public class RedisService {

public static String server = "localhost";

public Boolean addEmployee(Employee employee) {
Jedis jedis = new Jedis(server);
}

# for unknown 
public void addDeptInfo(String key, String data) {
Jedis jedis = new Jedis(RedisProperties.connection);
jedis.set(key, data);
}

}

//adding employee in a redis list
public Boolean addEmployee(Employee employee) {
    Jedis jedis = new Jedis(server);
    Employee emp = new Employee();
    emp=getEmployee(employee.getEmployeeId());
    jedis.lpush("employeelist", employee.toString());
    return true;
}
 
 
//add departments in a set
public void addDept(String dept) {
    Jedis jedis = new Jedis(server);
    jedis.sadd("departments", dept);
}

//get all employees from employee list
public List<Employee> getAllEmployee(){
    List<Employee> employeeList = new ArrayList<>();
    Jedis jedis = new Jedis(server);
    List<String> employees = jedis.lrange("employeelist", 0, jedis.llen("employeelist"));
    for (String employee: employees) {
        String[] emp1=employee.split(",");
        Employee emp = new Employee(Integer.parseInt(emp1[0]), emp1[1], emp1[2]);
        employeeList.add(emp);
    }
    return employeeList;
}
 
 
//get all departments from set
public Set<String> getDepts() {
    Jedis jedis = new Jedis(server);
    return jedis.smembers("departments");
}

// delete first visitor from visitors set
public Visitor deleteVisitor() {
    Jedis jedis = new Jedis(server);
    Map<String,Integer> visitors = get_Visitors();
    Visitor vis = new Visitor();
    for (Map.Entry<String, Integer> visitor : visitors.entrySet()) {
        vis.setName(visitor.getKey());
        vis.setId(jedis.zscore("visitors", visitor.getKey()));
        break;
    }
    jedis.zrem("visitors", vis.getName());
    return vis;
}
 
//delete department information from cache
public String deleteDeptInfo(String key) {
    Jedis jedis = new Jedis(server);
    String value = jedis.get(key);
    jedis.del(key);
    return key + " = " + value + " successfully deleted";
}

public void addActiveNum(Integer userId,double score){
    int month = DateUtil.thisMonth()+1;
    String key = CommonConstant.FQ_ACTIVE_USER_SORT+month;
    try {
        JedisCommands commands = JedisProviderFactory.getJedisCommands(null);
        Double scoreStore = commands.zscore(key,userId.toString());
        if(scoreStore == null){
            scoreStore = score;
        }else {
            scoreStore += score;
        }
        commands.zadd(key,scoreStore,userId.toString());
        commands.expire(key,180*24*60*60);
    } catch (Exception e) {
        logger.error(e);
    }finally {
        JedisProviderFactory.getJedisProvider(null).release();
    }
}

    public static void refreshUserCacheByUid(Integer userId){
    String cacheKey = "FqUser.id:"+userId;
    try {
        JedisCommands commands = JedisProviderFactory.getJedisCommands(null);
        FqUserService fqUserService = SpringUtils.getBean("fqUserServiceImpl");
        FqUser fqUser = fqUserService.selectByPrimaryKey(userId);
        FqUserCache fqUserCache = new FqUserCache(fqUser);
        commands.set(cacheKey,JSON.toJSONString(fqUserCache));
        commands.expire(cacheKey,300);
    } catch (Exception e) {
        logger.error("refreshUserCacheByUid",e);
    }finally {
        JedisProviderFactory.getJedisProvider(null).release();
    }

public void remove(final String key, final String... member){
	return exec(new RedisCallback<Long>() {
		@Override
		public Long doCallback(JedisCommands commands) {
			return commands.zrem(key, member);
		}
	});
}