private BulkWriteResult <TDocument> ExecuteHelper(IClientSessionHandle session, WriteConcern writeConcern)
{
if (_hasBeenExecuted)
{
throw new InvalidOperationException("The bulk write operation has already been executed.");
}
_hasBeenExecuted = true;
var collectionSettings = _collection.Settings;
var messageEncoderSettings = _collection.GetMessageEncoderSettings();
IEnumerable <WriteRequest> requests = _requests;
if (_collection.Settings.AssignIdOnInsert)
{
requests = _requests.Select(x =>
{
var insertRequest = x as InsertRequest;
if (insertRequest != null)
{
object document = insertRequest.Document;
IBsonSerializer serializer = BsonDocumentSerializer.Instance;
var wrapped = insertRequest.Document as BsonDocumentWrapper;
while (wrapped != null)
{
document = wrapped.Wrapped;
serializer = wrapped.Serializer;
wrapped = document as BsonDocumentWrapper;
}
_collection.AssignId(document, serializer);
}
return(x);
});
}
var operation = new BulkMixedWriteOperation(new CollectionNamespace(_collection.Database.Name, _collection.Name), requests, messageEncoderSettings)
{
BypassDocumentValidation = _bypassDocumentValidation,
IsOrdered = _isOrdered,
RetryRequested = _collection.Database.Server.Settings.RetryWrites,
WriteConcern = writeConcern
};
try
{
var result = _collection.ExecuteWriteOperation(session, operation);
return(BulkWriteResult <TDocument> .FromCore(result));
}
catch (MongoBulkWriteOperationException ex)
{
throw MongoBulkWriteException <TDocument> .FromCore(ex);
}
}
