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Polish : spring-cloud-incubator/spring-cloud-alibaba#377 : DubboMetadataConfigService will not be export for the pure Dubbo consumer side.

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This commit is contained in:
mercyblitz 2019-03-07 17:36:29 +08:00
parent 892216ffd2
commit fc14f658a7
2 changed files with 52 additions and 1 deletions
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48
spring-cloud-alibaba-dubbo/src/main/java/org/springframework/cloud/alibaba/dubbo/autoconfigure/DubboRestMetadataRegistrationAutoConfiguration.java
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@ -16,18 +16,29 @@
*/
package org.springframework.cloud.alibaba.dubbo.autoconfigure;
import org.apache.dubbo.config.ApplicationConfig;
import org.apache.dubbo.config.ProtocolConfig;
import org.apache.dubbo.config.ServiceConfig;
import org.apache.dubbo.config.spring.ServiceBean;
import org.apache.dubbo.config.spring.context.event.ServiceBeanExportedEvent;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.event.ApplicationReadyEvent;
import org.springframework.cloud.alibaba.dubbo.metadata.resolver.MetadataResolver;
import org.springframework.cloud.alibaba.dubbo.service.DubboMetadataConfigService;
import org.springframework.cloud.alibaba.dubbo.service.PublishingDubboMetadataConfigService;
import org.springframework.cloud.client.serviceregistry.Registration;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.event.EventListener;
import org.springframework.util.StringUtils;
import static org.springframework.cloud.alibaba.dubbo.autoconfigure.DubboMetadataAutoConfiguration.METADATA_PROTOCOL_BEAN_NAME;
/**
* The Auto-Configuration class for Dubbo REST metadata registration,
@ -44,12 +55,21 @@ import org.springframework.context.event.EventListener;
@Configuration
public class DubboRestMetadataRegistrationAutoConfiguration {
private final Logger logger = LoggerFactory.getLogger(getClass());
@Autowired
private MetadataResolver metadataResolver;
@Autowired
private PublishingDubboMetadataConfigService dubboMetadataConfigService;
@Autowired
private ApplicationConfig applicationConfig;
@Autowired
@Qualifier(METADATA_PROTOCOL_BEAN_NAME)
private ProtocolConfig metadataProtocolConfig;
@Value("${spring.application.name:application}")
private String currentApplicationName;
@ -58,4 +78,32 @@ public class DubboRestMetadataRegistrationAutoConfiguration {
ServiceBean serviceBean = event.getServiceBean();
dubboMetadataConfigService.publishServiceRestMetadata(metadataResolver.resolveServiceRestMetadata(serviceBean));
}
@EventListener(ApplicationReadyEvent.class)
public void onApplicationReady() {
exportDubboMetadataConfigService();
}
private void exportDubboMetadataConfigService() {
if (StringUtils.isEmpty(dubboMetadataConfigService.getServiceRestMetadata())) {
// If there is no REST metadata, DubboMetadataConfigService will not be exported.
if (logger.isInfoEnabled()) {
logger.info("There is no REST metadata, the Dubbo service[{}] will not be exported.",
dubboMetadataConfigService.getClass().getName());
}
return;
}
ServiceConfig<DubboMetadataConfigService> serviceConfig = new ServiceConfig<>();
serviceConfig.setInterface(DubboMetadataConfigService.class);
// Use current Spring application name as the Dubbo Service version
serviceConfig.setVersion(currentApplicationName);
serviceConfig.setRef(dubboMetadataConfigService);
serviceConfig.setApplication(applicationConfig);
serviceConfig.setProtocol(metadataProtocolConfig);
serviceConfig.export();
}
}

3
spring-cloud-alibaba-dubbo/src/main/java/org/springframework/cloud/alibaba/dubbo/service/PublishingDubboMetadataConfigService.java
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@ -28,6 +28,7 @@ import java.util.LinkedHashSet;
import java.util.Set;
import static org.springframework.cloud.alibaba.dubbo.autoconfigure.DubboMetadataAutoConfiguration.METADATA_PROTOCOL_BEAN_NAME;
import static org.springframework.util.ObjectUtils.isEmpty;
/**
* Publishing {@link DubboMetadataConfigService} implementation
@ -68,7 +69,9 @@ public class PublishingDubboMetadataConfigService implements DubboMetadataConfig
public String getServiceRestMetadata() {
String serviceRestMetadataJsonConfig = null;
try {
if (!isEmpty(serviceRestMetadata)) {
serviceRestMetadataJsonConfig = objectMapper.writeValueAsString(serviceRestMetadata);
}
} catch (JsonProcessingException e) {
throw new RuntimeException(e);
}