wfm 2 yıl önce
ebeveyn
işleme
86be0bdf80

+ 23 - 13
yudao-framework/yudao-spring-boot-starter-mq/src/main/java/cn/iocoder/yudao/framework/mq/job/RedisPendingMessageResendJob.java

@@ -29,8 +29,13 @@ public class RedisPendingMessageResendJob {
     private final RedisMQTemplate redisTemplate;
     private final String groupName;
     private final RedissonClient redissonClient;
-
-    private final long expireTime = 1000 * 60;
+    /**
+     * 消息超时时间,默认5分钟
+     * <p>超时的消息才会被重新投递<p/>
+     * <p>由于定时任务1分钟一次,消息超时后不会被立即重投,
+     * 极端情况下消息5分钟过期后,再等1分钟才会被扫瞄到<p/>
+     */
+    private final long expireTime = 5 * 60;
 
     /**
      * 一分钟执行一次,这里选择每分钟的35秒执行,是为了避免整点任务过多的问题
@@ -58,23 +63,28 @@ public class RedisPendingMessageResendJob {
             Map<String, Long> pendingMessagesPerConsumer = pendingMessagesSummary.getPendingMessagesPerConsumer();
             pendingMessagesPerConsumer.forEach((consumerName, pendingMessageCount) -> {
                 log.info("[processPendingMessage][消费者({}) 消息数量({})]", consumerName, pendingMessageCount);
-
+                // 每个消费者的 pending消息的详情信息
                 PendingMessages pendingMessages = ops.pending(listener.getStreamKey(), Consumer.from(groupName, consumerName), Range.unbounded(), pendingMessageCount);
                 if(pendingMessages.isEmpty()){
                     return;
                 }
                 for (PendingMessage pendingMessage : pendingMessages) {
-                    if(pendingMessage.getElapsedTimeSinceLastDelivery().toMillis() - expireTime >= 0){
-                        List<MapRecord<String, Object, Object>> records = ops.range(listener.getStreamKey(), Range.of(Range.Bound.inclusive(pendingMessage.getIdAsString()), Range.Bound.inclusive(pendingMessage.getIdAsString())));
-                        if(!CollUtil.isEmpty(records)){
-                            // 重新投递消息
-                            redisTemplate.getRedisTemplate().opsForStream().add(StreamRecords.newRecord()
-                              .ofObject(records.get(0).getValue()) // 设置内容
-                              .withStreamKey(listener.getStreamKey()));
-                            // ack 消息消费完成
-                            redisTemplate.getRedisTemplate().opsForStream().acknowledge(groupName, records.get(0));
-                        }
+                    // 获取消息上一次传递到 consumer 的时间,
+                    long lastDelivery = pendingMessage.getElapsedTimeSinceLastDelivery().getSeconds();
+                    if(lastDelivery < expireTime){
+                        continue;
+                    }
+                    // 获取指定id的消息体
+                    List<MapRecord<String, Object, Object>> records = ops.range(listener.getStreamKey(), Range.of(Range.Bound.inclusive(pendingMessage.getIdAsString()), Range.Bound.inclusive(pendingMessage.getIdAsString())));
+                    if(CollUtil.isEmpty(records)){
+                        continue;
                     }
+                    // 重新投递消息
+                    redisTemplate.getRedisTemplate().opsForStream().add(StreamRecords.newRecord()
+                      .ofObject(records.get(0).getValue()) // 设置内容
+                      .withStreamKey(listener.getStreamKey()));
+                    // ack 消息消费完成
+                    redisTemplate.getRedisTemplate().opsForStream().acknowledge(groupName, records.get(0));
                 }
             });
         });