@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); } }