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mirror of https://gitee.com/mirrors/Spring-Cloud-Alibaba.git synced 2021-06-26 13:25:11 +08:00

Fix bugs on example

This commit is contained in:
mercyblitz 2018-11-23 16:33:24 +08:00
parent b75b19b58c
commit 6e175b35d5
3 changed files with 44 additions and 24 deletions

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@ -16,15 +16,19 @@
*/ */
package org.springframework.cloud.alibaba.cloud.examples.rocketmq; package org.springframework.cloud.alibaba.cloud.examples.rocketmq;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value; import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.ApplicationRunner;
import org.springframework.boot.WebApplicationType;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration; import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
import org.springframework.boot.builder.SpringApplicationBuilder; import org.springframework.boot.builder.SpringApplicationBuilder;
import org.springframework.cloud.bus.event.AckRemoteApplicationEvent;
import org.springframework.cloud.bus.jackson.RemoteApplicationEventScan; import org.springframework.cloud.bus.jackson.RemoteApplicationEventScan;
import org.springframework.context.ApplicationEventPublisher; import org.springframework.context.ApplicationEventPublisher;
import org.springframework.context.annotation.Bean;
import org.springframework.context.event.EventListener; import org.springframework.context.event.EventListener;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
/** /**
* RocketMQ Bus Spring Application * RocketMQ Bus Spring Application
@ -32,33 +36,45 @@ import org.springframework.context.event.EventListener;
* @author <a href="mailto:mercyblitz@gmail.com">Mercy</a> * @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
* @since 0.2.1 * @since 0.2.1
*/ */
@RestController
@EnableAutoConfiguration @EnableAutoConfiguration
@RemoteApplicationEventScan(basePackages = "org.springframework.cloud.alibaba.cloud.examples.rocketmq") @RemoteApplicationEventScan(basePackages = "org.springframework.cloud.alibaba.cloud.examples.rocketmq")
public class RocketMQBusApplication { public class RocketMQBusApplication {
public static void main(String[] args) { public static void main(String[] args) {
new SpringApplicationBuilder(RocketMQBusApplication.class) new SpringApplicationBuilder(RocketMQBusApplication.class)
.properties("server.port=0") // Random server port
.properties("management.endpoints.web.exposure.include=*") // exposure includes all
.properties("spring.cloud.bus.trace.enabled=true") // Enable trace
.run(args); .run(args);
} }
@Autowired
private ApplicationEventPublisher publisher;
@Value("${spring.cloud.bus.id}")
private String originService;
@Value("${server.port}")
private int localServerPort;
@Autowired
private ObjectMapper objectMapper;
/** /**
* Publish the {@link UserRemoteApplicationEvent} to all instances of currentService. * Publish the {@link UserRemoteApplicationEvent}
* *
* @param publisher {@link ApplicationEventPublisher} * @param name the user name
* @param currentService Current application Name * @param destination the destination
* @return {@link ApplicationRunner} instance * @return If published
*/ */
@Bean @GetMapping("/bus/event/publish/user")
public ApplicationRunner publishEventRunner(ApplicationEventPublisher publisher, public boolean publish(@RequestParam String name, @RequestParam(required = false) String destination) {
@Value("${spring.application.name}") String currentService) { User user = new User();
return args -> { user.setId(System.currentTimeMillis());
User user = new User(); user.setName(name);
user.setName("Mercy Ma"); publisher.publishEvent(new UserRemoteApplicationEvent(user, originService, destination));
for (int i = 1; i < 10; i++) { return true;
user.setId(Long.valueOf(i));
publisher.publishEvent(new UserRemoteApplicationEvent(user, currentService, currentService + ":**"));
}
};
} }
/** /**
@ -68,6 +84,11 @@ public class RocketMQBusApplication {
*/ */
@EventListener @EventListener
public void onEvent(UserRemoteApplicationEvent event) { public void onEvent(UserRemoteApplicationEvent event) {
System.out.println("Listener on User : " + event.getUser()); System.out.printf("Server [port : %d] listeners on %s\n", localServerPort, event.getUser());
}
@EventListener
public void onAckEvent(AckRemoteApplicationEvent event) throws JsonProcessingException {
System.out.printf("Server [port : %d] listeners on %s\n", localServerPort, objectMapper.writeValueAsString(event));
} }
} }

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@ -1,5 +0,0 @@
spring.application.name=spring-cloud-bus-rocketmq-example
management.endpoints.web.exposure.include=*
spring.cloud.bus.trace.enabled=true

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@ -0,0 +1,4 @@
spring.application.name=spring-cloud-bus-rocketmq-example
spring.cloud.stream.rocketmq.binder.namesrv-addr=127.0.0.1:9876
server.port=8080
spring.cloud.bus.id=${spring.application.name}:${server.port}