private boolean _handleSpecialObjects(String name, DBObject o) {
if (o == null) return false;
if (o instanceof DBCollection) {
DBCollection c = (DBCollection) o;
putDBPointer(name, c.getName(), Bytes.COLLECTION_REF_ID);
return true;
}
if (!_dontRefContains(o) && name != null && o instanceof DBPointer) {
DBPointer r = (DBPointer) o;
putDBPointer(name, r._ns, (ObjectId) r._id);
return true;
}
if (!(o instanceof List) && o.get(Bytes.NO_REF_HACK) != null) {
o.removeField(Bytes.NO_REF_HACK);
return false;
}
if (!_dontRefContains(o) && name != null && !(o instanceof List) && cameFromDB(o)) {
putDBPointer(name, o.get("_ns").toString(), (ObjectId) (o.get("_id")));
return true;
}
return false;
}
DBObject isMasterCmd() {
DBCollection collection = _mongo.getDB("admin").getCollection("$cmd");
Iterator<DBObject> i = collection.__find(_isMaster, null, 0, 1, 0);
if (i == null || !i.hasNext()) throw new MongoException("no result for ismaster query?");
DBObject res = i.next();
if (i.hasNext()) throw new MongoException("what's going on");
return res;
}