springboot data redis序列自增

最新推荐文章于 2025-06-20 20:04:06 发布

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本文介绍了一个基于Spring Boot和Redis实现的序列号生成服务，通过使用RedisAtomicLong来保证并发环境下的原子操作，支持自增及指定增量，并设置了每日过期策略。

package com.peidw.ctpsequence.service;



import com.peidw.ctpsequence.SequenceService;
import com.peidw.framework.response.Response;
import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.dao.DataAccessException;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.connection.jedis.JedisConnection;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.RedisCallback;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.RedisSerializer;
import org.springframework.data.redis.support.atomic.RedisAtomicLong;
import org.springframework.stereotype.Component;

import java.util.concurrent.TimeUnit;

@Component("sequenceService")
public class SequenceServiceImpl implements SequenceService {
   private Logger log= LoggerFactory.getLogger(SequenceServiceImpl.class.getName());
   /*
   @Autowired
   private StringRedisTemplate stringRedisTemplate;
   */
   @Autowired
   private RedisTemplate<String, Sequence> redisTemplate;
   @Autowired
   private StringRedisTemplate stringRedisTemplate;

   public SequenceServiceImpl(){
      log.info("--------------------------------------------SequenceServiceImpl()");
   }
   
   @Override
   public Response<Long> generate(String key) {
      log.info("---------------------------generate "+key);
      Response<Long> response = new Response<Long>();
      RedisAtomicLong counter = new RedisAtomicLong(key, redisTemplate.getConnectionFactory());
      counter.getAndAdd(1);
      counter.expire(1, TimeUnit.DAYS);
      long x1=counter.longValue();
      log.info("---------------------------generate "+key+"----------value="+x1);

      response.setResult(x1);
      return response;
      
   }

   @Override
   public Response<Long> generate(String key, int increment) {
      log.info("---------------------------generate "+key);
      Response<Long> response = new Response<Long>();
      RedisAtomicLong counter = new RedisAtomicLong(key, redisTemplate.getConnectionFactory());
      counter.getAndAdd(increment);
      counter.expire(1, TimeUnit.DAYS);
      long x1=counter.longValue();
      log.info("---------------------------generate "+key+"----------value="+x1);

      response.setResult(x1);
      return response;
   }



}