CachePermissionManager.java

package com.server.shiro.context;

import com.server.shiro.constants.Constants;
import com.server.shiro.persistent.bean.SysUser;
import com.server.shiro.persistent.repository.UserRepository;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
import org.springframework.web.context.WebApplicationContext;

import java.util.List;

/**
 * Created by yinbinhome@163.com on 2018/2/23.
 * description:
 */

@Component("permissionManager")
//@Singleton
public class CachePermissionManager implements PermissionManage {
    private static final Logger logger = LoggerFactory.getLogger(CachePermissionManager.class);

    @Value("${spring.application.name}")
    private String APPLICATION_NAME;

    @Autowired
    private UserRepository userRepository;

    @Autowired
    private RedisTemplate redisTemplate;

    @Override
    public void initPermission() {
        List<SysUser> users = (List<SysUser>) userRepository.findAll();
        String key=APPLICATION_NAME+"_"+Constants.USER_PERMISSION;
//        redisTemplate.delete(key);
//        redisTemplate.opsForList().leftPushAll(key,users);
        logger.info("从数据库拉取<用户-权限>对象，存储到上下文里");
    }

    @Override
    public void reloadPermission() {
        initPermission();
        logger.info("更新上下文里的<用户-权限>");
    }

    @Override
    public Object pullPermission() {
        String key=APPLICATION_NAME+"_"+Constants.USER_PERMISSION;
        Long size=redisTemplate.opsForList().size(key);
        List<SysUser> user= (List<SysUser>) redisTemplate.opsForList().range(key,0,size);
        logger.info("从上下文里取<用户-权限>对象");
        return user;
    }

}