package com.sinata.push.util;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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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.Pipeline;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.List;
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/**
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* Redis工具类
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*/
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@Component
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public class RedisUtil {
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@Autowired
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private JedisPool jedisPool;
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/**
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* 向redis中存储字符串没有过期时间
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* @param key
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* @param value
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*/
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public void setStrValue(String key, String value){
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if(StringUtil.isNotEmpty(key)){
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Jedis resource = jedisPool.getResource();
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String set = resource.set(key, value);
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resource.close();
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}
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}
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/**
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* 以分钟为单位设置存储值（设置过期时间）
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* @param key
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* @param value
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* @param time 秒
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*/
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public void setStrValue(String key, String value, int time){
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if(StringUtil.isNotEmpty(key)){
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Jedis resource = jedisPool.getResource();
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String setex = resource.setex(key, time, value);
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resource.close();
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}
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}
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/**
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* 从redis中获取值
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* @param key
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* @return
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*/
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public String getValue(String key){
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if(StringUtil.isNotEmpty(key)){
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Jedis resource = jedisPool.getResource();
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String data = resource.get(key);
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resource.close();
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return data;
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}
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return null;
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}
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/**
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* 批量获取
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* @param kes
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* @return
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*/
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public List<Object> getValues(List<String> kes){
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if(null != kes){
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Jedis resource = jedisPool.getResource();
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Pipeline pipelined = resource.pipelined();
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for(String key : kes){
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pipelined.get(key);
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}
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List<Object> list = pipelined.syncAndReturnAll();
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resource.close();
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pipelined.clear();
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try {
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pipelined.close();
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} catch (IOException e) {
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e.printStackTrace();
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}
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List<Object> data = new ArrayList<>();
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for(Object o : list){
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if(null != o){
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data.add(o);
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}
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}
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return data;
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}
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return null;
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}
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/**
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* 从右侧获取数据
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* @param key
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* @return
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*/
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public String getValueList(String key){
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if(StringUtil.isNotEmpty(key)){
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Jedis resource = jedisPool.getResource();
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String s = resource.lpop(key);
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resource.close();
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return s;
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}
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return null;
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}
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/**
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* 从左侧添加数据到list中
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* @param key
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* @param s
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*/
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public void addValueList(String key, String s){
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if(StringUtil.isNotEmpty(key)){
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Jedis resource = jedisPool.getResource();
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resource.rpush(key, s);
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resource.close();
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}
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}
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/**
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* 删除key
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* @param key
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*/
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public void remove(String key){
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if(StringUtil.isNotEmpty(key)){
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Jedis resource = jedisPool.getResource();
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Long del = resource.del(key);
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resource.close();
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}
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}
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/**
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* 删除list集合数据
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* @param key
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* @param count
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* @param value
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*/
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public void delValueList(String key, long count, String value){
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if(StringUtil.isNotEmpty(key)){
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Jedis resource = jedisPool.getResource();
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Long lrem = resource.lrem(key, count, value);
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resource.close();
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}
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}
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/**
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* 获取list集合数量
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* @param key
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* @return
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*/
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public Long getListCount(String key){
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if(StringUtil.isNotEmpty(key)){
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Jedis resource = jedisPool.getResource();
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Long length = resource.llen(key);
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resource.close();
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return length;
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}
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return 0L;
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}
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/**
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* 获取集合内容
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* @param key
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* @param start
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* @param end
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* @return
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*/
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public List<String> getList(String key, long start, long end){
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if(StringUtil.isNotEmpty(key)){
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Jedis resource = jedisPool.getResource();
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List<String> lrange = resource.lrange(key, start, end);
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resource.close();
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return lrange;
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}
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return new ArrayList<>();
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}
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/**
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* 获取list所有数据
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* @param key
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* @return
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*/
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public List<String> getAllList(String key){
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if(StringUtil.isNotEmpty(key)){
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Jedis resource = jedisPool.getResource();
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Long llen = resource.llen(key);
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List<String> lrange = resource.lrange(key, 0, llen - 1);
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resource.close();
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return lrange;
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}
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return new ArrayList<>();
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}
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}
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