/**
* 使用redis保存principal，适用于集群版本
*
* @author Chen Hao
*/
@Service
public class RedisCachePrincipalService extends AbstractPrincipalService {
private static final Logger logger = LoggerFactory.getLogger(RedisCachePrincipalService.class);
private static final String FIELD_CLASS = "c";
private static final String FIELD_PRINCIPAL = "p";
private static final String FIELD_EXPIRES_IN = "ei";
// private static final String FIELD_LAST_TOUCH_TIME="ltt";
private static final String FIELD_UPDATE_ON_TOUCH = "uot";
@Autowired RedisOperator redisOperator;
Gson gson = Gsons.defaultGsonNoPrettify();
@Override
public Principal getPrincipal(final String ticket) {
List<String> res =
redisOperator.execute(
new JedisAction<List<String>>() {
@Override
public List<String> action(Jedis jedis) {
List<String> res =
jedis.hmget(
ticket,
FIELD_CLASS,
FIELD_PRINCIPAL,
FIELD_EXPIRES_IN,
FIELD_UPDATE_ON_TOUCH);
if (res == null || res.contains(null)) {
return null;
}
if (Boolean.valueOf(res.get(3))) {
long expire = Longs.tryParse(res.get(2));
jedis.expire(ticket, (int) (expire / 1000));
}
return res;
}
});
if (res != null) {
try {
Class<?> clazz = Class.forName(res.get(0));
return (Principal) gson.fromJson(res.get(1), clazz);
} catch (Exception e) {
logger.error("", e);
}
}
return null;
}
@Override
protected void saveHolder(final String ticket, final PrincipalHolder holder) {
redisOperator.execute(
new JedisActionNoResult() {
@Override
public void action(Jedis jedis) {
Map<String, String> map = Maps.newHashMapWithExpectedSize(3);
map.put(FIELD_CLASS, holder.principal.getClass().getCanonicalName());
map.put(FIELD_PRINCIPAL, gson.toJson(holder.principal));
map.put(FIELD_EXPIRES_IN, String.valueOf(holder.expiresIn));
map.put(FIELD_UPDATE_ON_TOUCH, String.valueOf(holder.updateOnTouch));
jedis.hmset(ticket, map);
jedis.expire(ticket, (int) (holder.expiresIn / 1000));
}
});
}
}
