/// <summary>
/// Writes a collection of instance annotations in ATOM format.
/// </summary>
/// <param name="instanceAnnotations">Instance annotation collection to write.</param>
/// <param name="tracker">The tracker to track which instance annotations have been written.</param>
internal void WriteInstanceAnnotations(IEnumerable <AtomInstanceAnnotation> instanceAnnotations, InstanceAnnotationWriteTracker tracker)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(instanceAnnotations != null, "instanceAnnotations should not be null if we called this");
Debug.Assert(tracker != null, "tracker should not be null if we called this");
HashSet <string> instanceAnnotationNames = new HashSet <string>(StringComparer.Ordinal);
foreach (var annotation in instanceAnnotations)
{
if (!instanceAnnotationNames.Add(annotation.TermName))
{
throw new ODataException(ODataErrorStrings.JsonLightInstanceAnnotationWriter_DuplicateAnnotationNameInCollection(annotation.TermName));
}
if (!tracker.IsAnnotationWritten(annotation.TermName))
{
this.WriteInstanceAnnotation(annotation);
tracker.MarkAnnotationWritten(annotation.TermName);
}
}
}