Merge pull request #119 from mercyblitz/master
[Feature] Add Spring Cloud Bus module for Apache RocketMQpull/128/head
format
6 years ago
committed by
GitHub
commit
47b1f05e86
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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"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<artifactId>spring-cloud-alibaba-examples</artifactId>
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<groupId>org.springframework.cloud</groupId>
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<version>0.2.1.BUILD-SNAPSHOT</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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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-bus-rocketmq-example</artifactId>
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<name>Spring Cloud Bus RocketMQ Example</name>
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<dependencies>
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-starter-bus-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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</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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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://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 org.springframework.cloud.alibaba.cloud.examples.rocketmq;
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import com.fasterxml.jackson.core.JsonProcessingException;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.beans.factory.annotation.Value;
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import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
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import org.springframework.boot.builder.SpringApplicationBuilder;
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import org.springframework.cloud.bus.event.AckRemoteApplicationEvent;
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import org.springframework.cloud.bus.jackson.RemoteApplicationEventScan;
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import org.springframework.context.ApplicationEventPublisher;
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import org.springframework.context.event.EventListener;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RequestParam;
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import org.springframework.web.bind.annotation.RestController;
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/**
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* RocketMQ Bus Spring Application
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*
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* @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
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* @since 0.2.1
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*/
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@RestController
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@EnableAutoConfiguration
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@RemoteApplicationEventScan(basePackages = "org.springframework.cloud.alibaba.cloud.examples.rocketmq")
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public class RocketMQBusApplication {
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public static void main(String[] args) {
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new SpringApplicationBuilder(RocketMQBusApplication.class)
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.properties("server.port=0") // Random server port
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.properties("management.endpoints.web.exposure.include=*") // exposure includes all
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.properties("spring.cloud.bus.trace.enabled=true") // Enable trace
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.run(args);
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}
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@Autowired
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private ApplicationEventPublisher publisher;
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@Value("${spring.cloud.bus.id}")
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private String originService;
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@Value("${server.port}")
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private int localServerPort;
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@Autowired
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private ObjectMapper objectMapper;
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/**
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* Publish the {@link UserRemoteApplicationEvent}
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*
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* @param name the user name
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* @param destination the destination
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* @return If published
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*/
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@GetMapping("/bus/event/publish/user")
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public boolean publish(@RequestParam String name, @RequestParam(required = false) String destination) {
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User user = new User();
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user.setId(System.currentTimeMillis());
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user.setName(name);
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publisher.publishEvent(new UserRemoteApplicationEvent(user, originService, destination));
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return true;
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}
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/**
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* Listener on the {@link UserRemoteApplicationEvent}
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*
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* @param event {@link UserRemoteApplicationEvent}
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*/
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@EventListener
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public void onEvent(UserRemoteApplicationEvent event) {
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System.out.printf("Server [port : %d] listeners on %s\n", localServerPort, event.getUser());
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}
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@EventListener
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public void onAckEvent(AckRemoteApplicationEvent event) throws JsonProcessingException {
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System.out.printf("Server [port : %d] listeners on %s\n", localServerPort, objectMapper.writeValueAsString(event));
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}
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}
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||||
|
* contributor license agreements. See the NOTICE file distributed with
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|
* this work for additional information regarding copyright ownership.
|
||||||
|
* The ASF licenses this file to You under the Apache License, Version 2.0
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|
* (the "License"); you may not use this file except in compliance with
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|
* the License. You may obtain a copy of the License at
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*
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|
* http://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 org.springframework.cloud.alibaba.cloud.examples.rocketmq;
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/**
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* User Domain
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*
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* @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
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* @since 0.2.1
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*/
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public class User {
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private Long id;
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private String name;
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public Long getId() {
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return id;
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}
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public void setId(Long id) {
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this.id = id;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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@Override
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public String toString() {
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return "User{" +
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"id=" + id +
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", name='" + name + '\'' +
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'}';
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}
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}
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/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||||
|
* contributor license agreements. See the NOTICE file distributed with
|
||||||
|
* this work for additional information regarding copyright ownership.
|
||||||
|
* The ASF licenses this file to You under the Apache License, Version 2.0
|
||||||
|
* (the "License"); you may not use this file except in compliance with
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|
* the License. You may obtain a copy of the License at
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*
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* http://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.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
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*/
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package org.springframework.cloud.alibaba.cloud.examples.rocketmq;
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import org.springframework.cloud.bus.event.RemoteApplicationEvent;
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/**
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* {@link User} {@link RemoteApplicationEvent}
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*
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* @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
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* @since 0.2.1
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*/
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public class UserRemoteApplicationEvent extends RemoteApplicationEvent {
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public UserRemoteApplicationEvent(User user, String originService,
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String destinationService) {
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super(user, originService, destinationService);
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}
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public User getUser() {
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return (User) getSource();
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}
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}
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spring.application.name=spring-cloud-bus-rocketmq-example
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spring.cloud.stream.rocketmq.binder.namesrv-addr=127.0.0.1:9876
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server.port=8080
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spring.cloud.bus.id=${spring.application.name}:${server.port}
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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"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<parent>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-starter-alibaba</artifactId>
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<version>0.2.1.BUILD-SNAPSHOT</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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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-starter-bus-rocketmq</artifactId>
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<name>Spring Cloud Alibaba Bus RocketMQ</name>
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<dependencies>
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<!-- Spring Cloud Stream RocketMQ -->
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-stream-binder-rocketmq</artifactId>
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</dependency>
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<!-- Spring Cloud Bus -->
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<dependency>
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<groupId>org.springframework.cloud</groupId>
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<artifactId>spring-cloud-bus</artifactId>
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</dependency>
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</dependencies>
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</project>
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/*
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|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||||
|
* contributor license agreements. See the NOTICE file distributed with
|
||||||
|
* this work for additional information regarding copyright ownership.
|
||||||
|
* The ASF licenses this file to You under the Apache License, Version 2.0
|
||||||
|
* (the "License"); you may not use this file except in compliance with
|
||||||
|
* the License. You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
* See the License for the specific language governing permissions and
|
||||||
|
* limitations under the License.
|
||||||
|
*/
|
||||||
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package org.springframework.cloud.bus.rocketmq.env;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.env.EnvironmentPostProcessor;
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import org.springframework.cloud.bus.BusEnvironmentPostProcessor;
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import org.springframework.core.Ordered;
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import org.springframework.core.env.ConfigurableEnvironment;
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import org.springframework.core.env.MapPropertySource;
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import org.springframework.core.env.MutablePropertySources;
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import org.springframework.core.env.PropertySource;
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import java.util.HashMap;
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import java.util.Map;
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import static org.springframework.cloud.bus.SpringCloudBusClient.INPUT;
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/**
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* The lowest precedence {@link EnvironmentPostProcessor} configures default RocketMQ Bus Properties that will be
|
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* appended into {@link SpringApplication#defaultProperties}
|
||||||
|
*
|
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|
* @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
|
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|
* @see BusEnvironmentPostProcessor
|
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|
* @since 0.2.1
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|
*/
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public class RocketMQBusEnvironmentPostProcessor implements EnvironmentPostProcessor, Ordered {
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|
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/**
|
||||||
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* The name of {@link PropertySource} of {@link SpringApplication#defaultProperties}
|
||||||
|
*/
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||||||
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private static final String PROPERTY_SOURCE_NAME = "defaultProperties";
|
||||||
|
|
||||||
|
@Override
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||||||
|
public void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication application) {
|
||||||
|
|
||||||
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addDefaultPropertySource(environment);
|
||||||
|
|
||||||
|
}
|
||||||
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|
||||||
|
private void addDefaultPropertySource(ConfigurableEnvironment environment) {
|
||||||
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|
||||||
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Map<String, Object> map = new HashMap<String, Object>();
|
||||||
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|
||||||
|
configureDefaultProperties(map);
|
||||||
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|
||||||
|
addOrReplace(environment.getPropertySources(), map);
|
||||||
|
}
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||||||
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|
||||||
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private void configureDefaultProperties(Map<String, Object> source) {
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||||||
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// Required Properties
|
||||||
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String groupBindingPropertyName = createBindingPropertyName(INPUT, "group");
|
||||||
|
source.put(groupBindingPropertyName, "rocketmq-bus-group");
|
||||||
|
}
|
||||||
|
|
||||||
|
private String createBindingPropertyName(String channel, String propertyName) {
|
||||||
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return "spring.cloud.stream.bindings." + channel + "." + propertyName;
|
||||||
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}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* Copy from {@link BusEnvironmentPostProcessor#addOrReplace(MutablePropertySources, Map)}
|
||||||
|
*
|
||||||
|
* @param propertySources {@link MutablePropertySources}
|
||||||
|
* @param map Default RocketMQ Bus Properties
|
||||||
|
*/
|
||||||
|
private void addOrReplace(MutablePropertySources propertySources,
|
||||||
|
Map<String, Object> map) {
|
||||||
|
MapPropertySource target = null;
|
||||||
|
if (propertySources.contains(PROPERTY_SOURCE_NAME)) {
|
||||||
|
PropertySource<?> source = propertySources.get(PROPERTY_SOURCE_NAME);
|
||||||
|
if (source instanceof MapPropertySource) {
|
||||||
|
target = (MapPropertySource) source;
|
||||||
|
for (String key : map.keySet()) {
|
||||||
|
if (!target.containsProperty(key)) {
|
||||||
|
target.getSource().put(key, map.get(key));
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
if (target == null) {
|
||||||
|
target = new MapPropertySource(PROPERTY_SOURCE_NAME, map);
|
||||||
|
}
|
||||||
|
if (!propertySources.contains(PROPERTY_SOURCE_NAME)) {
|
||||||
|
propertySources.addLast(target);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
@Override
|
||||||
|
public int getOrder() {
|
||||||
|
return LOWEST_PRECEDENCE;
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -0,0 +1,3 @@
|
|||||||
|
# EnvironmentPostProcessor
|
||||||
|
org.springframework.boot.env.EnvironmentPostProcessor=\
|
||||||
|
org.springframework.cloud.bus.rocketmq.env.RocketMQBusEnvironmentPostProcessor
|
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Reference in New Issue