public static void SetNavigationSourceLinkBuilder(this IEdmModel model, IEdmNavigationSource navigationSource,
NavigationSourceLinkBuilderAnnotation navigationSourceLinkBuilder)
{
if (model == null)
{
throw Error.ArgumentNull("model");
}
model.SetAnnotationValue(navigationSource, navigationSourceLinkBuilder);
}
private static void AddNavigationBindings(NavigationSourceConfiguration configuration,
EdmNavigationSource navigationSource,
NavigationSourceLinkBuilderAnnotation linkBuilder,
ODataModelBuilder builder,
Dictionary<Type, IEdmType> edmTypeMap,
Dictionary<string, EdmNavigationSource> edmNavigationSourceMap)
{
foreach (EntityTypeConfiguration entityType in builder.ThisAndBaseAndDerivedTypes(configuration.EntityType))
{
foreach (NavigationPropertyConfiguration navigationProperty in entityType.NavigationProperties)
{
NavigationPropertyBindingConfiguration binding = configuration.FindBinding(navigationProperty);
bool isContained = navigationProperty.ContainsTarget;
if (binding != null || isContained)
{
EdmEntityType edmEntityType = edmTypeMap[entityType.ClrType] as EdmEntityType;
IEdmNavigationProperty edmNavigationProperty = edmEntityType.NavigationProperties()
.Single(np => np.Name == navigationProperty.Name);
if (!isContained)
{
navigationSource.AddNavigationTarget(
edmNavigationProperty,
edmNavigationSourceMap[binding.TargetNavigationSource.Name]);
}
NavigationLinkBuilder linkBuilderFunc = configuration.GetNavigationPropertyLink(navigationProperty);
if (linkBuilderFunc != null)
{
linkBuilder.AddNavigationPropertyLinkBuilder(edmNavigationProperty, linkBuilderFunc);
}
}
}
}
}
public static NavigationSourceLinkBuilderAnnotation GetNavigationSourceLinkBuilder(this IEdmModel model,
IEdmNavigationSource navigationSource)
{
if (model == null)
{
throw Error.ArgumentNull("model");
}
NavigationSourceLinkBuilderAnnotation annotation = model
.GetAnnotationValue<NavigationSourceLinkBuilderAnnotation>(navigationSource);
if (annotation == null)
{
// construct and set a navigation source link builder that follows OData URL conventions.
annotation = new NavigationSourceLinkBuilderAnnotation(navigationSource, model);
model.SetNavigationSourceLinkBuilder(navigationSource, annotation);
}
return annotation;
}
