private void WriteNavigationLink(ODataWriter writer, Lazy<ODataReader> lazyReader, ODataNavigationLink link)
{
this.WriteStart(writer, link);
var expanded = link.GetAnnotation<ODataNavigationLinkExpandedItemObjectModelAnnotation>();
if (expanded != null)
{
var feed = expanded.ExpandedItem as ODataFeed;
if (feed != null)
{
this.WriteFeed(writer, lazyReader, feed);
}
else
{
ODataEntry entry = expanded.ExpandedItem as ODataEntry;
if (entry != null || expanded.ExpandedItem == null)
{
this.WriteEntry(writer, lazyReader, entry);
}
else
{
ExceptionUtilities.Assert(expanded.ExpandedItem is ODataEntityReferenceLink, "Content of a nav. link can only be a feed, entry or entity reference link.");
writer.WriteEntityReferenceLink((ODataEntityReferenceLink)expanded.ExpandedItem);
}
}
}
this.WriteEnd(writer, ODataReaderState.NavigationLinkEnd);
this.Read(lazyReader);
}