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"YourTopic";\nFilterExpression filterExpression = new FilterExpression("YourFilterTag", FilterExpressionType.TAG);\nPushConsumer pushConsumer = provider.newPushConsumerBuilder()\n // \u8bbe\u7f6e\u6d88\u8d39\u8005\u5206\u7ec4\u3002\n .setConsumerGroup("YourConsumerGroup")\n // \u8bbe\u7f6e\u63a5\u5165\u70b9\u3002\n .setClientConfiguration(ClientConfiguration.newBuilder().setEndpoints("YourEndpoint").build())\n // \u8bbe\u7f6e\u9884\u7ed1\u5b9a\u7684\u8ba2\u9605\u5173\u7cfb\u3002\n .setSubscriptionExpressions(Collections.singletonMap(topic, filterExpression))\n // \u8bbe\u7f6e\u6d88\u8d39\u76d1\u542c\u5668\u3002\n .setMessageListener(new MessageListener() {\n @Override\n public ConsumeResult consume(MessageView messageView) {\n // \u6d88\u8d39\u6d88\u606f\u5e76\u8fd4\u56de\u5904\u7406\u7ed3\u679c\u3002\n return ConsumeResult.SUCCESS;\n }\n })\n .build();\n \n')),(0,a.yg)("p",null,"PushConsumer\u7684\u6d88\u8d39\u76d1\u542c\u5668\u6267\u884c\u7ed3\u679c\u5206\u4e3a\u4ee5\u4e0b\u4e09\u79cd\u60c5\u51b5\uff1a"),(0,a.yg)("ul",null,(0,a.yg)("li",{parentName:"ul"},(0,a.yg)("p",{parentName:"li"},"\u8fd4\u56de\u6d88\u8d39\u6210\u529f\uff1a\u4ee5Java SDK\u4e3a\u4f8b\uff0c\u8fd4\u56de",(0,a.yg)("inlineCode",{parentName:"p"},"ConsumeResult.SUCCESS"),"\uff0c\u8868\u793a\u8be5\u6d88\u606f\u5904\u7406\u6210\u529f\uff0c\u670d\u52a1\u7aef\u6309\u7167\u6d88\u8d39\u7ed3\u679c\u66f4\u65b0\u6d88\u8d39\u8fdb\u5ea6\u3002")),(0,a.yg)("li",{parentName:"ul"},(0,a.yg)("p",{parentName:"li"},"\u8fd4\u56de\u6d88\u8d39\u5931\u8d25\uff1a\u4ee5Java SDK\u4e3a\u4f8b\uff0c\u8fd4\u56de",(0,a.yg)("inlineCode",{parentName:"p"},"ConsumeResult.FAILURE"),"\uff0c\u8868\u793a\u8be5\u6d88\u606f\u5904\u7406\u5931\u8d25\uff0c\u9700\u8981\u6839\u636e\u6d88\u8d39\u91cd\u8bd5\u903b\u8f91\u5224\u65ad\u662f\u5426\u8fdb\u884c\u91cd\u8bd5\u6d88\u8d39\u3002")),(0,a.yg)("li",{parentName:"ul"},(0,a.yg)("p",{parentName:"li"},"\u51fa\u73b0\u975e\u9884\u671f\u5931\u8d25\uff1a\u4f8b\u5982\u629b\u5f02\u5e38\u7b49\u884c\u4e3a\uff0c\u8be5\u7ed3\u679c\u6309\u7167\u6d88\u8d39\u5931\u8d25\u5904\u7406\uff0c\u9700\u8981\u6839\u636e\u6d88\u8d39\u91cd\u8bd5\u903b\u8f91\u5224\u65ad\u662f\u5426\u8fdb\u884c\u91cd\u8bd5\u6d88\u8d39\u3002"))),(0,a.yg)("p",null,"PushConsumer \u6d88\u8d39\u6d88\u606f\u65f6\uff0c\u82e5\u6d88\u606f\u5904\u7406\u903b\u8f91\u51fa\u73b0\u9884\u671f\u4e4b\u5916\u7684\u963b\u585e\u5bfc\u81f4\u6d88\u606f\u5904\u7406\u4e00\u76f4\u65e0\u6cd5\u6267\u884c\u6210\u529f\uff0cSDK\u4f1a\u6309\u7167\u6d88\u8d39\u8d85\u65f6\u5904\u7406\u5f3a\u5236\u63d0\u4ea4\u6d88\u8d39\u5931\u8d25\u7ed3\u679c\uff0c\u5e76\u6309\u7167\u6d88\u8d39\u91cd\u8bd5\u903b\u8f91\u8fdb\u884c\u5904\u7406\u3002\u6d88\u606f\u8d85\u65f6\uff0c\u8bf7\u53c2\u89c1",(0,a.yg)("a",{parentName:"p",href:"/zh/docs/featureBehavior/10consumerretrypolicy"},"PushConsumer\u6d88\u8d39\u91cd\u8bd5\u7b56\u7565"),"\u3002"),(0,a.yg)("admonition",{type:"info"},(0,a.yg)("p",{parentName:"admonition"},"\u51fa\u73b0\u6d88\u8d39\u8d85\u65f6\u60c5\u51b5\u65f6\uff0cSDK\u867d\u7136\u63d0\u4ea4\u6d88\u8d39\u5931\u8d25\u7ed3\u679c\uff0c\u4f46\u662f\u5f53\u524d\u6d88\u8d39\u7ebf\u7a0b\u53ef\u80fd\u4ecd\u7136\u65e0\u6cd5\u54cd\u5e94\u4e2d\u65ad\uff0c\u8fd8\u4f1a\u7ee7\u7eed\u5904\u7406\u6d88\u606f\u3002")),(0,a.yg)("p",null,(0,a.yg)("strong",{parentName:"p"},"\u5185\u90e8\u539f\u7406")),(0,a.yg)("p",null,"\u5728PushConsumer\u7c7b\u578b\u4e2d\uff0c\u6d88\u606f\u7684\u5b9e\u65f6\u5904\u7406\u80fd\u529b\u662f\u57fa\u4e8eSDK\u5185\u90e8\u7684\u5178\u578bReactor\u7ebf\u7a0b\u6a21\u578b\u5b9e\u73b0\u7684\u3002\u5982\u4e0b\u56fe\u6240\u793a\uff0cSDK\u5185\u7f6e\u4e86\u4e00\u4e2a\u957f\u8f6e\u8be2\u7ebf\u7a0b\uff0c\u5148\u5c06\u6d88\u606f\u5f02\u6b65\u62c9\u53d6\u5230SDK\u5185\u7f6e\u7684\u7f13\u5b58\u961f\u5217\u4e2d\uff0c\u518d\u5206\u522b\u63d0\u4ea4\u5230\u6d88\u8d39\u7ebf\u7a0b\u4e2d\uff0c\u89e6\u53d1\u76d1\u542c\u5668\u6267\u884c\u672c\u5730\u6d88\u8d39\u903b\u8f91\u3002\n",(0,a.yg)("img",{alt:"PushConsumer\u539f\u7406",src:r(37227).A,width:"1393",height:"693"})),(0,a.yg)("p",null,"\u53ef\u9760\u6027\u91cd\u8bd5"),(0,a.yg)("p",null,"PushConsumer \u6d88\u8d39\u8005\u7c7b\u578b\u4e2d\uff0c\u5ba2\u6237\u7aefSDK\u548c\u6d88\u8d39\u903b\u8f91\u7684\u552f\u4e00\u8fb9\u754c\u662f\u6d88\u8d39\u76d1\u542c\u5668\u63a5\u53e3\u3002\u5ba2\u6237\u7aefSDK\u4e25\u683c\u6309\u7167\u76d1\u542c\u5668\u7684\u8fd4\u56de\u7ed3\u679c\u5224\u65ad\u6d88\u606f\u662f\u5426\u6d88\u8d39\u6210\u529f\uff0c\u5e76\u505a\u53ef\u9760\u6027\u91cd\u8bd5\u3002\u6240\u6709\u6d88\u606f\u5fc5\u987b\u4ee5\u540c\u6b65\u65b9\u5f0f\u8fdb\u884c\u6d88\u8d39\u5904\u7406\uff0c\u5e76\u5728\u76d1\u542c\u5668\u63a5\u53e3\u7ed3\u675f\u65f6\u8fd4\u56de\u8c03\u7528\u7ed3\u679c\uff0c\u4e0d\u5141\u8bb8\u518d\u505a\u5f02\u6b65\u5316\u5206\u53d1\u3002\u6d88\u606f\u91cd\u8bd5\u5177\u4f53\u4fe1\u606f\uff0c\u8bf7\u53c2\u89c1",(0,a.yg)("a",{parentName:"p",href:"/zh/docs/featureBehavior/10consumerretrypolicy"},"PushConsumer\u6d88\u8d39\u91cd\u8bd5\u7b56\u7565"),"\u3002"),(0,a.yg)("p",null,"\u4f7f\u7528PushConsumer\u6d88\u8d39\u8005\u6d88\u8d39\u65f6\uff0c\u4e0d\u5141\u8bb8\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\u5904\u7406\u6d88\u606f\uff0c\u5426\u5219 Apache RocketMQ \u65e0\u6cd5\u4fdd\u8bc1\u6d88\u606f\u7684\u53ef\u9760\u6027\u3002"),(0,a.yg)("ul",null,(0,a.yg)("li",{parentName:"ul"},(0,a.yg)("p",{parentName:"li"},"\u9519\u8bef\u65b9\u5f0f\u4e00\uff1a\u6d88\u606f\u8fd8\u672a\u5904\u7406\u5b8c\u6210\uff0c\u5c31\u63d0\u524d\u8fd4\u56de\u6d88\u8d39\u6210\u529f\u7ed3\u679c\u3002\u6b64\u65f6\u5982\u679c\u6d88\u606f\u6d88\u8d39\u5931\u8d25\uff0cApache RocketMQ \u670d\u52a1\u7aef\u662f\u65e0\u6cd5\u611f\u77e5\u7684\uff0c\u56e0\u6b64\u4e0d\u4f1a\u8fdb\u884c\u6d88\u8d39\u91cd\u8bd5\u3002")),(0,a.yg)("li",{parentName:"ul"},(0,a.yg)("p",{parentName:"li"},"\u9519\u8bef\u65b9\u5f0f\u4e8c\uff1a\u5728\u6d88\u8d39\u76d1\u542c\u5668\u5185\u5c06\u6d88\u606f\u518d\u6b21\u5206\u53d1\u5230\u81ea\u5b9a\u4e49\u7684\u5176\u4ed6\u7ebf\u7a0b\uff0c\u6d88\u8d39\u76d1\u542c\u5668\u63d0\u524d\u8fd4\u56de\u6d88\u8d39\u7ed3\u679c\u3002\u6b64\u65f6\u5982\u679c\u6d88\u606f\u6d88\u8d39\u5931\u8d25\uff0cApache RocketMQ \u670d\u52a1\u7aef\u540c\u6837\u65e0\u6cd5\u611f\u77e5\uff0c\u56e0\u6b64\u4e5f\u4e0d\u4f1a\u8fdb\u884c\u6d88\u8d39\u91cd\u8bd5\u3002"))),(0,a.yg)("p",null,"\u987a\u5e8f\u6027\u4fdd\u969c"),(0,a.yg)("p",null,"\u57fa\u4e8e Apache RocketMQ\n",(0,a.yg)("a",{parentName:"p",href:"/zh/docs/featureBehavior/03fifomessage"},"\u987a\u5e8f\u6d88\u606f"),"\u7684\u5b9a\u4e49\uff0c\u5982\u679c\u6d88\u8d39\u8005\u5206\u7ec4\u8bbe\u7f6e\u4e86\u987a\u5e8f\u6d88\u8d39\u6a21\u5f0f\uff0c\u5219PushConsumer\u5728\u89e6\u53d1\u6d88\u8d39\u76d1\u542c\u5668\u65f6\uff0c\u4e25\u683c\u9075\u5faa\u6d88\u606f\u7684\u5148\u540e\u987a\u5e8f\u3002\u4e1a\u52a1\u5904\u7406\u903b\u8f91\u65e0\u611f\u77e5\u5373\u53ef\u4fdd\u8bc1\u6d88\u606f\u7684\u6d88\u8d39\u987a\u5e8f\u3002"),(0,a.yg)("admonition",{type:"info"},(0,a.yg)("p",{parentName:"admonition"},"\u6d88\u606f\u6d88\u8d39\u6309\u7167\u987a\u5e8f\u5904\u7406\u7684\u524d\u63d0\u662f\u9075\u5faa\u540c\u6b65\u63d0\u4ea4\u539f\u5219\uff0c\u5982\u679c\u4e1a\u52a1\u903b\u8f91\u81ea\u5b9a\u4e49\u5b9e\u73b0\u4e86\u5f02\u6b65\u5206\u53d1\uff0c\u5219Apache RocketMQ \u65e0\u6cd5\u4fdd\u8bc1\u6d88\u606f\u7684\u987a\u5e8f\u6027\u3002")),(0,a.yg)("p",null,"\u9002\u7528\u573a\u666f"),(0,a.yg)("p",null,"PushConsumer\u4e25\u683c\u9650\u5236\u4e86\u6d88\u606f\u540c\u6b65\u5904\u7406\u53ca\u6bcf\u6761\u6d88\u606f\u7684\u5904\u7406\u8d85\u65f6\u65f6\u95f4\uff0c\u9002\u7528\u4e8e\u4ee5\u4e0b\u573a\u666f\uff1a"),(0,a.yg)("ul",null,(0,a.yg)("li",{parentName:"ul"},(0,a.yg)("p",{parentName:"li"},"\u6d88\u606f\u5904\u7406\u65f6\u95f4\u53ef\u9884\u4f30\uff1a\u5982\u679c\u4e0d\u786e\u5b9a\u6d88\u606f\u5904\u7406\u8017\u65f6\uff0c\u7ecf\u5e38\u6709\u9884\u671f\u4e4b\u5916\u7684\u957f\u65f6\u95f4\u8017\u65f6\u7684\u6d88\u606f\uff0cPushConsumer\u7684\u53ef\u9760\u6027\u4fdd\u8bc1\u4f1a\u9891\u7e41\u89e6\u53d1\u6d88\u606f\u91cd\u8bd5\u673a\u5236\u9020\u6210\u5927\u91cf\u91cd\u590d\u6d88\u606f\u3002")),(0,a.yg)("li",{parentName:"ul"},(0,a.yg)("p",{parentName:"li"},"\u65e0\u5f02\u6b65\u5316\u3001\u9ad8\u7ea7\u5b9a\u5236\u573a\u666f\uff1aPushConsumer\u9650\u5236\u4e86\u6d88\u8d39\u903b\u8f91\u7684\u7ebf\u7a0b\u6a21\u578b\uff0c\u7531\u5ba2\u6237\u7aefSDK\u5185\u90e8\u6309\u6700\u5927\u541e\u5410\u91cf\u89e6\u53d1\u6d88\u606f\u5904\u7406\u3002\u8be5\u6a21\u578b\u5f00\u53d1\u903b\u8f91\u7b80\u5355\uff0c\u4f46\u662f\u4e0d\u5141\u8bb8\u4f7f\u7528\u5f02\u6b65\u5316\u548c\u81ea\u5b9a\u4e49\u5904\u7406\u6d41\u7a0b\u3002"))),(0,a.yg)("h2",{id:"simpleconsumer"},"SimpleConsumer"),(0,a.yg)("p",null,"SimpleConsumer \u662f\u4e00\u79cd\u63a5\u53e3\u539f\u5b50\u578b\u7684\u6d88\u8d39\u8005\u7c7b\u578b\uff0c\u6d88\u606f\u7684\u83b7\u53d6\u3001\u6d88\u8d39\u72b6\u6001\u63d0\u4ea4\u4ee5\u53ca\u6d88\u8d39\u91cd\u8bd5\u90fd\u662f\u901a\u8fc7\u6d88\u8d39\u8005\u4e1a\u52a1\u903b\u8f91\u4e3b\u52a8\u53d1\u8d77\u8c03\u7528\u5b8c\u6210\u3002"),(0,a.yg)("p",null,(0,a.yg)("strong",{parentName:"p"},"\u4f7f\u7528\u65b9\u5f0f")),(0,a.yg)("p",null,"SimpleConsumer \u7684\u4f7f\u7528\u6d89\u53ca\u591a\u4e2a\u63a5\u53e3\u8c03\u7528\uff0c\u7531\u4e1a\u52a1\u903b\u8f91\u6309\u9700\u8c03\u7528\u63a5\u53e3\u83b7\u53d6\u6d88\u606f\uff0c\u7136\u540e\u5206\u53d1\u7ed9\u4e1a\u52a1\u7ebf\u7a0b\u5904\u7406\u6d88\u606f\uff0c\u6700\u540e\u6309\u7167\u5904\u7406\u7684\u7ed3\u679c\u8c03\u7528\u63d0\u4ea4\u63a5\u53e3\uff0c\u8fd4\u56de\u670d\u52a1\u7aef\u5f53\u524d\u6d88\u606f\u7684\u5904\u7406\u7ed3\u679c\u3002\u793a\u4f8b\u5982\u4e0b\uff1a"),(0,a.yg)("pre",null,(0,a.yg)("code",{parentName:"pre",className:"language-java"},'// \u6d88\u8d39\u793a\u4f8b\uff1a\u4f7f\u7528 SimpleConsumer \u6d88\u8d39\u666e\u901a\u6d88\u606f\uff0c\u4e3b\u52a8\u83b7\u53d6\u6d88\u606f\u5904\u7406\u5e76\u63d0\u4ea4\u3002 \nClientServiceProvider provider = ClientServiceProvider.loadService();\nString topic = "YourTopic";\nFilterExpression filterExpression = new FilterExpression("YourFilterTag", FilterExpressionType.TAG);\nSimpleConsumer simpleConsumer = provider.newSimpleConsumerBuilder()\n // \u8bbe\u7f6e\u6d88\u8d39\u8005\u5206\u7ec4\u3002\n .setConsumerGroup("YourConsumerGroup")\n // \u8bbe\u7f6e\u63a5\u5165\u70b9\u3002\n .setClientConfiguration(ClientConfiguration.newBuilder().setEndpoints("YourEndpoint").build())\n // \u8bbe\u7f6e\u9884\u7ed1\u5b9a\u7684\u8ba2\u9605\u5173\u7cfb\u3002\n .setSubscriptionExpressions(Collections.singletonMap(topic, filterExpression))\n // \u8bbe\u7f6e\u4ece\u670d\u52a1\u7aef\u63a5\u53d7\u6d88\u606f\u7684\u6700\u5927\u7b49\u5f85\u65f6\u95f4\n .setAwaitDuration(Duration.ofSeconds(1))\n .build();\ntry {\n // SimpleConsumer \u9700\u8981\u4e3b\u52a8\u83b7\u53d6\u6d88\u606f\uff0c\u5e76\u5904\u7406\u3002\n List<MessageView> messageViewList = simpleConsumer.receive(10, Duration.ofSeconds(30));\n messageViewList.forEach(messageView -> {\n System.out.println(messageView);\n // \u6d88\u8d39\u5904\u7406\u5b8c\u6210\u540e\uff0c\u9700\u8981\u4e3b\u52a8\u8c03\u7528 ACK \u63d0\u4ea4\u6d88\u8d39\u7ed3\u679c\u3002\n try {\n simpleConsumer.ack(messageView);\n } catch (ClientException e) {\n logger.error("Failed to ack message, messageId={}", messageView.getMessageId(), e);\n }\n });\n} catch (ClientException e) {\n // \u5982\u679c\u9047\u5230\u7cfb\u7edf\u6d41\u63a7\u7b49\u539f\u56e0\u9020\u6210\u62c9\u53d6\u5931\u8d25\uff0c\u9700\u8981\u91cd\u65b0\u53d1\u8d77\u83b7\u53d6\u6d88\u606f\u8bf7\u6c42\u3002\n logger.error("Failed to receive message", e);\n}\n')),(0,a.yg)("p",null,"SimpleConsumer\u4e3b\u8981\u6d89\u53ca\u4ee5\u4e0b\u51e0\u4e2a\u63a5\u53e3\u884c\u4e3a\uff1a"),(0,a.yg)("table",null,(0,a.yg)("thead",{parentName:"table"},(0,a.yg)("tr",{parentName:"thead"},(0,a.yg)("th",{parentName:"tr",align:null},"\u63a5\u53e3\u540d\u79f0"),(0,a.yg)("th",{parentName:"tr",align:null},"\u4e3b\u8981\u4f5c\u7528"),(0,a.yg)("th",{parentName:"tr",align:null},"\u53ef\u4fee\u6539\u53c2\u6570"))),(0,a.yg)("tbody",{parentName:"table"},(0,a.yg)("tr",{parentName:"tbody"},(0,a.yg)("td",{parentName:"tr",align:null},(0,a.yg)("inlineCode",{parentName:"td"},"ReceiveMessage")),(0,a.yg)("td",{parentName:"tr",align:null},"\u6d88\u8d39\u8005\u4e3b\u52a8\u8c03\u7528\u8be5\u63a5\u53e3\u4ece\u670d\u52a1\u7aef\u83b7\u53d6\u6d88\u606f\u3002 ",(0,a.yg)("strong",{parentName:"td"},"\u8bf4\u660e")," \u7531\u4e8e\u670d\u52a1\u7aef\u5b58\u50a8\u4e3a\u5206\u5e03\u5f0f\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u670d\u52a1\u7aef\u5b9e\u9645\u6709\u6d88\u606f\uff0c\u4f46\u662f\u8fd4\u56de\u4e3a\u7a7a\u7684\u73b0\u8c61\u3002 \u4e00\u822c\u53ef\u901a\u8fc7\u91cd\u65b0\u53d1\u8d77ReceiveMessage\u8c03\u7528\u6216\u63d0\u9ad8ReceiveMessage\u7684\u5e76\u53d1\u5ea6\u89e3\u51b3\u3002"),(0,a.yg)("td",{parentName:"tr",align:null},(0,a.yg)("em",{parentName:"td"}," \u6279\u91cf\u62c9\u53d6\u6d88\u606f\u6570\uff1aSimpleConsumer\u53ef\u4ee5\u4e00\u6b21\u6027\u6279\u91cf\u83b7\u53d6\u591a\u6761\u6d88\u606f\u5b9e\u73b0\u6279\u91cf\u6d88\u8d39\uff0c\u8be5\u63a5\u53e3\u53ef\u4fee\u6539\u6279\u91cf\u83b7\u53d6\u7684\u6d88\u606f\u6570\u91cf\u3002 ")," 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