From 34981c30a78e8bbd7791131059a9210f9928b62c Mon Sep 17 00:00:00 2001
From: 刘光辉 <347230014@qq.com>
Date: 星期四, 17 九月 2026 09:24:09 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/master' into master
---
jnpf-flowable/jnpf-flowable-biz/src/main/java/jnpf/flowable/util/RedisLock.java | 45 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 45 insertions(+), 0 deletions(-)
diff --git a/jnpf-flowable/jnpf-flowable-biz/src/main/java/jnpf/flowable/util/RedisLock.java b/jnpf-flowable/jnpf-flowable-biz/src/main/java/jnpf/flowable/util/RedisLock.java
new file mode 100644
index 0000000..77ab9a9
--- /dev/null
+++ b/jnpf-flowable/jnpf-flowable-biz/src/main/java/jnpf/flowable/util/RedisLock.java
@@ -0,0 +1,45 @@
+package jnpf.flowable.util;
+
+import lombok.RequiredArgsConstructor;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.data.redis.core.script.DefaultRedisScript;
+import org.springframework.data.redis.core.script.RedisScript;
+import org.springframework.stereotype.Component;
+
+import java.util.Collections;
+import java.util.concurrent.TimeUnit;
+
+/**
+ * 绫荤殑鎻忚堪
+ *
+ * @author JNPF@YinMai Info. Co., Ltd
+ * @version 5.0.x
+ * @since 2025/1/9 14:19
+ */
+@Component
+@RequiredArgsConstructor
+public class RedisLock {
+ private static final String LOCK_KEY_PREFIX = "workflow-lock:";
+
+
+ private final RedisTemplate<String, Object> redisTemplate;
+
+ private String getLockKey(String lockName) {
+ return LOCK_KEY_PREFIX + lockName;
+ }
+
+ // false琛ㄧず璁剧疆澶辫触
+ public boolean lock(String lockName, String lockValue, long expireTime, TimeUnit unit) {
+ Boolean result = redisTemplate.opsForValue().setIfAbsent(getLockKey(lockName), lockValue, unit.toSeconds(expireTime), TimeUnit.SECONDS);
+
+ return Boolean.TRUE.equals(result);
+ }
+
+ public boolean unlock(String lockName, String lockValue) {
+ String script = "if redis.call('get', KEYS[1]) == ARGV[1] then return redis.call('del', KEYS[1]) else return 0 end";
+ RedisScript<Long> redisScript = new DefaultRedisScript<>(script, Long.class);
+ Long result = redisTemplate.execute(redisScript, Collections.singletonList(getLockKey(lockName)), Collections.singletonList(lockValue));
+ assert result != null;
+ return result > 0;
+ }
+}
--
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