{"id":10006314,"date":"2022-08-25T19:52:27","date_gmt":"2022-08-25T11:52:27","guid":{"rendered":"https:\/\/ityet.com\/?p=10006314"},"modified":"2022-08-25T19:52:27","modified_gmt":"2022-08-25T11:52:27","slug":"%e8%a7%a3%e6%9e%90-rocketmq-%e4%b8%9a%e5%8a%a1%e6%b6%88%e6%81%af-%e9%a1%ba%e5%ba%8f%e6%b6%88%e6%81%af","status":"publish","type":"post","link":"https:\/\/itmax.cn\/?p=10006314","title":{"rendered":"\u89e3\u6790 RocketMQ \u4e1a\u52a1\u6d88\u606f–\u201c\u987a\u5e8f\u6d88\u606f\u201d"},"content":{"rendered":"

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\"\u56fe\u7247\"
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\"\u56fe\u7247\"
\u00a0\u540c\u65f6\uff0c\u5bf9\u4e8e\u540c\u4e00 MessageGroup\uff0c\u4e3a\u4e86\u4fdd\u8bc1\u5176\u53d1\u9001\u987a\u5e8f\u7684\u5148\u540e\u6027\uff0c\u6bd4\u8f83\u7b80\u5355\u7684\u505a\u6cd5\u662f\u6784\u9020\u4e00\u4e2a\u5355\u7ebf\u7a0b\u7684\u573a\u666f\uff0c\u5373\u4e0d\u540c\u7684 MessageGroup \u7531\u4e0d\u540c\u7684 Producer \u8d1f\u8d23\uff0c\u5e76\u4e14\u5bf9\u4e8e\u6bcf\u4e00\u4e2a Producer \u800c\u8a00\uff0c\u987a\u5e8f\u6d88\u606f\u662f\u540c\u6b65\u53d1\u9001\u7684\u3002\u540c\u6b65\u53d1\u9001\u7684\u597d\u5904\u662f\u663e\u800c\u6613\u89c1\u7684\uff0c\u5728\u5ba2\u6237\u7aef\u5f97\u5230\u4e0a\u4e00\u6761\u6d88\u606f\u7684\u53d1\u9001\u7ed3\u679c\u540e\u518d\u53d1\u9001\u4e0b\u4e00\u6761\uff0c\u5373\u80fd\u51c6\u786e\u4fdd\u8bc1\u53d1\u9001\u987a\u5e8f\uff0c\u82e5\u4f7f\u7528\u5f02\u6b65\u53d1\u9001\u6216\u591a\u7ebf\u7a0b\u5219\u5f88\u96be\u4fdd\u8bc1\u8fd9\u4e00\u70b9\u3002\u00a0\u00a0
\"\u56fe\u7247\"
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\"\u56fe\u7247\"
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\"\u56fe\u7247\"
\u00a0\u6700\u4f73\u5b9e\u8df5\u00a0\u5408\u7406\u8bbe\u7f6e MessageGroup\u00a0MessageGroup \u4f1a\u6709\u5f88\u591a\u9519\u8bef\u7684\u9009\u62e9\uff0c\u4ee5\u67d0\u7535\u5546\u5e73\u53f0\u4e3a\u4f8b\uff0c\u67d0\u7535\u5546\u5e73\u53f0\u5c06\u5546\u5bb6 ID \u4f5c\u4e3a MessageGroup\uff0c\u56e0\u4e3a\u90e8\u5206\u89c4\u6a21\u8f83\u5927\u7684\u5546\u5bb6\u4f1a\u4ea7\u51fa\u8f83\u591a\u8ba2\u5355\uff0c\u7531\u4e8e\u4e0b\u6e38\u6d88\u8d39\u80fd\u529b\u7684\u9650\u5236\uff0c\u56e0\u6b64\u8fd9\u90e8\u5206\u5546\u5bb6\u6240\u5bf9\u5e94\u7684\u8ba2\u5355\u5c31\u53d1\u751f\u4e86\u4e25\u91cd\u7684\u5806\u79ef\u3002\u6b63\u786e\u7684\u505a\u6cd5\u5e94\u5f53\u662f\u5c06\u8ba2\u5355\u53f7\u4f5c\u4e3a MessageGroup\uff0c\u800c\u4e14\u7ad9\u5728\u80cc\u540e\u7684\u4e1a\u52a1\u903b\u8f91\u4e0a\u6765\u8bf4\uff0c\u540c\u4e00\u8ba2\u5355\u624d\u6709\u987a\u5e8f\u6027\u7684\u8981\u6c42\u3002\u5373\u9009\u62e9 MessageGroup \u7684\u6700\u4f73\u5b9e\u8df5\u662f\uff1aMessageGroup \u751f\u547d\u5468\u671f\u6700\u597d\u8f83\u4e3a\u77ed\u6682\uff0c\u4e14\u4e0d\u540c MessageGroup \u7684\u6570\u91cf\u5e94\u5f53\u5c3d\u91cf\u76f8\u540c\u4e14\u5747\u5300\u3002\u00a0\u540c\u6b65\u53d1\u9001\u548c\u53d1\u9001\u91cd\u8bd5\u00a0\u5982\u4e4b\u524d\u7ae0\u8282\u6240\u8ff0\uff0c\u9700\u4f7f\u7528\u540c\u6b65\u53d1\u9001\u548c\u53d1\u9001\u91cd\u8bd5\u6765\u4fdd\u8bc1\u53d1\u9001\u7684\u987a\u5e8f\u6027\u3002\u00a0\u6d88\u8d39\u5e42\u7b49\u00a0\u6d88\u606f\u4f20\u8f93\u94fe\u8def\u5728\u5f02\u5e38\u573a\u666f\u4e0b\u4f1a\u6709\u5c11\u91cf\u91cd\u590d\uff0c\u4e1a\u52a1\u6d88\u8d39\u662f\u9700\u8981\u505a\u6d88\u8d39\u5e42\u7b49\uff0c\u907f\u514d\u91cd\u590d\u5904\u7406\u5e26\u6765\u7684\u98ce\u9669\u3002\u00a0\u5e94\u7528\u6848\u4f8b\u00a0\u7528\u6237\u6ce8\u518c\u9700\u8981\u53d1\u9001\u9a8c\u8bc1\u7801\uff0c\u4ee5\u7528\u6237 ID \u4f5c\u4e3a MessageGroup\uff0c\u90a3\u4e48\u540c\u4e00\u4e2a\u7528\u6237\u53d1\u9001\u7684\u6d88\u606f\u90fd\u4f1a\u6309\u7167\u53d1\u5e03\u7684\u5148\u540e\u987a\u5e8f\u6765\u6d88\u8d39\u3002\u00a0\u7535\u5546\u7684\u8ba2\u5355\u521b\u5efa\uff0c\u4ee5\u8ba2\u5355 ID \u4f5c\u4e3a MessageGroup\uff0c\u90a3\u4e48\u540c\u4e00\u4e2a\u8ba2\u5355\u76f8\u5173\u7684\u521b\u5efa\u8ba2\u5355\u6d88\u606f\u3001\u8ba2\u5355\u652f\u4ed8\u6d88\u606f\u3001\u8ba2\u5355\u9000\u6b3e\u6d88\u606f\u3001\u8ba2\u5355\u7269\u6d41\u6d88\u606f\u90fd\u4f1a\u6309\u7167\u53d1\u5e03\u7684\u5148\u540e\u987a\u5e8f\u6765\u6d88\u8d39\u3002\u00a0
\"\u56fe\u7247\"
\u00a0\u5b9e\u6218\u00a0\u53d1\u9001\u00a0\u53ef\u4ee5\u770b\u5230\uff0c\u8be5\u53d1\u9001\u6848\u4f8b\u8bbe\u7f6e\u4e86 MessageGroup \u5e76\u4e14\u4f7f\u7528\u4e86\u540c\u6b65\u53d1\u9001\uff0c\u53d1\u9001\u7684\u4ee3\u7801\u5982\u4e0b\uff1a\u00a0public class ProducerFifoMessageExample {<\/p>\n

private static final Logger LOGGER = LoggerFactory.getLogger(ProducerFifoMessageExample.class);\n\nprivate ProducerFifoMessageExample() {\n}\n\npublic static void main(String[] args) throws ClientException, IOException {\n    final ClientServiceProvider provider = ClientServiceProvider.loadService();\n\n    \/\/ Credential provider is optional for client configuration.\n    String accessKey = "yourAccessKey";\n    String secretKey = "yourSecretKey";\n    SessionCredentialsProvider sessionCredentialsProvider =\n        new StaticSessionCredentialsProvider(accessKey, secretKey);\n\n    String endpoints = "foobar.com:8080";\n    ClientConfiguration clientConfiguration = ClientConfiguration.newBuilder()\n        .setEndpoints(endpoints)\n        .setCredentialProvider(sessionCredentialsProvider)\n        .build();\n    String topic = "yourFifoTopic";\n    final Producer producer = provider.newProducerBuilder()\n        .setClientConfiguration(clientConfiguration)\n        \/\/ Set the topic name(s), which is optional. It makes producer could prefetch the topic route before \n        \/\/ message publishing.\n        .setTopics(topic)\n        \/\/ May throw {@link ClientException} if the producer is not initialized.\n        .build();\n    \/\/ Define your message body.\n    byte[] body = "This is a FIFO message for Apache RocketMQ".getBytes(StandardCharsets.UTF_8);\n    String tag = "yourMessageTagA";\n    final Message message = provider.newMessageBuilder()\n        \/\/ Set topic for the current message.\n        .setTopic(topic)\n        \/\/ Message secondary classifier of message besides topic.\n        .setTag(tag)\n        \/\/ Key(s) of the message, another way to mark message besides message id.\n        .setKeys("yourMessageKey-1ff69ada8e0e")\n        \/\/ Message group decides the message delivery order.\n        .setMessageGroup("youMessageGroup0")\n        .setBody(body)\n        .build();\n    try {\n        final SendReceipt sendReceipt = producer.send(message);\n        LOGGER.info("Send message successfully, messageId={}", sendReceipt.getMessageId());\n    } catch (Throwable t) {\n        LOGGER.error("Failed to send message", t);\n    }\n    \/\/ Close the producer when you don't need it anymore.\n    producer.close();\n}<\/code><\/pre>\n
}\u00a0\u6d88\u8d39\u00a0\u6d88\u8d39\u7684\u4ee3\u7801\u5982\u4e0b\uff1a\u00a0public class SimpleConsumerExample {<\/p>\n
private static final Logger LOGGER = LoggerFactory.getLogger(SimpleConsumerExample.class);\n\nprivate SimpleConsumerExample() {\n}\n\npublic static void main(String[] args) throws ClientException, IOException {\n    final ClientServiceProvider provider = ClientServiceProvider.loadService();\n\n    \/\/ Credential provider is optional for client configuration.\n    String accessKey = "yourAccessKey";\n    String secretKey = "yourSecretKey";\n    SessionCredentialsProvider sessionCredentialsProvider =\n        new StaticSessionCredentialsProvider(accessKey, secretKey);\n\n    String endpoints = "foobar.com:8080";\n    ClientConfiguration clientConfiguration = ClientConfiguration.newBuilder()\n        .setEndpoints(endpoints)\n        .setCredentialProvider(sessionCredentialsProvider)\n        .build();\n    String consumerGroup = "yourConsumerGroup";\n    Duration awaitDuration = Duration.ofSeconds(30);\n    String tag = "yourMessageTagA";\n    String topic = "yourTopic";\n    FilterExpression filterExpression = new FilterExpression(tag, FilterExpressionType.TAG);\n    SimpleConsumer consumer = provider.newSimpleConsumerBuilder()\n        .setClientConfiguration(clientConfiguration)\n        \/\/ Set the consumer group name.\n        .setConsumerGroup(consumerGroup)\n        \/\/ set await duration for long-polling.\n        .setAwaitDuration(awaitDuration)\n        \/\/ Set the subscription for the consumer.\n        .setSubscriptionExpressions(Collections.singletonMap(topic, filterExpression))\n        .build();\n    \/\/ Max message num for each long polling.\n    int maxMessageNum = 16;\n    \/\/ Set message invisible duration after it is received.\n    Duration invisibleDuration = Duration.ofSeconds(5);\n    final List<MessageView> messages = consumer.receive(maxMessageNum, invisibleDuration);\n    for (MessageView message : messages) {\n        try {\n            consumer.ack(message);\n        } catch (Throwable t) {\n            LOGGER.error("Failed to acknowledge message, messageId={}", message.getMessageId(), t);\n        }\n    }\n    \/\/ Close the simple consumer when you don't need it anymore.\n    consumer.close();\n}<\/code><\/pre>\n
}\u00a0\u4eca\u5929\u901a\u8fc7\u5bf9 RocketMQ \u987a\u5e8f\u6d88\u606f\u7684\u4ecb\u7ecd\uff0c\u5e0c\u671b\u80fd\u591f\u5e2e\u5927\u5bb6\u5bf9\u987a\u5e8f\u6d88\u606f\u7684\u539f\u7406\u548c\u5e94\u7528\u6709\u66f4\u6df1\u5165\u7684\u4e86\u89e3\uff0c\u540c\u65f6\u4e5f\u671f\u671b RocketMQ \u7684\u987a\u5e8f\u6d88\u606f\u80fd\u591f\u5e2e\u52a9\u60a8\u66f4\u6709\u6548\u7684\u89e3\u51b3\u4e1a\u52a1\u95ee\u9898\u3002\u5982\u679c\u60a8\u5bf9 RocktMQ \u7684\u4e1a\u52a1\u6d88\u606f\u611f\u5174\u8da3\uff0c\u4e5f\u6b22\u8fce\u60a8\u626b\u63cf\u4e0b\u65b9\u4e8c\u7ef4\u7801\u52a0\u5165\u9489\u9489\u7fa4\u4e00\u8d77\u6c9f\u901a\u4ea4\u6d41\uff5e\u00a0
\"\u56fe\u7247\"
\u00a0\u70b9\u51fb\u6b64\u5904\uff0c\u8fdb\u5165\u5b98\u7f51\u4e86\u89e3\u66f4\u591a\u8be6\u60c5\uff5e\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/click.aliyun.com\/m\/10…<\/a>\u672c\u6587\u4e3a\u963f\u91cc\u4e91\u539f\u521b\u5185\u5bb9\uff0c\u672a\u7ecf\u5141\u8bb8\u4e0d\u5f97\u8f6c\u8f7d\u3002<\/p>\n
https:\/\/segmentfault.com\/a\/1190000042379077<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
\u7b80\u4ecb\uff1a\u00a0\u672c\u7bc7\u5c06\u7ee7\u7eed\u4e1a\u52a1\u6d88\u606f\u96c6\u6210\u7684\u573a\u666f\uff0c\u4ece\u529f\u80fd\u539f\u7406\u3001\u5e94\u7528\u6848\u4f8b\u3001\u6700\u4f73\u5b9e\u8df5\u4ee5\u53ca\u5b9e\u6218\u7b49\u89d2\u5ea6\u4ecb\u7ecd RocketMQ \u7684\u987a […]<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[],"tags":[],"class_list":["post-10006314","post","type-post","status-publish","format-standard","hentry"],"jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006314","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10006314"}],"version-history":[{"count":0,"href":"https:\/\/itmax.cn\/index.php?rest_route=\/wp\/v2\/posts\/10006314\/revisions"}],"wp:attachment":[{"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10006314"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10006314"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/itmax.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10006314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}