/// <summary>
/// Creates the <see cref="ODataNestedResourceInfo"/> to be written while writing this entity.
/// </summary>
/// <param name="navigationProperty">The navigation property for which the navigation link is being created.</param>
/// <param name="resourceContext">The context for the entity instance being written.</param>
/// <returns>The navigation link to be written.</returns>
public virtual async Task <ODataNestedResourceInfo> CreateNavigationLinkAsync(IEdmNavigationProperty navigationProperty, ResourceContext resourceContext)
{
if (navigationProperty == null)
{
throw Error.ArgumentNull("navigationProperty");
}
if (resourceContext == null)
{
throw Error.ArgumentNull("resourceContext");
}
ODataSerializerContext writeContext = resourceContext.SerializerContext;
ODataNestedResourceInfo navigationLink = null;
if (writeContext.NavigationSource != null)
{
IEdmTypeReference propertyType = navigationProperty.Type;
IEdmModel model = writeContext.Model;
NavigationSourceLinkBuilderAnnotation linkBuilder = model.GetNavigationSourceLinkBuilder(writeContext.NavigationSource);
Uri navigationUrl = await linkBuilder.BuildNavigationLinkAsync(resourceContext, navigationProperty, writeContext.MetadataLevel);
navigationLink = new ODataNestedResourceInfo
{
IsCollection = propertyType.IsCollection(),
Name = navigationProperty.Name,
};
if (navigationUrl != null)
{
navigationLink.Url = navigationUrl;
}
}
return(navigationLink);
}