C# IEdmType.IsOpenType方法代码示例

        /// <summary>
        /// Returns the type of the property on the specified type.
        /// </summary>
        /// <param name="type">The type to look for the property on.</param>
        /// <param name="propertyName">The name of the property to look for.</param>
        /// <returns>The type of the property specified.</returns>
        private static IEdmTypeReference GetPropertyType(IEdmType type, string propertyName)
        {
            Debug.Assert(propertyName != null, "propertyName != null");

            IEdmStructuredType structuredType = type as IEdmStructuredType;
            IEdmProperty property = structuredType == null ? null : structuredType.FindProperty(propertyName);

            if (property != null)
            {
                IEdmTypeReference propertyType = property.Type;
                if (propertyType.IsNonEntityODataCollectionTypeKind())
                {
                    throw new ODataException(o.Strings.EpmSourceTree_CollectionPropertyCannotBeMapped(propertyName, type.ODataFullName()));
                }
                
                if (propertyType.IsStream())
                {
                    throw new ODataException(o.Strings.EpmSourceTree_StreamPropertyCannotBeMapped(propertyName, type.ODataFullName()));
                }
                
                if (propertyType.IsSpatial())
                {
                    throw new ODataException(o.Strings.EpmSourceTree_SpatialTypeCannotBeMapped(propertyName, type.ODataFullName()));
                }
                
                return property.Type;
            }

            if (type != null && !type.IsOpenType())
            {
                throw new ODataException(o.Strings.EpmSourceTree_MissingPropertyOnType(propertyName, type.ODataFullName()));
            }

            return null;
        }

        internal static bool ResolveOperationFromList(string identifier, IEnumerable<string> parameterNames, IEdmType bindingType, IEdmModel model, out IEdmOperation matchingOperation, ODataUriResolver resolver)
        {
            // TODO: update code that is duplicate between operation and operation import, add more tests.
            // If the previous segment is an open type, the service action name is required to be fully qualified or else we always treat it as an open property name.
            if (bindingType != null)
            {
                // TODO: look up actual container names here?
                if (bindingType.IsOpenType() && !identifier.Contains("."))
                {
                    matchingOperation = null;
                    return false;
                }
            }

            IList<IEdmOperation> candidateMatchingOperations = null;

            // The extension method FindBoundOperations & FindOperations call IEdmModel.FindDeclaredBoundOperations which can be implemented by anyone and it could throw any type of exception
            // so catching all of them and simply putting it in the inner exception.
            try
            {
                if (bindingType != null)
                {
                    candidateMatchingOperations = resolver.ResolveBoundOperations(model, identifier, bindingType).ToList();
                }
                else
                {
                    candidateMatchingOperations = resolver.ResolveUnboundOperations(model, identifier).ToList();
                }
            }
            catch (Exception exc)
            {
                if (ExceptionUtils.IsCatchableExceptionType(exc))
                {
                    throw new ODataException(ODataErrorStrings.FunctionOverloadResolver_FoundInvalidOperation(identifier), exc);
                }

                throw;
            }

            IList<IEdmAction> foundActionsWhenLookingForFunctions = new List<IEdmAction>();
            int parameterNamesCount = parameterNames.Count();

            if (bindingType != null)
            {
                candidateMatchingOperations = candidateMatchingOperations.EnsureOperationsBoundWithBindingParameter().ToList();
            }

            // If the number of parameters > 0 then this has to be a function as actions can't have parameters on the uri only in the payload. Filter further by parameters in this case, otherwise don't.
            if (parameterNamesCount > 0)
            {
                // can only be a function as only functions have parameters on the uri.
                candidateMatchingOperations = candidateMatchingOperations.RemoveActions(out foundActionsWhenLookingForFunctions).FilterFunctionsByParameterNames(parameterNames, resolver.EnableCaseInsensitive).Cast<IEdmOperation>().ToList();
            }
            else if (bindingType != null)
            {
                // Filter out functions with more than one parameter. Actions should not be filtered as the parameters are in the payload not the uri
                candidateMatchingOperations = candidateMatchingOperations.Where(o => (o.IsFunction() && o.Parameters.Count() == 1) || o.IsAction()).ToList();
            }
            else
            {
                // Filter out functions with any parameters
                candidateMatchingOperations = candidateMatchingOperations.Where(o => (o.IsFunction() && !o.Parameters.Any()) || o.IsAction()).ToList();
            }

            // Only filter if there is more than one and its needed.
            if (candidateMatchingOperations.Count > 1)
            {
                candidateMatchingOperations = candidateMatchingOperations.FilterBoundOperationsWithSameTypeHierarchyToTypeClosestToBindingType(bindingType).ToList();
            }

            // If any of the things returned are an action, it better be the only thing returned, and there can't be parameters in the URL
            if (candidateMatchingOperations.Any(f => f.IsAction()))
            {
                if (candidateMatchingOperations.Count > 1)
                {
                    if (candidateMatchingOperations.Any(o => o.IsFunction()))
                    {
                        throw new ODataException(ODataErrorStrings.FunctionOverloadResolver_MultipleOperationOverloads(identifier));
                    }
                    else
                    {
                        throw new ODataException(ODataErrorStrings.FunctionOverloadResolver_MultipleActionOverloads(identifier));
                    }
                }

                if (parameterNames.Count() != 0)
                {
                    throw ExceptionUtil.CreateBadRequestError(ODataErrorStrings.RequestUriProcessor_SegmentDoesNotSupportKeyPredicates(identifier));
                }

                matchingOperation = candidateMatchingOperations.Single();
                return true;
            }

            if (foundActionsWhenLookingForFunctions.Count > 0)
            {
                throw ExceptionUtil.CreateBadRequestError(ODataErrorStrings.RequestUriProcessor_SegmentDoesNotSupportKeyPredicates(identifier));
            }

            if (candidateMatchingOperations.Count > 1)
//.........这里部分代码省略.........

 private static IEdmTypeReference GetPropertyType(IEdmType type, string propertyName)
 {
     IEdmStructuredType type2 = type as IEdmStructuredType;
     IEdmProperty property = (type2 == null) ? null : type2.FindProperty(propertyName);
     if (property != null)
     {
         IEdmTypeReference typeReference = property.Type;
         if (typeReference.IsNonEntityODataCollectionTypeKind())
         {
             throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_CollectionPropertyCannotBeMapped(propertyName, type.ODataFullName()));
         }
         if (typeReference.IsStream())
         {
             throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_StreamPropertyCannotBeMapped(propertyName, type.ODataFullName()));
         }
         if (typeReference.IsSpatial())
         {
             throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_SpatialTypeCannotBeMapped(propertyName, type.ODataFullName()));
         }
         return property.Type;
     }
     if ((type != null) && !type.IsOpenType())
     {
         throw new ODataException(Microsoft.Data.OData.Strings.EpmSourceTree_MissingPropertyOnType(propertyName, type.ODataFullName()));
     }
     return null;
 }