| 提交 | 用户 | 时间 | ||
| e7c126 | 1 | package com.iailab.framework.idempotent.core.redis; |
| H | 2 | |
| 3 | import lombok.AllArgsConstructor; | |
| 4 | import org.springframework.data.redis.core.StringRedisTemplate; | |
| 5 | ||
| 6 | import java.util.concurrent.TimeUnit; | |
| 7 | ||
| 8 | /** | |
| 9 | * 幂等 Redis DAO | |
| 10 | * | |
| 11 | * @author iailab | |
| 12 | */ | |
| 13 | @AllArgsConstructor | |
| 14 | public class IdempotentRedisDAO { | |
| 15 | ||
| 16 | /** | |
| 17 | * 幂等操作 | |
| 18 | * | |
| 19 | * KEY 格式：idempotent:%s // 参数为 uuid | |
| 20 | * VALUE 格式：String | |
| 21 | * 过期时间：不固定 | |
| 22 | */ | |
| 23 | private static final String IDEMPOTENT = "idempotent:%s"; | |
| 24 | ||
| 25 | private final StringRedisTemplate redisTemplate; | |
| 26 | ||
| 27 | public Boolean setIfAbsent(String key, long timeout, TimeUnit timeUnit) { | |
| 28 | String redisKey = formatKey(key); | |
| 29 | return redisTemplate.opsForValue().setIfAbsent(redisKey, "", timeout, timeUnit); | |
| 30 | } | |
| 31 | ||
| 32 | public void delete(String key) { | |
| 33 | String redisKey = formatKey(key); | |
| 34 | redisTemplate.delete(redisKey); | |
| 35 | } | |
| 36 | ||
| 37 | private static String formatKey(String key) { | |
| 38 | return String.format(IDEMPOTENT, key); | |
| 39 | } | |
| 40 | ||
| 41 | } | |
