rocketmq example readme improve
sorie
3 years ago
parent
5fd76cde30
commit
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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<groupId>com.alibaba.cloud</groupId>
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<artifactId>spring-cloud-alibaba-examples</artifactId>
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<version>${revision}</version>
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<relativePath>../../pom.xml</relativePath>
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</parent>
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<modelVersion>4.0.0</modelVersion>
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<artifactId>rocketmq-tx-example</artifactId>
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<name>Spring Cloud Starter Stream Alibaba RocketMQ Transaction message Example</name>
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<description>Example demonstrating how to send and consume transaction messages in rocketmq</description>
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<packaging>jar</packaging>
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<dependencies>
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<dependency>
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<groupId>com.alibaba.cloud</groupId>
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<artifactId>spring-cloud-starter-stream-rocketmq</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-actuator</artifactId>
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</dependency>
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<dependency>
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<groupId>com.alibaba.cloud</groupId>
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<artifactId>rocketmq-example-common</artifactId>
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<version>${revision}</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-deploy-plugin</artifactId>
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<version>${maven-deploy-plugin.version}</version>
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<configuration>
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<skip>true</skip>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</project>
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/*
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* Copyright 2013-2022 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.alibaba.cloud.examples.tx;
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import java.util.function.Consumer;
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import com.alibaba.cloud.examples.common.SimpleMsg;
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import com.alibaba.cloud.stream.binder.rocketmq.constant.RocketMQConst;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.ApplicationRunner;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.cloud.stream.function.StreamBridge;
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import org.springframework.context.annotation.Bean;
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import org.springframework.messaging.Message;
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import org.springframework.messaging.MessageHeaders;
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import org.springframework.messaging.support.MessageBuilder;
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import org.springframework.util.MimeTypeUtils;
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/**
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* @author sorie
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*/
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@SpringBootApplication
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public class RocketMQTxApplication {
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private static final Logger log = LoggerFactory
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.getLogger(RocketMQTxApplication.class);
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@Autowired
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private StreamBridge streamBridge;
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public static void main(String[] args) {
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SpringApplication.run(RocketMQTxApplication.class, args);
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}
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@Bean
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public ApplicationRunner producer() {
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return args -> {
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for (int i = 1; i <= 4; i++) {
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MessageBuilder builder = MessageBuilder.withPayload(new SimpleMsg("Hello Tx msg " + i));
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builder.setHeader("test", String.valueOf(i))
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.setHeader(MessageHeaders.CONTENT_TYPE, MimeTypeUtils.APPLICATION_JSON);
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builder.setHeader(RocketMQConst.USER_TRANSACTIONAL_ARGS, "binder");
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Message<SimpleMsg> msg = builder.build();
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streamBridge.send("producer-out-0", msg);
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System.out.println("send Msg:" + msg.toString());
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}
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};
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}
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@Bean
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public Consumer<Message<SimpleMsg>> consumer() {
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return msg -> {
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Object arg = msg.getHeaders();
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log.info(Thread.currentThread().getName() + " Receive New Messages: " + msg.getPayload().getMsg() + " ARG:"
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+ arg.toString());
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};
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}
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}
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/*
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* Copyright 2013-2018 the original author or authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.alibaba.cloud.examples.tx;
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import org.apache.rocketmq.client.producer.LocalTransactionState;
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import org.apache.rocketmq.client.producer.TransactionListener;
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import org.apache.rocketmq.common.message.Message;
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import org.apache.rocketmq.common.message.MessageExt;
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import org.springframework.stereotype.Component;
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/**
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* @author <a href="mailto:fangjian0423@gmail.com">Jim</a>
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*/
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@Component("myTransactionListener")
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public class TransactionListenerImpl implements TransactionListener {
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/**
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* Excute local transaction.
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* @param msg messages
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* @param arg message args
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* @return Transaction state
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*/
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@Override
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public LocalTransactionState executeLocalTransaction(Message msg, Object arg) {
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Object num = msg.getProperty("test");
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if ("1".equals(num)) {
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System.out.println("executer: " + new String(msg.getBody()) + " unknown");
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return LocalTransactionState.UNKNOW;
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}
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else if ("2".equals(num)) {
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System.out.println("executer: " + new String(msg.getBody()) + " rollback");
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return LocalTransactionState.ROLLBACK_MESSAGE;
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}
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System.out.println("executer: " + new String(msg.getBody()) + " commit");
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return LocalTransactionState.COMMIT_MESSAGE;
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}
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/**
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* MQ check back local transaction states.
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* @param msg messages
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* @return Transaction state
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*/
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@Override
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public LocalTransactionState checkLocalTransaction(MessageExt msg) {
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System.out.println("check: " + new String(msg.getBody()));
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return LocalTransactionState.COMMIT_MESSAGE;
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}
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}
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@ -0,0 +1,27 @@
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server:
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port: 28088
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spring:
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application:
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name: rocketmq-tx-example
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cloud:
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stream:
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function:
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definition: consumer;
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rocketmq:
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binder:
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name-server: localhost:9876
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bindings:
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producer-out-0:
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producer:
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group: output_1
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transactionListener: myTransactionListener
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producerType: Trans
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bindings:
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producer-out-0:
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destination: tx
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consumer-in-0:
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destination: tx
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group: tx-group
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logging:
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level:
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org.springframework.context.support: debug
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