@Override
public GetResult get(Get get, Function<String, Searcher> searcherFactory) throws EngineException {
try (ReleasableLock lock = readLock.acquire()) {
ensureOpen();
if (get.realtime()) {
VersionValue versionValue = versionMap.getUnderLock(get.uid().bytes());
if (versionValue != null) {
if (versionValue.delete()) {
return GetResult.NOT_EXISTS;
}
if (get.versionType().isVersionConflictForReads(versionValue.version(), get.version())) {
Uid uid = Uid.createUid(get.uid().text());
throw new VersionConflictEngineException(
shardId,
uid.type(),
uid.id(),
get.versionType().explainConflictForReads(versionValue.version(), get.version()));
}
Translog.Operation op = translog.read(versionValue.translogLocation());
if (op != null) {
return new GetResult(true, versionValue.version(), op.getSource());
}
}
}
// no version, get the version from the index, we know that we refresh on flush
return getFromSearcher(get, searcherFactory);
}
}
@Override
public void collect(int doc) {
try {
FieldsVisitor fieldsVisitor = new FieldsVisitor(false);
context.reader().document(doc, fieldsVisitor);
Uid uid = fieldsVisitor.uid();
final long version =
Versions.loadVersion(context.reader(), new Term(UidFieldMapper.NAME, uid.toBytesRef()));
docsToPurge.add(new DocToPurge(uid.type(), uid.id(), version, fieldsVisitor.routing()));
} catch (Exception e) {
logger.trace("failed to collect doc", e);
}
}
public void postProcess(MapperService mapperService) {
if (uid != null) {
DocumentMapper documentMapper = mapperService.documentMapper(uid.type());
if (documentMapper != null) {
// we can derive the exact type for the mapping
postProcess(documentMapper);
return;
}
}
// can't derive exact mapping type
for (Map.Entry<String, List<Object>> entry : fields().entrySet()) {
FieldMappers fieldMappers = mapperService.indexName(entry.getKey());
if (fieldMappers == null) {
continue;
}
List<Object> fieldValues = entry.getValue();
for (int i = 0; i < fieldValues.size(); i++) {
fieldValues.set(i, fieldMappers.mapper().valueForSearch(fieldValues.get(i)));
}
}
}
