{"id":2162,"date":"2023-04-02T13:36:12","date_gmt":"2023-04-02T05:36:12","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=2162"},"modified":"2023-04-05T13:15:13","modified_gmt":"2023-04-05T05:15:13","slug":"rocketmq-message-pattern","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/04\/02\/rocketmq-message-pattern\/","title":{"rendered":"RocketMQ\u8be6\u89e3\u2014\u2014RocketMQ\u7684\u6d88\u606f\u6a21\u5f0f"},"content":{"rendered":"<h2>RocketMQ\u7684\u6d88\u606f\u6a21\u5f0f<\/h2>\n<p>\u5728RocketMQ\u4e2d\uff0c\u53ef\u4ee5\u7406\u89e3\u4e3a\u6ca1\u6709ActiveMQ\u7684<code>createQueue()<\/code>\u548c<code>createTopic()<\/code>\u7684\u7528\u6cd5\uff0c\u4e5f\u5c31\u662f\u5e76\u6ca1\u6709P2P\u548c<code>Pub\/Sub<\/code>\u7c7b\u4f3c\u7684\u6982\u5ff5\u3002RocketMQ\u4e0d\u9075\u5faaJMS\u89c4\u8303\uff0c\u800c\u662f\u4f7f\u7528\u4e86\u4e00\u5957\u81ea\u5b9a\u4e49\u7684\u673a\u5236\u3002\u53ef\u4ee5\u7406\u89e3\u4e3aRocketMQ\u90fd\u662f\u57fa\u4e8e<code>Pub\/Sub<\/code>\u53d1\u5e03\u8ba2\u9605\u6a21\u5f0f\u7684\uff0c\u5728\u6b64\u57fa\u7840\u4e0a\u63d0\u4f9b\u4e86\u96c6\u7fa4\u6d88\u606f\u548c\u5e7f\u64ad\u6d88\u606f\u4e24\u79cd\u6d88\u606f\u6a21\u5f0f\uff0c\u53ef\u901a\u8fc7\u6d88\u8d39\u7aef\u65b9\u6cd5<code>consumer.setMessageModel()<\/code>\u8fdb\u884c\u8bbe\u7f6e\u3002<\/p>\n<p><!-- more --><\/p>\n<ul>\n<li>\u96c6\u7fa4\u6d88\u606f\u2014\u2014<code>MessageModel.CLUSTERING<\/code><\/li>\n<\/ul>\n<p>\u8fd9\u65b9\u65b9\u5f0f\u53ef\u4ee5\u5b9e\u73b0\u7c7b\u4f3cActiveMQ\u8d1f\u8f7d\u5747\u8861\u5ba2\u6237\u7aef\u7684\u529f\u80fd\uff0c\u540c\u4e00\u4e2aConsumerGroup\u4e0b\u7684\u6240\u6709Consumer\u4ee5\u8d1f\u8f7d\u5747\u8861\u7684\u65b9\u5f0f\u6d88\u8d39\u6d88\u606f\u3002\u6bd4\u8f83\u7279\u6b8a\u7684\u662f\uff0c\u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u652f\u6301\u751f\u4ea7\u7aef\u5148\u53d1\u9001\u6d88\u606f\u5230Broker\uff0c\u6d88\u8d39\u7aef\u518d\u8ba2\u9605\u4e3b\u9898\u8fdb\u884c\u6d88\u8d39\uff0c\u6bd4\u8f83\u7075\u6d3b\u3002RocketMQ\u9ed8\u8ba4\u4e3a\u8be5\u6a21\u5f0f<\/p>\n<ul>\n<li>\u5e7f\u64ad\u6d88\u606f\u2014\u2014<code>MessageModel.BROADCASTING<\/code><\/li>\n<\/ul>\n<p>\u5728\u8fd9\u79cd\u6a21\u5f0f\u4e0b\uff0c\u751f\u4ea7\u7aef\u53d1\u9001\u5230Topic\u4e0b\u7684\u6d88\u606f\uff0c\u4f1a\u88ab\u8ba2\u9605\u4e86\u8be5Topic\u7684\u6240\u6709Consumer\u6d88\u8d39\uff0c\u5373\u4f7f\u5b83\u4eec\u5904\u4e8e\u540c\u4e00\u4e2aConsumerGroup<\/p>\n<p>\u5728RocketMQ\u4e2d\uff0c\u6709\u4e00\u4e2a\u5f88\u91cd\u8981\u7684\u6982\u5ff5\u2014\u2014GroupName\u3002\u65e0\u8bba\u662fProducer\u7aef\u8fd8\u662fConsumer\u7aef\uff0c\u90fd\u5fc5\u987b\u6307\u5b9a\u4e00\u4e2aGroupName\uff0c\u8fd9\u4e2a\u7ec4\u540d\u79f0\u9700\u8981\u7531\u5e94\u7528\u6765\u4fdd\u8bc1\u552f\u4e00\u6027\u3002\u540c\u4e00\u4e2aProducerGroup\u4e0b\u7684\u6240\u6709Producer\u53d1\u9001\u7528\u4e00\u7c7b\u6d88\u606f\uff0c\u4e14\u53d1\u9001\u903b\u8f91\u4e00\u81f4\u3002Consumer\u540c\u7406\u3002<\/p>\n<p>Topic\u4ee3\u8868\u6d88\u606f\u53d1\u9001\u548c\u8ba2\u9605\u7684\u4e3b\u9898\uff0c\u662f\u4e00\u4e2a\u903b\u8f91\u4e0a\u7684\u6982\u5ff5\uff0cTopic\u5e76\u4e0d\u5b9e\u9645\u5b58\u50a8\u6d88\u606f\u3002\u6bcf\u4e2aTopic\u90fd\u4f1a\u7ef4\u62a4\u4e00\u4e9bMessageQueue(\u9ed8\u8ba44\u4e2a)\uff0c\u8fd9\u4e2aMessageQueue\u5219\u662f\u7269\u7406\u4e0a\u7684\u6982\u5ff5\uff0c\u76f4\u63a5\u5b58\u50a8\u6d88\u606f\u3002<\/p>\n<h2>Producer\u7aef\u7a0b\u5e8f<\/h2>\n<p>\u4f7f\u7528DefaultMQProducer\uff0c\u53d1\u90018\u6761\u6d88\u606f\uff1a<\/p>\n<pre><code class=\"language-java\">import lombok.extern.slf4j.Slf4j;\nimport org.apache.rocketmq.client.producer.DefaultMQProducer;\nimport org.apache.rocketmq.common.message.Message;\nimport org.apache.rocketmq.remoting.common.RemotingHelper;\nimport org.springframework.beans.factory.annotation.Value;\nimport org.springframework.stereotype.Service;\nimport william.rmq.common.constant.RocketMQConstant;\nimport william.rmq.producer.common.CommonSendCallback;\nimport javax.annotation.PostConstruct;\n\n\/**\n * @Description:RocketMQ\u6d88\u606f\u751f\u4ea7\u8005\n *\/\n@Service\n@Slf4j\npublic class MessageProducer {\n    @Value(&quot;${spring.rocketmq.namesrvAddr}&quot;)\n    private String namesrvAddr;\n\n    private static final DefaultMQProducer producer = new DefaultMQProducer(&quot;DefaultProducer&quot;);\n\n    @PostConstruct\n    public void start(){\n        try {\n            producer.setNamesrvAddr(namesrvAddr);\n            producer.setRetryTimesWhenSendFailed(RocketMQConstant.MAX_RETRY_TIMES);\n            producer.start();\n\n            log.info(&quot;Message Producer Start...&quot;);\n            System.err.println(&quot;Message Producer Start...&quot;);\n        }catch (Exception e){\n            log.error(&quot;Message Producer Start Error!!&quot;, e);\n        }\n\n        String message = &quot;Message-&quot;;\n        String topic = RocketMQConstant.TEST_TOPIC_NAME;\n        String tags = &quot;Tags&quot;;\n        String keys = &quot;Keys-&quot;;\n\n        for (int i = 1;i &lt;= 8;i++) {\n            sendMessage(message + i, topic,tags, keys + i);\n        }\n    }\n\n    public void sendMessage(String data, String topic, String tags, String keys) {\n        try {\n            byte[] messageBody = data.getBytes(RemotingHelper.DEFAULT_CHARSET);\n\n            Message mqMsg = new Message(topic, tags, keys, messageBody);\n\n            producer.send(mqMsg, new CommonSendCallback());\n        } catch (Exception e) {\n            log.error(&quot;Message Producer: Send Message Error &quot;, e);\n        }\n\n    }\n}<\/code><\/pre>\n<h2>Consumer\u7aef\u7a0b\u5e8f<\/h2>\n<pre><code class=\"language-java\">import lombok.extern.slf4j.Slf4j;\nimport org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;\nimport org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;\nimport org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;\nimport org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently;\nimport org.apache.rocketmq.client.exception.MQClientException;\nimport org.apache.rocketmq.common.consumer.ConsumeFromWhere;\nimport org.apache.rocketmq.common.message.MessageExt;\nimport org.apache.rocketmq.common.protocol.heartbeat.MessageModel;\nimport org.apache.rocketmq.remoting.common.RemotingHelper;\nimport org.springframework.beans.factory.annotation.Value;\nimport org.springframework.stereotype.Service;\nimport org.springframework.util.CollectionUtils;\nimport william.rmq.common.constant.RocketMQConstant;\n\nimport javax.annotation.PostConstruct;\nimport java.util.List;\n\n\/**\n * @Description:RocketMQ\u6d88\u606f\u6d88\u8d39\u8005\n *\/\n@Slf4j\n@Service\npublic class MessageConsumer implements MessageListenerConcurrently {\n    @Value(&quot;${spring.rocketmq.namesrvAddr}&quot;)\n    private String namesrvAddr;\n\n    private final DefaultMQPushConsumer consumer = new DefaultMQPushConsumer(&quot;DefaultConsumer&quot;);\n\n    @PostConstruct\n    public void start() {\n        try {\n            consumer.setNamesrvAddr(namesrvAddr);\n\n            \/\/\u4ece\u6d88\u606f\u961f\u5217\u5934\u90e8\u5f00\u59cb\u6d88\u8d39\n            consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_FIRST_OFFSET);\n\n            \/\/\u8bbe\u7f6e\u96c6\u7fa4\u6d88\u8d39\u6a21\u5f0f\n            consumer.setMessageModel(MessageModel.CLUSTERING);\n\n            \/\/\u8bbe\u7f6e\u6d88\u8d39\u8d85\u65f6\u65f6\u95f4(\u5206\u949f)\n            consumer.setConsumeTimeout(RocketMQConstant.CONSUMER_TIMEOUT_MINUTES);\n\n            \/\/\u8ba2\u9605\u4e3b\u9898\n            consumer.subscribe(RocketMQConstant.TEST_TOPIC_NAME, &quot;*&quot;);\n\n            \/\/\u6ce8\u518c\u6d88\u606f\u76d1\u542c\u5668\n            consumer.registerMessageListener(this);\n\n            \/\/\u8bbe\u7f6e\u6279\u91cf\u6d88\u8d39\u6700\u5927\u6d88\u606f\u6570\uff0c\u8fd9\u91cc\u8bbe\u7f6e\u4e3a\u9010\u6761\u6d88\u8d39\n            consumer.setConsumeMessageBatchMaxSize(1);\n\n            \/\/\u542f\u52a8\u6d88\u8d39\u7aef\n            consumer.start();\n\n            log.info(&quot;Message Consumer Start...&quot;);\n            System.err.println(&quot;Message Consumer Start...&quot;);\n        } catch (MQClientException e) {\n            log.error(&quot;Message Consumer Start Error!!&quot;, e);\n        }\n\n    }\n\n    @Override\n    public ConsumeConcurrentlyStatus consumeMessage(List&lt;MessageExt&gt; msgs, ConsumeConcurrentlyContext context) {\n        if (CollectionUtils.isEmpty(msgs)) {\n            return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;\n        }\n\n        MessageExt message = msgs.get(0);\n        try {\n            String messageBody = new String(message.getBody(), RemotingHelper.DEFAULT_CHARSET);\n            System.err.println(&quot;Message Consumer: Handle New Message: messageId: &quot; + message.getMsgId() + &quot;,topic: &quot; +\n                    message.getTopic() + &quot;,tags: &quot; + message.getTags() + &quot;,messageBody: &quot; + messageBody);\n\n            return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;\n        } catch (Exception e) {\n            log.error(&quot;Consume Message Error!!&quot;, e);\n            return ConsumeConcurrentlyStatus.RECONSUME_LATER;\n        }\n    }\n\n}<\/code><\/pre>\n<p>\u5148\u542f\u52a82\u4e2aConsumer\u7a0b\u5e8f\uff0c\u518d\u542f\u52a8\u5355\u4e2aProducer\u7a0b\u5e8f\uff0c\u4e24\u4e2aConsumer\u7aef\u63a7\u5236\u53f0\u8f93\u51fa\u5982\u4e0b\uff1a<\/p>\n<p>Consumer1\uff1a<\/p>\n<pre><code>Handle New Message: messageId: 0A0E096CA41418B4AAC259EE89E30006,topic: DefaultCluster,tags: Tags,messageBody: Message-7\nMessage Consumer: Handle New Message: messageId: 0A0E096CA41418B4AAC259EE89E30007,topic: DefaultCluster,tags: Tags,messageBody: Message-8\nMessage Consumer: Handle New Message: messageId: 0A0E096CA41418B4AAC259EE89D70002,topic: DefaultCluster,tags: Tags,messageBody: Message-1\nMessage Consumer: Handle New Message: messageId: 0A0E096CA41418B4AAC259EE89E30005,topic: DefaultCluster,tags: Tags,messageBody: Message-6<\/code><\/pre>\n<p>Consumer2\uff1a<\/p>\n<pre><code>Message Consumer: Handle New Message: messageId: 0A0E096CA41418B4AAC259EE89D80003,topic: DefaultCluster,tags: Tags,messageBody: Message-4\nMessage Consumer: Handle New Message: messageId: 0A0E096CA41418B4AAC259EE89D70000,topic: DefaultCluster,tags: Tags,messageBody: Message-2\nMessage Consumer: Handle New Message: messageId: 0A0E096CA41418B4AAC259EE89D70001,topic: DefaultCluster,tags: Tags,messageBody: Message-3\nMessage Consumer: Handle New Message: messageId: 0A0E096CA41418B4AAC259EE89E30004,topic: DefaultCluster,tags: Tags,messageBody: Message-5<\/code><\/pre>\n<p>\u53ef\u4ee5\u770b\u5230\uff0c\u4f7f\u7528\u96c6\u7fa4\u6d88\u606f\u6a21\u5f0f\u540e\uff0c\u4e24\u4e2aConsumer\u8d1f\u8f7d\u5747\u8861\u6d88\u8d39\u4e868\u6761\u6d88\u606f<\/p>\n","protected":false},"excerpt":{"rendered":"<p>RocketMQ\u7684\u6d88\u606f\u6a21\u5f0f \u5728RocketMQ\u4e2d\uff0c\u53ef\u4ee5\u7406\u89e3\u4e3a\u6ca1\u6709ActiveMQ\u7684createQueue()\u548c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[30],"tags":[],"class_list":["post-2162","post","type-post","status-publish","format-standard","hentry","category-rocketmq"],"_links":{"self":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/2162","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/comments?post=2162"}],"version-history":[{"count":0,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/posts\/2162\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/media?parent=2162"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/categories?post=2162"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.appblog.cn\/index.php\/wp-json\/wp\/v2\/tags?post=2162"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}