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5.0\u7248\u672c\u4e0b\u521b\u5efa\u4e3b\u9898\u64cd\u4f5c\uff0c\u63a8\u8350\u4f7f\u7528mqadmin\u5de5\u5177\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5bf9\u4e8e\u6d88\u606f\u7c7b\u578b\u9700\u8981\u901a\u8fc7\u5c5e\u6027\u53c2\u6570\u6dfb\u52a0\u3002\u793a\u4f8b\u5982\u4e0b\uff1a"),(0,r.yg)("pre",null,(0,r.yg)("code",{parentName:"pre",className:"language-shell"},"sh mqadmin updateTopic -n <nameserver_address> -t <topic_name> -c <cluster_name> -a +message.type=TRANSACTION\n")),(0,r.yg)("p",null,(0,r.yg)("strong",{parentName:"p"},"\u53d1\u9001\u6d88\u606f")),(0,r.yg)("p",null,"\u4e8b\u52a1\u6d88\u606f\u76f8\u6bd4\u666e\u901a\u6d88\u606f\u53d1\u9001\u65f6\u9700\u8981\u4fee\u6539\u4ee5\u4e0b\u51e0\u70b9\uff1a"),(0,r.yg)("ul",null,(0,r.yg)("li",{parentName:"ul"},(0,r.yg)("p",{parentName:"li"},"\u53d1\u9001\u4e8b\u52a1\u6d88\u606f\u524d\uff0c\u9700\u8981\u5f00\u542f\u4e8b\u52a1\u5e76\u5173\u8054\u672c\u5730\u7684\u4e8b\u52a1\u6267\u884c\u3002")),(0,r.yg)("li",{parentName:"ul"},(0,r.yg)("p",{parentName:"li"},"\u4e3a\u4fdd\u8bc1\u4e8b\u52a1\u4e00\u81f4\u6027\uff0c\u5728\u6784\u5efa\u751f\u4ea7\u8005\u65f6\uff0c\u5fc5\u987b\u8bbe\u7f6e\u4e8b\u52a1\u68c0\u67e5\u5668\u548c\u9884\u7ed1\u5b9a\u4e8b\u52a1\u6d88\u606f\u53d1\u9001\u7684\u4e3b\u9898\u5217\u8868\uff0c\u5ba2\u6237\u7aef\u5185\u7f6e\u7684\u4e8b\u52a1\u68c0\u67e5\u5668\u4f1a\u5bf9\u7ed1\u5b9a\u7684\u4e8b\u52a1\u4e3b\u9898\u505a\u5f02\u5e38\u72b6\u6001\u6062\u590d\u3002"))),(0,r.yg)("p",null,(0,r.yg)("strong",{parentName:"p"},"\u521b\u5efa\u4e8b\u52a1\u4e3b\u9898")),(0,r.yg)("p",null,(0,r.yg)("em",{parentName:"p"},"NORMAL\u7c7b\u578bTopic\u4e0d\u652f\u6301TRANSACTION\u7c7b\u578b\u6d88\u606f\uff0c\u751f\u4ea7\u6d88\u606f\u4f1a\u62a5\u9519\u3002")),(0,r.yg)("pre",null,(0,r.yg)("code",{parentName:"pre",className:"language-bash"},"./bin/mqadmin updatetopic -n localhost:9876 -t TestTopic -c DefaultCluster -a +message.type=TRANSACTION\n")),(0,r.yg)("ul",null,(0,r.yg)("li",{parentName:"ul"},"-c \u96c6\u7fa4\u540d\u79f0"),(0,r.yg)("li",{parentName:"ul"},"-t Topic\u540d\u79f0"),(0,r.yg)("li",{parentName:"ul"},"-n nameserver\u5730\u5740"),(0,r.yg)("li",{parentName:"ul"},"-a \u989d\u5916\u5c5e\u6027\uff0c\u672c\u4f8b\u7ed9\u4e3b\u9898\u6dfb\u52a0\u4e86",(0,r.yg)("inlineCode",{parentName:"li"},"message.type"),"\u4e3a",(0,r.yg)("inlineCode",{parentName:"li"},"TRANSACTION"),"\u7684\u5c5e\u6027\u7528\u6765\u652f\u6301\u4e8b\u52a1\u6d88\u606f")),(0,r.yg)("p",null,"\u4ee5Java\u8bed\u8a00\u4e3a\u4f8b\uff0c\u4f7f\u7528\u4e8b\u52a1\u6d88\u606f\u793a\u4f8b\u53c2\u8003\u5982\u4e0b\uff1a"),(0,r.yg)("pre",null,(0,r.yg)("code",{parentName:"pre",className:"language-java"},' //\u6f14\u793ademo\uff0c\u6a21\u62df\u8ba2\u5355\u8868\u67e5\u8be2\u670d\u52a1\uff0c\u7528\u6765\u786e\u8ba4\u8ba2\u5355\u4e8b\u52a1\u662f\u5426\u63d0\u4ea4\u6210\u529f\u3002\n private static boolean checkOrderById(String orderId) {\n return true;\n }\n //\u6f14\u793ademo\uff0c\u6a21\u62df\u672c\u5730\u4e8b\u52a1\u7684\u6267\u884c\u7ed3\u679c\u3002\n private static boolean doLocalTransaction() {\n return true;\n }\n public static void main(String[] args) throws ClientException {\n ClientServiceProvider provider = new ClientServiceProvider();\n MessageBuilder messageBuilder = new MessageBuilderImpl();\n //\u6784\u9020\u4e8b\u52a1\u751f\u4ea7\u8005\uff1a\u4e8b\u52a1\u6d88\u606f\u9700\u8981\u751f\u4ea7\u8005\u6784\u5efa\u4e00\u4e2a\u4e8b\u52a1\u68c0\u67e5\u5668\uff0c\u7528\u4e8e\u68c0\u67e5\u786e\u8ba4\u5f02\u5e38\u534a\u4e8b\u52a1\u7684\u4e2d\u95f4\u72b6\u6001\u3002\n Producer producer = provider.newProducerBuilder()\n .setTransactionChecker(messageView -> {\n /**\n * \u4e8b\u52a1\u68c0\u67e5\u5668\u4e00\u822c\u662f\u6839\u636e\u4e1a\u52a1\u7684ID\u53bb\u68c0\u67e5\u672c\u5730\u4e8b\u52a1\u662f\u5426\u6b63\u786e\u63d0\u4ea4\u8fd8\u662f\u56de\u6eda\uff0c\u6b64\u5904\u4ee5\u8ba2\u5355ID\u5c5e\u6027\u4e3a\u4f8b\u3002\n * \u5728\u8ba2\u5355\u8868\u627e\u5230\u4e86\u8fd9\u4e2a\u8ba2\u5355\uff0c\u8bf4\u660e\u672c\u5730\u4e8b\u52a1\u63d2\u5165\u8ba2\u5355\u7684\u64cd\u4f5c\u5df2\u7ecf\u6b63\u786e\u63d0\u4ea4\uff1b\u5982\u679c\u8ba2\u5355\u8868\u6ca1\u6709\u8ba2\u5355\uff0c\u8bf4\u660e\u672c\u5730\u4e8b\u52a1\u5df2\u7ecf\u56de\u6eda\u3002\n */\n final String orderId = messageView.getProperties().get("OrderId");\n if (Strings.isNullOrEmpty(orderId)) {\n // \u9519\u8bef\u7684\u6d88\u606f\uff0c\u76f4\u63a5\u8fd4\u56deRollback\u3002\n return TransactionResolution.ROLLBACK;\n }\n return checkOrderById(orderId) ? TransactionResolution.COMMIT : TransactionResolution.ROLLBACK;\n })\n .build();\n //\u5f00\u542f\u4e8b\u52a1\u5206\u652f\u3002\n final Transaction transaction;\n try {\n transaction = producer.beginTransaction();\n } catch (ClientException e) {\n e.printStackTrace();\n //\u4e8b\u52a1\u5206\u652f\u5f00\u542f\u5931\u8d25\uff0c\u76f4\u63a5\u9000\u51fa\u3002\n return;\n }\n Message message = messageBuilder.setTopic("topic")\n //\u8bbe\u7f6e\u6d88\u606f\u7d22\u5f15\u952e\uff0c\u53ef\u6839\u636e\u5173\u952e\u5b57\u7cbe\u786e\u67e5\u627e\u67d0\u6761\u6d88\u606f\u3002\n .setKeys("messageKey")\n //\u8bbe\u7f6e\u6d88\u606fTag\uff0c\u7528\u4e8e\u6d88\u8d39\u7aef\u6839\u636e\u6307\u5b9aTag\u8fc7\u6ee4\u6d88\u606f\u3002\n .setTag("messageTag")\n //\u4e00\u822c\u4e8b\u52a1\u6d88\u606f\u90fd\u4f1a\u8bbe\u7f6e\u4e00\u4e2a\u672c\u5730\u4e8b\u52a1\u5173\u8054\u7684\u552f\u4e00ID\uff0c\u7528\u6765\u505a\u672c\u5730\u4e8b\u52a1\u56de\u67e5\u7684\u6821\u9a8c\u3002\n .addProperty("OrderId", "xxx")\n //\u6d88\u606f\u4f53\u3002\n .setBody("messageBody".getBytes())\n .build();\n //\u53d1\u9001\u534a\u4e8b\u52a1\u6d88\u606f\n final SendReceipt sendReceipt;\n try {\n sendReceipt = producer.send(message, transaction);\n } catch (ClientException e) {\n //\u534a\u4e8b\u52a1\u6d88\u606f\u53d1\u9001\u5931\u8d25\uff0c\u4e8b\u52a1\u53ef\u4ee5\u76f4\u63a5\u9000\u51fa\u5e76\u56de\u6eda\u3002\n return;\n }\n /**\n * \u6267\u884c\u672c\u5730\u4e8b\u52a1\uff0c\u5e76\u786e\u5b9a\u672c\u5730\u4e8b\u52a1\u7ed3\u679c\u3002\n * 1. \u5982\u679c\u672c\u5730\u4e8b\u52a1\u63d0\u4ea4\u6210\u529f\uff0c\u5219\u63d0\u4ea4\u6d88\u606f\u4e8b\u52a1\u3002\n * 2. \u5982\u679c\u672c\u5730\u4e8b\u52a1\u63d0\u4ea4\u5931\u8d25\uff0c\u5219\u56de\u6eda\u6d88\u606f\u4e8b\u52a1\u3002\n * 3. \u5982\u679c\u672c\u5730\u4e8b\u52a1\u672a\u77e5\u5f02\u5e38\uff0c\u5219\u4e0d\u5904\u7406\uff0c\u7b49\u5f85\u4e8b\u52a1\u6d88\u606f\u56de\u67e5\u3002\n *\n */\n boolean localTransactionOk = doLocalTransaction();\n if (localTransactionOk) {\n try {\n transaction.commit();\n } catch (ClientException e) {\n // \u4e1a\u52a1\u53ef\u4ee5\u81ea\u8eab\u5bf9\u5b9e\u65f6\u6027\u7684\u8981\u6c42\u9009\u62e9\u662f\u5426\u91cd\u8bd5\uff0c\u5982\u679c\u653e\u5f03\u91cd\u8bd5\uff0c\u53ef\u4ee5\u4f9d\u8d56\u4e8b\u52a1\u6d88\u606f\u56de\u67e5\u673a\u5236\u8fdb\u884c\u4e8b\u52a1\u72b6\u6001\u7684\u63d0\u4ea4\u3002\n e.printStackTrace();\n }\n } else {\n try {\n transaction.rollback();\n } catch (ClientException e) {\n // \u5efa\u8bae\u8bb0\u5f55\u5f02\u5e38\u4fe1\u606f\uff0c\u56de\u6eda\u5f02\u5e38\u65f6\u53ef\u4ee5\u65e0\u9700\u91cd\u8bd5\uff0c\u4f9d\u8d56\u4e8b\u52a1\u6d88\u606f\u56de\u67e5\u673a\u5236\u8fdb\u884c\u4e8b\u52a1\u72b6\u6001\u7684\u63d0\u4ea4\u3002\n e.printStackTrace();\n }\n }\n }\n')),(0,r.yg)("h2",{id:"\u4f7f\u7528\u5efa\u8bae"},"\u4f7f\u7528\u5efa\u8bae"),(0,r.yg)("p",null,(0,r.yg)("strong",{parentName:"p"},"\u907f\u514d\u5927\u91cf\u672a\u51b3\u4e8b\u52a1\u5bfc\u81f4\u8d85\u65f6")),(0,r.yg)("p",null,"Apache RocketMQ\u652f\u6301\u5728\u4e8b\u52a1\u63d0\u4ea4\u9636\u6bb5\u5f02\u5e38\u7684\u60c5\u51b5\u4e0b\u53d1\u8d77\u4e8b\u52a1\u56de\u67e5\uff0c\u4fdd\u8bc1\u4e8b\u52a1\u4e00\u81f4\u6027\u3002\u4f46\u751f\u4ea7\u8005\u5e94\u8be5\u5c3d\u91cf\u907f\u514d\u672c\u5730\u4e8b\u52a1\u8fd4\u56de\u672a\u77e5\u7ed3\u679c\u3002\u5927\u91cf\u7684\u4e8b\u52a1\u68c0\u67e5\u4f1a\u5bfc\u81f4\u7cfb\u7edf\u6027\u80fd\u53d7\u635f\uff0c\u5bb9\u6613\u5bfc\u81f4\u4e8b\u52a1\u5904\u7406\u5ef6\u8fdf\u3002"),(0,r.yg)("p",null,(0,r.yg)("strong",{parentName:"p"},'\u6b63\u786e\u5904\u7406"\u8fdb\u884c\u4e2d"\u7684\u4e8b\u52a1')),(0,r.yg)("p",null,"\u6d88\u606f\u56de\u67e5\u65f6\uff0c\u5bf9\u4e8e\u6b63\u5728\u8fdb\u884c\u4e2d\u7684\u4e8b\u52a1\u4e0d\u8981\u8fd4\u56deRollback\u6216Commit\u7ed3\u679c\uff0c\u5e94\u7ee7\u7eed\u4fdd\u6301Unknown\u7684\u72b6\u6001\u3002 \u4e00\u822c\u51fa\u73b0\u6d88\u606f\u56de\u67e5\u65f6\u4e8b\u52a1\u6b63\u5728\u5904\u7406\u7684\u539f\u56e0\u4e3a\uff1a\u4e8b\u52a1\u6267\u884c\u8f83\u6162\uff0c\u6d88\u606f\u56de\u67e5\u592a\u5feb\u3002\u89e3\u51b3\u65b9\u6848\u5982\u4e0b\uff1a"),(0,r.yg)("ul",null,(0,r.yg)("li",{parentName:"ul"},(0,r.yg)("p",{parentName:"li"},"\u5c06\u7b2c\u4e00\u6b21\u4e8b\u52a1\u56de\u67e5\u65f6\u95f4\u8bbe\u7f6e\u8f83\u5927\u4e00\u4e9b\uff0c\u4f46\u53ef\u80fd\u5bfc\u81f4\u4f9d\u8d56\u56de\u67e5\u7684\u4e8b\u52a1\u63d0\u4ea4\u5ef6\u8fdf\u8f83\u5927\u3002")),(0,r.yg)("li",{parentName:"ul"},(0,r.yg)("p",{parentName:"li"},"\u7a0b\u5e8f\u80fd\u6b63\u786e\u8bc6\u522b\u6b63\u5728\u8fdb\u884c\u4e2d\u7684\u4e8b\u52a1\u3002"))))}y.isMDXComponent=!0},56406:(e,n,a)=>{a.d(n,{A:()=>t});const t=a.p+"assets/images/lifecyclefortrans-fe4a49f1c9fdae5d590a64546722036f.png"},29762:(e,n,a)=>{a.d(n,{A:()=>t});const t=a.p+"assets/images/tradetrans01-636d42fb6584de6c51692d0889af5c2d.png"},4015:(e,n,a)=>{a.d(n,{A:()=>t});const t=a.p+"assets/images/tradewithtrans-25be17fcdedb8343a0d2633e693d126d.png"},15609:(e,n,a)=>{a.d(n,{A:()=>t});const t=a.p+"assets/images/transflow-0b07236d124ddb814aeaf5f6b5f3f72c.png"},36796:(e,n,a)=>{a.d(n,{A:()=>t});const t=a.p+"assets/images/transwithnormal-f7d951385520fc18aea8d85f0cd86c27.png"}}]); |