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;
}
private static void AddNavigationBindings(EntitySetConfiguration configuration, EdmEntitySet entitySet, EntitySetLinkBuilderAnnotation linkBuilder, ODataModelBuilder builder,
Dictionary<Type, IEdmStructuredType> edmTypeMap, Dictionary<string, EdmEntitySet> edmEntitySetMap)
{
foreach (EntityTypeConfiguration entity in builder.ThisAndBaseAndDerivedTypes(configuration.EntityType))
{
foreach (NavigationPropertyConfiguration navigation in entity.NavigationProperties)
{
NavigationPropertyBinding binding = configuration.FindBinding(navigation);
if (binding != null)
{
EdmEntityType edmEntityType = edmTypeMap[entity.ClrType] as EdmEntityType;
IEdmNavigationProperty edmNavigationProperty = edmEntityType.NavigationProperties().Single(np => np.Name == navigation.Name);
entitySet.AddNavigationTarget(edmNavigationProperty, edmEntitySetMap[binding.EntitySet.Name]);
Func<EntityInstanceContext, IEdmNavigationProperty, Uri> linkBuilderFunc = configuration.GetNavigationPropertyLink(navigation);
if (linkBuilderFunc != null)
{
linkBuilder.AddNavigationPropertyLinkBuilder(edmNavigationProperty, linkBuilderFunc);
}
}
}
}
}
