examcloud-app-api/src/main/java/cn/com/qmth/examcloud/app/service/RedisService.java

/*
 * *************************************************
 * Copyright (c) 2018 QMTH. All Rights Reserved.
 * Created by Deason on 2018-07-31 17:53:48.
 * *************************************************
 */

package cn.com.qmth.examcloud.app.service;

import cn.com.qmth.examcloud.app.core.utils.JsonMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Service;

import java.util.concurrent.TimeUnit;

/**
 * Redis接口服务类
 *
 * @author: fengdesheng
 * @since: 2018/7/16
 */
@Service
public class RedisService {
    private static Logger log = LoggerFactory.getLogger(RedisService.class);
    @Autowired
    private StringRedisTemplate stringRedisTemplate;
    @Autowired
    private RedisTemplate<String, Object> redisTemplate;

    public void setObj(String key, Object value) {
        redisTemplate.opsForValue().set(key, value);
    }

    public void setObj(String key, Object value, long seconds) {
        redisTemplate.opsForValue().set(key, value, seconds, TimeUnit.SECONDS);
    }

    public void set(String key, String value) {
        stringRedisTemplate.opsForValue().set(key, value);
    }

    public void set(String key, String value, long seconds) {
        stringRedisTemplate.opsForValue().set(key, value, seconds, TimeUnit.SECONDS);
    }

    public String get(String key) {
        return stringRedisTemplate.opsForValue().get(key);
    }

    public <T> T getObj(String key, Class<T> clazz) {
        return (T) redisTemplate.opsForValue().get(key);
    }

    public <T> T fromJson(String key, Class<T> clazz) {
        String jsonStr = stringRedisTemplate.opsForValue().get(key);
        if (jsonStr != null) {
            return new JsonMapper().fromJson(jsonStr, clazz);
        }
        return null;
    }

    public boolean exist(String key) {
        return stringRedisTemplate.hasKey(key);
    }

    public void delete(String key) {
        stringRedisTemplate.delete(key);
    }

    public StringRedisTemplate getStringRedisTemplate() {
        return stringRedisTemplate;
    }

    public RedisTemplate<String, Object> getRedisTemplate() {
        return redisTemplate;
    }

}