}
MapperService mapperService = documentIndexService.mapperService();
Tuple<DocumentMapper, Boolean> docMapper = mapperService.documentMapperWithAutoCreate(request.documentType());
doc = docMapper.v1().parse(source(parser).type(request.documentType()).flyweight(true)).setMappingsModified(docMapper);
if (doc.mappingsModified()) {
mappingUpdatedAction.updateMappingOnMaster(request.shardId().getIndex(), docMapper.v1(), documentIndexService.indexUUID());
}
// the document parsing exists the "doc" object, so we need to set the new current field.
currentFieldName = parser.currentName();
}