if (!(dns.getDocumentStore() instanceof MongoDocumentStore)) {
System.err.println("Recovery only available for MongoDocumentStore");
System.exit(1);
}
MongoDocumentStore docStore = (MongoDocumentStore) dns.getDocumentStore();
LastRevRecoveryAgent agent = new LastRevRecoveryAgent(dns);
MongoMissingLastRevSeeker seeker = new MongoMissingLastRevSeeker(docStore);
CloseableIterable<NodeDocument> docs = seeker.getCandidates(0);
closer.register(docs);
boolean dryRun = Arrays.asList(args).contains("dryRun");
agent.recover(docs.iterator(), dns.getClusterId(), dryRun);
} catch (Throwable e) {
throw closer.rethrow(e);
} finally {
closer.close();
}