private void EnsureUniqueIndex(IContainSagaData saga) { var sagaDataType = saga.GetType(); var uniqueProperty = UniqueAttribute.GetUniqueProperty(sagaDataType); if (uniqueProperty == null) { return; } var classmap = BsonClassMap.LookupClassMap(sagaDataType); var membermap = classmap.GetMemberMap(uniqueProperty.Name); var uniqueFieldName = membermap.ElementName; _repo.EnsureUniqueIndex(sagaDataType, uniqueFieldName); }