java Redis读取数据方法

    public Map<String, List<CellInfo1>>getSceneCoverCellForRedis(){
        Jedis jedis = null;
        Map<String, List<CellInfo1>> cellMap= null;
        try{
            jedis =jedisPool.getResource();
            String jsonStr=jedis.get(DbKeys.WB_COVERAREA_4);
            Type type = new TypeToken<Map<String,List<CellInfo1>>>() {}.getType(); 
            Gson gson = newGson();
            cellMap=gson.fromJson(jsonStr,type);
            jedis.close();
            jedis= null;
        } catch(Exception e) {
            if(jedis != null){
                jedis.close();
            }
            e.printStackTrace();
        }
        returncellMap;
    }