/// <summary>
/// Get a BsonValue and GUID for the object referenced by a Reference or Owning field.
/// The GUID will be returned by adding it to a list passed in by reference, so that
/// ReferenceCollection, OwningSequence, and similar fields will be easy to process.
/// Note that we guarantee that a GUID will always be added to the list, even if this function
/// returns null for the object's data. That way Select(hvo => GetCustomReferencedObject(hvo, flid, ref myGuidList))
/// will always return the same number of items as the number of GUIDs in myGuidList.
/// </summary>
/// <returns>The custom referenced object's data converted to a BsonValue.</returns>
/// <param name="hvo">Hvo of referenced object.</param>
/// <param name="flid">Flid of referring field (required to get correct writing system for an StText).</param>
/// <param name="listConverters">Dictionary of ConvertLcmToMongoOptionList instances, keyed by list code</param>
/// <param name="referencedObjectGuids">List to which referenced object's GUID will be added.</param>
private BsonValue GetCustomReferencedObject(int hvo, int flid,
IDictionary <string, ConvertLcmToMongoOptionList> listConverters,
ref List <Guid> referencedObjectGuids)
{
ISilDataAccessManaged data = (ISilDataAccessManaged)cache.DomainDataByFlid;
if (hvo == 0 || !data.get_IsValidObject(hvo))
{
referencedObjectGuids.Add(Guid.Empty);
return(null);
}
ICmObject referencedObject = cache.GetAtomicPropObject(hvo);
if (referencedObject == null)
{
referencedObjectGuids.Add(Guid.Empty);
return(null);
}
referencedObjectGuids.Add(referencedObject.Guid);
if (referencedObject is IStText)
{
return(ConvertUtilities.GetCustomStTextValues((IStText)referencedObject, flid,
servLoc.WritingSystemManager, LcmMetaData, cache.DefaultUserWs));
}
else if (referencedObject is ICmPossibility)
{
//return GetCustomListValues((ICmPossibility)referencedObject, flid);
string listCode = GetParentListCode(flid);
return(new BsonString(listConverters[listCode].LfItemKeyString((ICmPossibility)referencedObject, _wsEn)));
}
else
{
return(null);
}
}