public override int HandleMap(IndexItem indexItem, IEnumerable mapResults, IndexWriteOperation writer, TransactionOperationContext indexContext, IndexingStatsScope stats)
{
if (_enumerationWrappers.TryGetValue(CurrentIndexingScope.Current.SourceCollection, out AnonymousObjectToBlittableMapResultsEnumerableWrapper wrapper) == false)
{
_enumerationWrappers[CurrentIndexingScope.Current.SourceCollection] = wrapper = new AnonymousObjectToBlittableMapResultsEnumerableWrapper(this, indexContext);
}
wrapper.InitializeForEnumeration(mapResults, indexContext, stats);
return(PutMapResults(indexItem.LowerId, indexItem.Id, wrapper, indexContext, stats));
}