,
false);
this.dataServiceSimulator.ProcessingPipeline = new DataServiceProcessingPipeline();
this.dataServiceSimulator.Provider = provider;
provider.ProviderBehavior = providerBehavior;
this.dataServiceSimulator.Configuration = new DataServiceConfiguration(providerSimulator);
this.dataServiceSimulator.Configuration.DataServiceBehavior.MaxProtocolVersion = ODataProtocolVersion.V4;
this.responseMessageSimulator = new ODataResponseMessageSimulator();
}
private static DataServiceProviderWrapper CreateProvider(out DataServiceConfiguration config, out DataServiceOperationContext operationContext)
{
var baseUri = new Uri("http://localhost");
var host = new DataServiceHostSimulator()
{
AbsoluteServiceUri = baseUri,
AbsoluteRequestUri = new Uri(baseUri.AbsoluteUri + "/$metadata", UriKind.Absolute),
RequestHttpMethod = "GET",
RequestAccept = "application/xml+atom",
RequestVersion = "4.0",
RequestMaxVersion = "4.0",
};
operationContext = new DataServiceOperationContext(host);
var dataService = new DataServiceSimulator() { OperationContext = operationContext };
operationContext.InitializeAndCacheHeaders(dataService);
DataServiceProviderSimulator providerSimulator = new DataServiceProviderSimulator();
providerSimulator.ContainerNamespace = "MyModel";
providerSimulator.ContainerName = "CustomersContainer";
ResourceType customerEntityType = new ResourceType(
typeof(object), ResourceTypeKind.EntityType, null, "MyModel", "Customer", false)
{
CanReflectOnInstanceType = false
};
ResourcePropertyKind idPropertyKind = ResourcePropertyKind.Primitive | ResourcePropertyKind.Key;
ResourceProperty idProperty = new ResourceProperty(
"Id", idPropertyKind, ResourceType.GetPrimitiveResourceType(typeof(int)))
{
CanReflectOnInstanceTypeProperty = false
};
customerEntityType.AddProperty(idProperty);
ResourcePropertyKind firstNamePropertyKind = ResourcePropertyKind.Primitive | ResourcePropertyKind.Key;
ResourceProperty firstNameProperty = new ResourceProperty(
"FirstName", firstNamePropertyKind, ResourceType.GetPrimitiveResourceType(typeof(string)))
{
CanReflectOnInstanceTypeProperty = false
};
customerEntityType.AddProperty(firstNameProperty);
customerEntityType.SetReadOnly();
providerSimulator.AddResourceType(customerEntityType);
ResourceSet customerSet = new ResourceSet("Customers", customerEntityType);
customerSet.SetReadOnly();
providerSimulator.AddResourceSet(customerSet);
config = new DataServiceConfiguration(providerSimulator);
config.SetEntitySetAccessRule("*", EntitySetRights.All);
config.DataServiceBehavior.MaxProtocolVersion = ODataProtocolVersion.V4;
IDataServiceProviderBehavior providerBehavior = DataServiceProviderBehavior.CustomDataServiceProviderBehavior;
DataServiceStaticConfiguration staticConfig = new DataServiceStaticConfiguration(dataService.Instance.GetType(), providerSimulator);
DataServiceProviderWrapper provider = new DataServiceProviderWrapper(
new DataServiceCacheItem(config, staticConfig), providerSimulator, providerSimulator, dataService, false);
dataService.ProcessingPipeline = new DataServiceProcessingPipeline();
dataService.Provider = provider;
provider.ProviderBehavior = providerBehavior;
dataService.ActionProvider = DataServiceActionProviderWrapper.Create(dataService);
#if DEBUG
dataService.ProcessingPipeline.SkipDebugAssert = true;
#endif
operationContext.RequestMessage.InitializeRequestVersionHeaders(VersionUtil.ToVersion(config.DataServiceBehavior.MaxProtocolVersion));
return provider;
}
public void GetTargetSetTestsSetBindingTypeShouldPerformCorrectValidation()
{
ResourceType actorEntityType = new ResourceType(typeof(object), ResourceTypeKind.EntityType, null, "foo", "Actor", false) { CanReflectOnInstanceType = false };
ResourceProperty idProperty = new ResourceProperty("ID", ResourcePropertyKind.Primitive | ResourcePropertyKind.Key, ResourceType.GetPrimitiveResourceType(typeof(int))) { CanReflectOnInstanceTypeProperty = false };
actorEntityType.AddProperty(idProperty);
ResourceType addressComplexType = new ResourceType(typeof(object), ResourceTypeKind.ComplexType, null, "foo", "Address", false) { CanReflectOnInstanceType = false };
addressComplexType.AddProperty(new ResourceProperty("StreetAddress", ResourcePropertyKind.Primitive, ResourceType.GetPrimitiveResourceType(typeof(string))) { CanReflectOnInstanceTypeProperty = false });
addressComplexType.AddProperty(new ResourceProperty("ZipCode", ResourcePropertyKind.Primitive, ResourceType.GetPrimitiveResourceType(typeof(int))) { CanReflectOnInstanceTypeProperty = false });
actorEntityType.AddProperty(new ResourceProperty("PrimaryAddress", ResourcePropertyKind.ComplexType, addressComplexType) { CanReflectOnInstanceTypeProperty = false });
actorEntityType.AddProperty(new ResourceProperty("OtherAddresses", ResourcePropertyKind.Collection, ResourceType.GetCollectionResourceType(addressComplexType)) { CanReflectOnInstanceTypeProperty = false });
ResourceType movieEntityType = new ResourceType(typeof(object), ResourceTypeKind.EntityType, null, "foo", "Movie", false) { CanReflectOnInstanceType = false };
movieEntityType.AddProperty(idProperty);
ResourceProperty moviesNavProp = new ResourceProperty("Movies", ResourcePropertyKind.ResourceSetReference, movieEntityType) { CanReflectOnInstanceTypeProperty = false };
actorEntityType.AddProperty(moviesNavProp);
ResourceProperty actorsNavProp = new ResourceProperty("Actors", ResourcePropertyKind.ResourceSetReference, actorEntityType) { CanReflectOnInstanceTypeProperty = false };
movieEntityType.AddProperty(actorsNavProp);
ResourceType derivedActorEntityType = new ResourceType(typeof(object), ResourceTypeKind.EntityType, actorEntityType, "foo", "DerivedActor", false) { CanReflectOnInstanceType = false };
ResourceType derivedMovieEntityType = new ResourceType(typeof(object), ResourceTypeKind.EntityType, movieEntityType, "foo", "DerivedMovie", false) { CanReflectOnInstanceType = false };
actorEntityType.SetReadOnly();
derivedActorEntityType.SetReadOnly();
movieEntityType.SetReadOnly();
derivedMovieEntityType.SetReadOnly();
addressComplexType.SetReadOnly();
DataServiceProviderSimulator providerSimulator = new DataServiceProviderSimulator();
providerSimulator.AddResourceType(actorEntityType);
providerSimulator.AddResourceType(derivedActorEntityType);
providerSimulator.AddResourceType(movieEntityType);
providerSimulator.AddResourceType(derivedMovieEntityType);
providerSimulator.AddResourceType(addressComplexType);
ResourceSet actorSet = new ResourceSet("Actors", actorEntityType);
ResourceSet movieSet = new ResourceSet("Movies", movieEntityType);
actorSet.SetReadOnly();
movieSet.SetReadOnly();
providerSimulator.AddResourceSet(actorSet);
providerSimulator.AddResourceSet(movieSet);
providerSimulator.AddResourceAssociationSet(new ResourceAssociationSet("Actors_Movies", new ResourceAssociationSetEnd(actorSet, actorEntityType, moviesNavProp), new ResourceAssociationSetEnd(movieSet, movieEntityType, actorsNavProp)));
DataServiceConfiguration config = new DataServiceConfiguration(providerSimulator);
config.SetEntitySetAccessRule("*", EntitySetRights.All);
config.DataServiceBehavior.MaxProtocolVersion = ODataProtocolVersion.V4;
var dataService = new DataServiceSimulator()
{
OperationContext = new DataServiceOperationContext(new DataServiceHostSimulator())
};
dataService.ProcessingPipeline = new DataServiceProcessingPipeline();
DataServiceStaticConfiguration staticConfiguration = new DataServiceStaticConfiguration(dataService.Instance.GetType(), providerSimulator);
IDataServiceProviderBehavior providerBehavior = DataServiceProviderBehavior.CustomDataServiceProviderBehavior;
DataServiceProviderWrapper provider = new DataServiceProviderWrapper(
new DataServiceCacheItem(
config,
staticConfiguration),
providerSimulator,
providerSimulator,
dataService,
false);
dataService.Provider = provider;
provider.ProviderBehavior = providerBehavior;
var testCases = new[]
{
new
{
AppendParameterName = true,
Path = "",
BindingSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
TargetSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
ErrorMessage = default(string)
},
new
{
AppendParameterName = true,
Path = "/Movies",
BindingSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
TargetSet = ResourceSetWrapper.CreateResourceSetWrapper(movieSet, provider, set => set),
ErrorMessage = default(string)
},
new
{
AppendParameterName = true,
Path = "/Movies/Actors/Movies",
BindingSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
TargetSet = ResourceSetWrapper.CreateResourceSetWrapper(movieSet, provider, set => set),
ErrorMessage = default(string)
},
new
{
AppendParameterName = true,
Path = "/foo.DerivedActor/Movies/foo.DerivedMovie/Actors/foo.DerivedActor/Movies",
BindingSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
TargetSet = ResourceSetWrapper.CreateResourceSetWrapper(movieSet, provider, set => set),
ErrorMessage = default(string)
},
new
{
AppendParameterName = true,
Path = "/",
BindingSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
TargetSet = default(ResourceSetWrapper),
ErrorMessage = "The path expression '{0}/' is not a valid expression because it contains an empty segment or it ends with '/'."
},
new
{
AppendParameterName = true,
Path = "/Movies/",
BindingSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
TargetSet = default(ResourceSetWrapper),
ErrorMessage = "The path expression '{0}/Movies/' is not a valid expression because it contains an empty segment or it ends with '/'."
},
new
{
AppendParameterName = true,
Path = "/Movies//Actors",
BindingSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
TargetSet = ResourceSetWrapper.CreateResourceSetWrapper(movieSet, provider, set => set),
ErrorMessage = "The path expression '{0}/Movies//Actors' is not a valid expression because it contains an empty segment or it ends with '/'."
},
new
{
AppendParameterName = true,
Path = "/foo.DerivedActor",
BindingSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
TargetSet = default(ResourceSetWrapper),
ErrorMessage = "The path expression '{0}/foo.DerivedActor' is not a valid expression because it ends with the type identifier 'foo.DerivedActor'. A valid path expression must not end in a type identifier."
},
new
{
AppendParameterName = true,
Path = "/Movies/foo.DerivedMovie",
BindingSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
TargetSet = default(ResourceSetWrapper),
ErrorMessage = "The path expression '{0}/Movies/foo.DerivedMovie' is not a valid expression because it ends with the type identifier 'foo.DerivedMovie'. A valid path expression must not end in a type identifier."
},
new
{
AppendParameterName = true,
Path = "/Foo",
BindingSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
TargetSet = default(ResourceSetWrapper),
ErrorMessage = "The path expression '{0}/Foo' is not a valid expression because the segment 'Foo' is not a type identifier or a property on the resource type 'foo.Actor'."
},
new
{
AppendParameterName = true,
Path = "/ID",
BindingSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
TargetSet = default(ResourceSetWrapper),
ErrorMessage = "The path expression '{0}/ID' is not a valid expression because the segment 'ID' is a property of type 'Edm.Int32'. A valid path expression must only contain properties of entity type."
},
new
{
AppendParameterName = true,
Path = "/OtherAddresses",
BindingSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
TargetSet = default(ResourceSetWrapper),
ErrorMessage = "The path expression '{0}/OtherAddresses' is not a valid expression because the segment 'OtherAddresses' is a property of type 'Collection(foo.Address)'. A valid path expression must only contain properties of entity type."
},
new
{
AppendParameterName = true,
Path = "/Movies/Actors/PrimaryAddress",
BindingSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
TargetSet = default(ResourceSetWrapper),
ErrorMessage = "The path expression '{0}/Movies/Actors/PrimaryAddress' is not a valid expression because the segment 'PrimaryAddress' is a property of type 'foo.Address'. A valid path expression must only contain properties of entity type."
},
new
{
AppendParameterName = false,
Path = "foo",
BindingSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
TargetSet = default(ResourceSetWrapper),
ErrorMessage = "The path expression 'foo' is not a valid path expression. A valid path expression must start with the binding parameter name '{0}'."
},
new
{
AppendParameterName = false,
Path = "abc/pqr",
BindingSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
TargetSet = default(ResourceSetWrapper),
ErrorMessage = "The path expression 'abc/pqr' is not a valid path expression. A valid path expression must start with the binding parameter name '{0}'."
},
new
{
AppendParameterName = false,
Path = "actorParameter",
BindingSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
TargetSet = default(ResourceSetWrapper),
ErrorMessage = "The path expression 'actorParameter' is not a valid path expression. A valid path expression must start with the binding parameter name '{0}'."
},
new
{
AppendParameterName = false,
Path = "actorsParameter",
BindingSet = ResourceSetWrapper.CreateResourceSetWrapper(actorSet, provider, set => set),
TargetSet = default(ResourceSetWrapper),
ErrorMessage = "The path expression 'actorsParameter' is not a valid path expression. A valid path expression must start with the binding parameter name '{0}'."
},
};
ServiceActionParameter actorParameter = new ServiceActionParameter("actor", actorEntityType);
ServiceActionParameter actorsParameter = new ServiceActionParameter("actors", ResourceType.GetEntityCollectionResourceType(actorEntityType));
var parameters = new ServiceActionParameter[] { actorParameter, actorsParameter };
foreach (var parameter in parameters)
{
foreach (var testCase in testCases)
{
string pathString = testCase.AppendParameterName ? parameter.Name + testCase.Path : testCase.Path;
var path = new ResourceSetPathExpression(pathString);
Assert.AreEqual(pathString, path.PathExpression);
string expectedErrorMessage = testCase.ErrorMessage == null ? null : string.Format(testCase.ErrorMessage, parameter.Name);
try
{
path.SetBindingParameter(parameter);
path.InitializePathSegments(provider);
var targetSet = path.GetTargetSet(provider, testCase.BindingSet);
Assert.IsNull(expectedErrorMessage, "Expecting exception but received none.");
Assert.AreEqual(targetSet.Name, testCase.TargetSet.Name);
}
catch (InvalidOperationException e)
{
Assert.AreEqual(expectedErrorMessage, e.Message);
}
}
}
}
private static IEdmEntityType CreateModelAndGetEdmType(ResourceType resourceType)
{
var provider = new DataServiceProviderSimulator();
DataServiceSimulator dataService = new DataServiceSimulator();
DataServiceStaticConfiguration staticConfiguration = new DataServiceStaticConfiguration(dataService.Instance.GetType(), provider);
IDataServiceProviderBehavior providerBehavior = DataServiceProviderBehavior.CustomDataServiceProviderBehavior;
DataServiceProviderWrapper providerWrapper = new DataServiceProviderWrapper(
new DataServiceCacheItem(
new DataServiceConfiguration(provider),
staticConfiguration),
provider,
provider,
dataService,
false);
dataService.Provider = providerWrapper;
var model = new MetadataProviderEdmModel(providerWrapper, new DataServiceStreamProviderWrapper(dataService), DataServiceActionProviderWrapper.Create(dataService));
dataService.ProcessingPipeline = new DataServiceProcessingPipeline();
model.MetadataProvider.ProviderBehavior = providerBehavior;
var edmType = model.EnsureSchemaType(resourceType) as IEdmEntityType;
return edmType;
}
private static MetadataProviderEdmModel CreateMetadataProviderEdmModel(DataServiceProviderSimulator metadataProvider, IDataServiceActionProvider actionProvider = null)
{
var dataServiceSimulator = new DataServiceSimulatorWithGetService { OperationContext = new DataServiceOperationContext(false, new DataServiceHost2Simulator()), ProcessingPipeline = new DataServiceProcessingPipeline() };
dataServiceSimulator.OperationContext.InitializeAndCacheHeaders(dataServiceSimulator);
var dataServiceConfiguration = new DataServiceConfiguration(metadataProvider);
dataServiceConfiguration.SetEntitySetAccessRule("*", EntitySetRights.AllRead);
dataServiceConfiguration.SetServiceActionAccessRule("*", ServiceActionRights.Invoke);
dataServiceConfiguration.DataServiceBehavior.MaxProtocolVersion = ODataProtocolVersion.V4;
if (actionProvider != null)
{
dataServiceSimulator.Providers.Add(typeof(IDataServiceActionProvider), actionProvider);
}
DataServiceStaticConfiguration staticConfiguration = new DataServiceStaticConfiguration(dataServiceSimulator.Instance.GetType(), metadataProvider);
IDataServiceProviderBehavior providerBehavior = DataServiceProviderBehavior.CustomDataServiceProviderBehavior;
DataServiceProviderWrapper providerWrapper = new DataServiceProviderWrapper(
new DataServiceCacheItem(
dataServiceConfiguration,
staticConfiguration),
metadataProvider,
metadataProvider,
dataServiceSimulator,
false);
dataServiceSimulator.Provider = providerWrapper;
var model = new MetadataProviderEdmModel(providerWrapper, new DataServiceStreamProviderWrapper(dataServiceSimulator), DataServiceActionProviderWrapper.Create(dataServiceSimulator));
model.MetadataProvider.ProviderBehavior = providerBehavior;
return model;
}
private static DataServiceProviderWrapper CreateProviderWrapper(TestActionProvider actionProvider = null, Action<DataServiceProviderSimulator> addMetadata = null)
{
var provider = new DataServiceProviderSimulator();
if (addMetadata != null)
{
addMetadata(provider);
}
var dataService = new DataServiceSimulatorWithGetService();
dataService.Configuration = new DataServiceConfiguration(provider);
dataService.ProcessingPipeline = new DataServiceProcessingPipeline();
dataService.Configuration.SetServiceActionAccessRule("*", ServiceActionRights.Invoke);
dataService.Configuration.SetEntitySetAccessRule("*", EntitySetRights.All);
dataService.Configuration.SetServiceOperationAccessRule("*", ServiceOperationRights.All);
dataService.Configuration.DataServiceBehavior.MaxProtocolVersion = ODataProtocolVersion.V4;
dataService.OperationContext = new DataServiceOperationContext(false, new DataServiceHost2Simulator {AbsoluteRequestUri = new Uri("http://fake.org/$metadata") });
dataService.OperationContext.InitializeAndCacheHeaders(dataService);
DataServiceStaticConfiguration staticConfiguration = new DataServiceStaticConfiguration(dataService.Instance.GetType(), provider);
IDataServiceProviderBehavior providerBehavior = DataServiceProviderBehavior.CustomDataServiceProviderBehavior;
var providerWrapper = new DataServiceProviderWrapper(
new DataServiceCacheItem(
dataService.Configuration,
staticConfiguration),
provider,
provider,
dataService,
false);
dataService.Provider = providerWrapper;
providerWrapper.ProviderBehavior = providerBehavior;
dataService.ActionProvider = DataServiceActionProviderWrapper.Create(dataService);
if (actionProvider != null)
{
dataService.Providers.Add(typeof(IDataServiceActionProvider), actionProvider);
}
return providerWrapper;
}
private DataServiceProviderWrapper CreateProviderWrapper(DataServiceConfiguration config, bool hasReflectionOrEFProviderQueryBehavior)
{
IDataServiceMetadataProvider provider;
if (hasReflectionOrEFProviderQueryBehavior)
{
provider = new ReflectionDataServiceProvider(new object(), new object());
}
else
{
provider = new DataServiceProviderSimulator();
}
var dataService = new DataServiceSimulator();
DataServiceStaticConfiguration staticConfiguration = new DataServiceStaticConfiguration(dataService.Instance.GetType(), provider);
IDataServiceProviderBehavior providerBehavior = hasReflectionOrEFProviderQueryBehavior ? new DataServiceProviderBehavior(new ProviderBehavior(ProviderQueryBehaviorKind.ReflectionProviderQueryBehavior)) : DataServiceProviderBehavior.CustomDataServiceProviderBehavior;
var providerWrapper = new DataServiceProviderWrapper(
new DataServiceCacheItem(config, staticConfiguration),
provider,
(IDataServiceQueryProvider)provider,
dataService,
hasReflectionOrEFProviderQueryBehavior ? true : false);
dataService.ProcessingPipeline = new DataServiceProcessingPipeline();
dataService.Provider = providerWrapper;
typeof(DataServiceProviderWrapper).GetField("providerBehavior", BindingFlags.NonPublic | BindingFlags.Instance).SetValue(providerWrapper, providerBehavior);
#if DEBUG
dataService.ProcessingPipeline.SkipDebugAssert = true;
#endif
return providerWrapper;
}