修改redis实现消息队列代码

4.redis-mq/src/main/java/com/fanxb/redismq/annotation/MqConsumer.java

@@ -13,6 +13,7 @@ import java.lang.annotation.Target;
  * Created By Fxb
  * Date: 2020/3/26
  * Time: 15:26
+ * @author fanxb
  */
 @Target(ElementType.TYPE)
 @Retention(RetentionPolicy.RUNTIME)
@@ -23,5 +24,4 @@ public @interface MqConsumer {
      * 队列主题
      */
     String topic() default "default_es_topic";
-
 }

4.redis-mq/src/main/java/com/fanxb/redismq/configuration/MqConfiguration.java

@@ -27,6 +27,8 @@ import java.util.concurrent.atomic.AtomicInteger;
  * Created By Fxb
  * Date: 2020/3/24
  * Time: 15:37
+ *
+ * @author fanxb
  */
 @Component
 public class MqConfiguration implements ApplicationRunner {
@@ -35,9 +37,9 @@ public class MqConfiguration implements ApplicationRunner {
     private RedisMqUtil mqUtil;
 
     /**
-     * 订阅对象与执行方法关系（支持广播模式）
+     * 订阅对象与执行方法关系
      */
-    private static final Map<String, List<RedisConsumer>> topicMap = new HashMap<>();
+    private static final Map<String, RedisConsumer> topicMap = new HashMap<>();
     /**
      * 执行线程池
      */
@@ -56,7 +58,13 @@ public class MqConfiguration implements ApplicationRunner {
             }
             MqConsumer[] annotations = item.getClass().getAnnotationsByType(MqConsumer.class);
             MqConsumer annotation = annotations[0];
-            topicMap.computeIfAbsent(annotation.topic(), k -> new ArrayList<>()).add((RedisConsumer) item);
+            String topic = annotation.topic();
+            if (topicMap.containsKey(topic)) {
+                log.error("多个消费者{},消费同一个消息:{},已忽略", item.getClass().getCanonicalName(), topic);
+            } else {
+                topicMap.put(topic, (RedisConsumer) item);
+            }
+
         });
         log.info("redis订阅信息汇总完毕！！！！！！");
         //由一个线程始终循环获取es队列数据
@@ -76,8 +84,8 @@ public class MqConfiguration implements ApplicationRunner {
                             pushTask(v, message, k);
                         }
                     } catch (RedisConnectionFailureException connException) {
-                        log.error("redis无法连接", connException);
-                        sleep(5);
+                        log.error("redis无法连接,10s后重试", connException);
+                        sleep(10);
                     } catch (Exception e) {
                         log.error("redis消息队列异常", e);
                     }
@@ -99,21 +107,17 @@ public class MqConfiguration implements ApplicationRunner {
      * @author 123
      * @date 2020/3/28 23:52
      */
-    private void pushTask(List<RedisConsumer> list, String value, String key) {
-        for (RedisConsumer consumer : list) {
+    private void pushTask(RedisConsumer item, String value, String key) {
         threadPoolExecutor.execute(() -> {
             try {
-                    consumer.deal(value);
+                item.deal(value);
             } catch (Exception e) {
                 log.error("执行消费任务出错", e);
-                    if (list.size() == 1) {
                 //非广播消息进行数据回补
                 mqUtil.getRedisTemplate().opsForList().rightPush(key, value);
             }
-                }
         });
     }
-    }
 
     private void sleep(int s) {
         try {

4.redis-mq/src/main/resources/application.yml

@@ -1,4 +1,4 @@
 spring:
   redis:
     host: localhost
-    port: 6380
+    port: 6379