internal static Uri GenerateFunctionLink(this ResourceSetContext feedContext, string bindingParameterType,
string functionName, IEnumerable <string> parameterNames)
{
Contract.Assert(feedContext != null);
if (feedContext.EntitySetBase is IEdmContainedEntitySet)
{
return(null);
}
if (feedContext.EdmModel == null)
{
return(null);
}
IEdmModel model = feedContext.EdmModel;
string elementType = DeserializationHelpers.GetCollectionElementTypeName(bindingParameterType,
isNested: false);
Contract.Assert(elementType != null);
IEdmTypeReference typeReference = model.FindDeclaredType(elementType).ToEdmTypeReference(true);
IEdmTypeReference collection = new EdmCollectionTypeReference(new EdmCollectionType(typeReference));
IEdmOperation operation = model.FindDeclaredOperations(functionName).First();
return(feedContext.GenerateFunctionLink(collection, operation, parameterNames));
}
public void GetCollectionElementTypeName_ThrowsODataException_NestedCollection()
{
// Arrange & Act & Assert
ExceptionAssert.Throws <ODataException>(
() => DeserializationHelpers.GetCollectionElementTypeName("Collection(Edm.Int32)", true),
"The type 'Collection(Edm.Int32)' is a nested collection type. Nested collection types are not allowed.");
}
internal static Uri GenerateActionLink(this FeedContext feedContext, string bindingParameterType,
string actionName)
{
Contract.Assert(feedContext != null);
if (feedContext.EntitySetBase is IEdmContainedEntitySet)
{
return(null);
}
IList <ODataPathSegment> actionPathSegments = new List <ODataPathSegment>();
feedContext.GenerateBaseODataPathSegmentsForFeed(actionPathSegments);
// generate link with cast if the navigation source doesn't match the type the action is bound to.
if (feedContext.EntitySetBase.Type.FullTypeName() != bindingParameterType)
{
string elementType = DeserializationHelpers.GetCollectionElementTypeName(bindingParameterType, isNested: false);
Contract.Assert(elementType != null);
actionPathSegments.Add(new CastPathSegment(elementType));
}
actionPathSegments.Add(new BoundActionPathSegment(actionName));
string actionLink = feedContext.Url.CreateODataLink(actionPathSegments);
return(actionLink == null ? null : new Uri(actionLink));
}
internal static Uri GenerateFunctionLink(this FeedContext feedContext, string bindingParameterType,
string functionName, IEnumerable <string> parameterNames)
{
Contract.Assert(feedContext != null);
if (feedContext.EntitySetBase is IEdmContainedEntitySet)
{
return(null);
}
IList <ODataPathSegment> functionPathSegments = new List <ODataPathSegment>();
feedContext.GenerateBaseODataPathSegmentsForFeed(functionPathSegments);
// generate link with cast if the navigation source type doesn't match the entity type the function is bound to.
if (feedContext.EntitySetBase.Type.FullTypeName() != bindingParameterType)
{
string elementType = DeserializationHelpers.GetCollectionElementTypeName(bindingParameterType, isNested: false);
Contract.Assert(elementType != null);
functionPathSegments.Add(new CastPathSegment(elementType));
}
Dictionary <string, string> parametersDictionary = new Dictionary <string, string>();
// skip the binding parameter
foreach (string param in parameterNames.Skip(1))
{
parametersDictionary.Add(param, "@" + param);
}
functionPathSegments.Add(new BoundFunctionPathSegment(functionName, parametersDictionary));
string functionLink = feedContext.Url.CreateODataLink(functionPathSegments);
return(functionLink == null ? null : new Uri(functionLink));
}
