package com.yeshi.buwan.util;
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import java.util.List;
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import javax.annotation.Resource;
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import org.springframework.stereotype.Component;
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import com.google.gson.Gson;
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import com.yeshi.buwan.vo.video.VideoListResultVO;
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import redis.clients.jedis.Jedis;
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import redis.clients.jedis.JedisPool;
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import redis.clients.jedis.params.SetParams;
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//抢红包采用的redis
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@Component
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public class RedisManager {
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@Resource
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private JedisPool jedisPool;
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public Jedis getJedis() {
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Jedis jedis = jedisPool.getResource();
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return jedis;
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}
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/**
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* 缓存字符串
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*
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* @param key
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* @param value
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*/
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private void setString(String key, String value) {
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Jedis jedis = getJedis();
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SetParams params = new SetParams().nx().ex(60);
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jedis.set(key, value, params);
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try {
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jedis.set(key, value);
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} finally {
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jedis.close();
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}
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}
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/**
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* 删除某个键值
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*
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* @param key
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* @param value
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*/
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private void removeKey(String key) {
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Jedis jedis = getJedis();
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try {
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jedis.del(key);
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} finally {
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jedis.close();
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}
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}
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/**
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* 缓存字符串
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*
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* @param key
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* @param value
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* @param seconds
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* -缓存时间（s）
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*/
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private void setString(String key, String value, int seconds) {
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Jedis jedis = getJedis();
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try {
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jedis.setex(key, seconds, value);
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} finally {
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jedis.close();
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}
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}
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private String getString(String key) {
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Jedis jedis = getJedis();
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try {
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return jedis.get(key);
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} finally {
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jedis.close();
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}
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}
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public void increase(String key) {
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Jedis jedis = getJedis();
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try {
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jedis.incr(key);
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} finally {
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jedis.close();
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}
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}
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public void expire(String key, int seconds) {
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Jedis jedis = getJedis();
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try {
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jedis.expire(key, seconds);
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} finally {
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jedis.close();
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}
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}
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public void cacheCommonString(String key, String value, int seconds) {
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setString(key, value, seconds);
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}
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public void cacheCommonString(String key, String value) {
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setString(key, value);
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}
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public String getCommonString(String key) {
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return getString(key);
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}
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public void removeCommonString(String key) {
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removeKey(key);
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}
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/**
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* 保存视频数据
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*
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* @param key
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* @param videoData
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*/
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public void saveVideoList(String key, VideoListResultVO videoData) {
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Gson gson = new Gson();
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cacheCommonString(key, gson.toJson(videoData), 60 * 60 * 24);
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}
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/**
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* 获取视频列表
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*
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* @param key
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* @return
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*/
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public VideoListResultVO getVideoList(String key) {
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String st = getCommonString(key);
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if (!StringUtil.isNullOrEmpty(st)) {
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return new Gson().fromJson(st, VideoListResultVO.class);
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}
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return null;
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}
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/**
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* 保存列表
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*
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* @param clazzList
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* @param key
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* @param seconds
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*/
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public <T> T saveObjList(List<T> clazzList, String key, Integer seconds) {
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if (clazzList == null)
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return null;
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String value = new Gson().toJson(clazzList);
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if (seconds != null)
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cacheCommonString(key, value, seconds);
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else
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cacheCommonString(key, value);
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return null;
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}
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/**
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* 获取对象
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*
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* @param clazz
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* @param key
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* @return
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*/
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public Class<?> getObj(Class<?> clazz, String key) {
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String value = getCommonString(key);
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return (Class<?>) new Gson().fromJson(value, clazz);
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}
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/**
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* 获取列表
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*
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* @param clazz
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* @param key
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* @return
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*/
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public <T> List<T> getObjList(Class<T> clazz, String key) {
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String value = getCommonString(key);
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return JsonUtil.jsonToList(value, clazz);
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}
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}
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