private static EdmModel CreateCustomerProductsModel()
        {
            var model = new EdmModel();

            var container = new EdmEntityContainer("defaultNamespace", "DefaultContainer");
            model.AddElement(container);

            var productType = new EdmEntityType("defaultNamespace", "Product");
            model.AddElement(productType);

            var customerType = new EdmEntityType("defaultNamespace", "Customer");
            customerType.AddUnidirectionalNavigation(new EdmNavigationPropertyInfo() { Name = "Products", Target = productType, TargetMultiplicity = EdmMultiplicity.Many });
            productType.AddUnidirectionalNavigation(new EdmNavigationPropertyInfo() { Name = "Customers", Target = customerType, TargetMultiplicity = EdmMultiplicity.Many });

            model.AddElement(customerType);

            var productSet = new EdmEntitySet(
                container,
                "Products",
                productType);

            container.AddElement(productSet);

            var customerSet = new EdmEntitySet(
                container,
                "Customers",
                customerType);

            var productsNavProp = customerType.NavigationProperties().Single(np => np.Name == "Products");
            customerSet.AddNavigationTarget(productsNavProp, productSet);
            container.AddElement(customerSet);

            return model;
        }
        public static IEdmModel SimpleCustomerOrderModel()
        {
            var model = new EdmModel();
            var customerType = new EdmEntityType("Default", "Customer");
            customerType.AddStructuralProperty("ID", EdmPrimitiveTypeKind.Int32);
            customerType.AddStructuralProperty("FirstName", EdmPrimitiveTypeKind.String);
            customerType.AddStructuralProperty("LastName", EdmPrimitiveTypeKind.String);
            IEdmTypeReference primitiveTypeReference = EdmCoreModel.Instance
                .GetPrimitive(EdmPrimitiveTypeKind.String, isNullable: true);
            customerType.AddStructuralProperty("City", primitiveTypeReference, defaultValue: null,
                concurrencyMode: EdmConcurrencyMode.Fixed);
            model.AddElement(customerType);

            var orderType = new EdmEntityType("Default", "Order");
            orderType.AddStructuralProperty("ID", EdmPrimitiveTypeKind.Int32);
            orderType.AddStructuralProperty("Name", EdmPrimitiveTypeKind.String);
            orderType.AddStructuralProperty("Shipment", EdmPrimitiveTypeKind.String);
            model.AddElement(orderType);

            var addressType = new EdmComplexType("Default", "Address");
            addressType.AddStructuralProperty("Street", EdmPrimitiveTypeKind.String);
            addressType.AddStructuralProperty("City", EdmPrimitiveTypeKind.String);
            addressType.AddStructuralProperty("State", EdmPrimitiveTypeKind.String);
            addressType.AddStructuralProperty("Country", EdmPrimitiveTypeKind.String);
            addressType.AddStructuralProperty("ZipCode", EdmPrimitiveTypeKind.String);
            model.AddElement(addressType);

            // Add navigations
            customerType.AddUnidirectionalNavigation(new EdmNavigationPropertyInfo()
            {
                Name = "Orders",
                Target = orderType,
                TargetMultiplicity = EdmMultiplicity.Many
            });
            orderType.AddUnidirectionalNavigation(new EdmNavigationPropertyInfo()
            {
                Name = "Customer",
                Target = customerType,
                TargetMultiplicity = EdmMultiplicity.One
            });

            var container = new EdmEntityContainer("Default", "Container");
            var customerSet = container.AddEntitySet("Customers", customerType);
            var orderSet = container.AddEntitySet("Orders", orderType);
            customerSet.AddNavigationTarget(customerType.NavigationProperties().Single(np => np.Name == "Orders"), orderSet);
            orderSet.AddNavigationTarget(orderType.NavigationProperties().Single(np => np.Name == "Customer"), customerSet);

            EntitySetLinkBuilderAnnotation linkAnnotation = new MockEntitySetLinkBuilderAnnotation();
            model.SetEntitySetLinkBuilder(customerSet, linkAnnotation);
            model.SetEntitySetLinkBuilder(orderSet, linkAnnotation);

            model.AddElement(container);
            return model;
        }
        public static IEdmModel SimpleCustomerOrderModel()
        {
            var model = new EdmModel();
            var customerType = new EdmEntityType("Default", "Customer");
            customerType.AddStructuralProperty("ID", EdmPrimitiveTypeKind.Int32);
            customerType.AddStructuralProperty("FirstName", EdmPrimitiveTypeKind.String);
            customerType.AddStructuralProperty("LastName", EdmPrimitiveTypeKind.String);
            model.AddElement(customerType);

            var orderType = new EdmEntityType("Default", "Order");
            orderType.AddStructuralProperty("ID", EdmPrimitiveTypeKind.Int32);
            orderType.AddStructuralProperty("Name", EdmPrimitiveTypeKind.String);
            model.AddElement(orderType);

            var addressType = new EdmComplexType("Default", "Address");
            addressType.AddStructuralProperty("Street", EdmPrimitiveTypeKind.String);
            addressType.AddStructuralProperty("City", EdmPrimitiveTypeKind.String);
            addressType.AddStructuralProperty("State", EdmPrimitiveTypeKind.String);
            addressType.AddStructuralProperty("Country", EdmPrimitiveTypeKind.String);
            addressType.AddStructuralProperty("ZipCode", EdmPrimitiveTypeKind.String);
            model.AddElement(addressType);

            // Add navigations
            customerType.AddUnidirectionalNavigation(new EdmNavigationPropertyInfo() { Name = "Orders", Target = orderType, TargetMultiplicity = EdmMultiplicity.Many });
            orderType.AddUnidirectionalNavigation(new EdmNavigationPropertyInfo() { Name = "Customer", Target = customerType, TargetMultiplicity = EdmMultiplicity.One });

            var container = new EdmEntityContainer("Default", "Container");
            var customerSet = container.AddEntitySet("Customers", customerType);
            var orderSet = container.AddEntitySet("Orders", orderType);
            customerSet.AddNavigationTarget(customerType.NavigationProperties().Single(np => np.Name == "Orders"), orderSet);
            orderSet.AddNavigationTarget(orderType.NavigationProperties().Single(np => np.Name == "Customer"), customerSet);

            Mock<IEntitySetLinkBuilder> linkAnnotation = new Mock<IEntitySetLinkBuilder>();
            model.SetEntitySetLinkBuilderAnnotation(customerSet, linkAnnotation.Object);
            model.SetEntitySetLinkBuilderAnnotation(orderSet, linkAnnotation.Object);

            model.AddElement(container);
            return model;
        }
        private static IEdmModel CreateModel()
        {
            var model = new EdmModel();

            var orderType = new EdmEntityType("Default", "Order");
            orderType.AddStructuralProperty("ID", EdmPrimitiveTypeKind.Int32);
            model.AddElement(orderType);

            var customerType = new EdmEntityType("Default", "Customer");
            customerType.AddStructuralProperty("ID", EdmPrimitiveTypeKind.Int32);
            model.AddElement(customerType);

            // Add navigations
            orderType.AddUnidirectionalNavigation(new EdmNavigationPropertyInfo()
            {
                Name = "Customer",
                Target = customerType,
                TargetMultiplicity = EdmMultiplicity.One
            });

            var container = new EdmEntityContainer("Default", "Container");
            var orderSet = container.AddEntitySet("Orders", orderType);
            var customerSet = container.AddEntitySet("Customers", customerType);

            container.AddFunctionImport("GetId", new EdmPrimitiveTypeReference(
                EdmCoreModel.Instance.GetPrimitiveType(EdmPrimitiveTypeKind.Int32), true));

            orderSet.AddNavigationTarget(orderType.NavigationProperties().Single(np => np.Name == "Customer"),
                customerSet);

            model.AddElement(container);
            return model;
        }