@Override
public Long getMtime(Coll<?> coll, String id) {
DBCollection dbcoll = fixColl(coll);
BasicDBObject found =
(BasicDBObject) dbcoll.findOne(new BasicDBObject(ID_FIELD, id), dboKeysMtime);
if (found == null) return null;
if (!found.containsField(MTIME_FIELD))
return null; // This should not happen! But better to ignore than crash?
return found.getLong(MTIME_FIELD);
}
@Override
public Entry<JsonElement, Long> load(Coll<?> coll, String id) {
DBCollection dbcoll = fixColl(coll);
BasicDBObject raw = (BasicDBObject) dbcoll.findOne(new BasicDBObject(ID_FIELD, id));
if (raw == null) return null;
Long mtime = ((Number) raw.removeField(MTIME_FIELD)).longValue();
raw.removeField(ID_FIELD);
JsonElement element = GsonMongoConverter.mongo2GsonObject(raw);
return new SimpleEntry<JsonElement, Long>(element, mtime);
}