@Override
public boolean isOnlyMaster(NodeId nodeId) {
BasicDBObject query = new BasicDBObject();
query.put("type", NodeImpl.Type.SERVER.toString());
query.put("last_seen", new BasicDBObject("$gte", Tools.getUTCTimestamp() - pingTimeout));
query.put("node_id", new BasicDBObject("$ne", nodeId.toString()));
query.put("is_master", true);
return query(NodeImpl.class, query).size() == 0;
}
@Override
public Node byNodeId(NodeId nodeId) throws NodeNotFoundException {
return byNodeId(nodeId.toString());
}