private void saveChildren(int catId, String... children) {
byte[] key = (prefix + "id2cids").getBytes(ENCODING);
byte[] hkey = NumberUtils.int2Bytes(catId);
byte[] value = jedis.hget(key, hkey);
Set<Integer> ids = NumberUtils.bytes2IntSet(value);
boolean changed = false;
for (String c : children) {
if (nameExist(c)) {
try {
ids.add(getIdByName(c));
changed = true;
} catch (MissedException e) {
e.printStackTrace();
}
}
}
if (changed) jedis.hset(key, hkey, NumberUtils.intSet2Bytes(ids));
}
