处理一些合并冲突

backend-java/src/main/java/com/nanri/aiimage/common/service/DistributedJobLockService.java

@@ -20,6 +20,12 @@ public class DistributedJobLockService {
                     + "else return 0 end",
             Long.class
     );
+    private static final DefaultRedisScript<Long> RENEW_SCRIPT = new DefaultRedisScript<>(
+            "if redis.call('get', KEYS[1]) == ARGV[1] then "
+                    + "return redis.call('pexpire', KEYS[1], ARGV[2]) "
+                    + "else return 0 end",
+            Long.class
+    );
 
     private final StringRedisTemplate stringRedisTemplate;
     private final String ownerPrefix;
@@ -74,6 +80,25 @@ public class DistributedJobLockService {
                 log.warn("[job-lock] release failed jobName={} key={} msg={}", jobName, key, ex.getMessage());
             }
         }
+
+        public boolean renew(Duration ttl) {
+            if (released) {
+                return false;
+            }
+            Duration actualTtl = (ttl == null || ttl.isNegative() || ttl.isZero()) ? Duration.ofMinutes(10) : ttl;
+            try {
+                Long renewed = stringRedisTemplate.execute(
+                        RENEW_SCRIPT,
+                        Collections.singletonList(key),
+                        token,
+                        String.valueOf(actualTtl.toMillis())
+                );
+                return Long.valueOf(1L).equals(renewed);
+            } catch (Exception ex) {
+                log.warn("[job-lock] renew failed jobName={} key={} msg={}", jobName, key, ex.getMessage());
+                return false;
+            }
+        }
     }
 
     private String buildLockKey(String jobName) {