java序列化对象存储在redis中

public class SerializeUtil {
    // 序列化
    public static byte[] serialize(Object object) {

        ObjectOutputStream oos = null;
        ByteArrayOutputStream baos = null;
        byte[] bytes = null;
        try {
            baos = new ByteArrayOutputStream();
            oos = new ObjectOutputStream(baos);
            oos.writeObject(object);
            bytes = baos.toByteArray();
        } catch (Exception e) {
            System.err.println("序列化失败" + e.getMessage());
        }
        return bytes;
    }

    // 反序列化
    public static Object deserialize(byte[] bytes) throws IOException, ClassNotFoundException {

        ByteArrayInputStream bais = null;
        ObjectInputStream ois = null;
        try {
            bais = new ByteArrayInputStream(bytes);
            ois = new ObjectInputStream(bais);
        } catch (Exception e) {
            System.err.println("反序列化失败" + e.getMessage());
        }
        return ois.readObject();
    }
}
String id=map.get("id").toString();
        System.out.println(Thread.currentThread().getName());
        Jedis jedis = TaskAppThread.getJedis("default");
        if(jedis.get(id.getBytes())!=null){
            byte[] bytes = jedis.get(id.getBytes());
            try {
                Object deserialize = SerializeUtil.deserialize(bytes);
                JSONObject objJson = JSONObject.fromObject(deserialize);
                StationInfo stationInfo = (StationInfo) JSONObject.toBean(objJson,StationInfo.class);
                return stationInfo;
            } catch (Exception e) {
                throw new RuntimeException(e);
            }
        }
        Long setnx = jedis.setnx(id, "-1");
        if(setnx==-1){
            return null;
        }
        StationInfo getinfo = chDao.getinfo(id);
        byte[] result = SerializeUtil.serialize(getinfo);
        jedis.setex(id.getBytes(),100,result);

 

posted @ 2021-06-03 18:00  明月出青山root  阅读(594)  评论(0编辑  收藏  举报