Map<String, GetField> fields = null;
byte[] source = null;
UidField.DocIdAndVersion docIdAndVersion = get.docIdAndVersion();
ResetFieldSelector fieldSelector = buildFieldSelectors(docMapper, gFields);
if (fieldSelector != null) {
fieldSelector.reset();
Document doc;
try {
doc = docIdAndVersion.reader.document(docIdAndVersion.docId, fieldSelector);
} catch (IOException e) {
throw new ElasticSearchException("Failed to get type [" + type + "] and id [" + id + "]", e);