plusmancn commented on a change in pull request #8721:
URL: https://github.com/apache/dubbo/pull/8721#discussion_r703994941
##########
File path:
dubbo-registry/dubbo-registry-api/src/main/java/org/apache/dubbo/registry/client/metadata/MetadataServiceNameMapping.java
##########
@@ -53,38 +53,40 @@ public MetadataServiceNameMapping() {
@Override
public boolean map(URL url) {
- if
(CollectionUtils.isEmpty(applicationModel.getApplicationConfigManager().getMetadataConfigs()))
{
- return false;
- }
- String serviceInterface = url.getServiceInterface();
- if (IGNORED_SERVICE_INTERFACES.contains(serviceInterface)) {
- return false;
- }
- String registryCluster = getRegistryCluster(url);
- MetadataReport metadataReport =
metadataReportInstance.getMetadataReport(registryCluster);
+ if
(CollectionUtils.isEmpty(applicationModel.getApplicationConfigManager().getMetadataConfigs()))
{
+ return false;
+ }
+ String serviceInterface = url.getServiceInterface();
+ if (IGNORED_SERVICE_INTERFACES.contains(serviceInterface)) {
+ return false;
+ }
+ String registryCluster = getRegistryCluster(url);
+ MetadataReport metadataReport =
metadataReportInstance.getMetadataReport(registryCluster);
- String appName = applicationModel.getApplicationName();
- if (metadataReport.registerServiceAppMapping(serviceInterface,
appName, url)) {
- // MetadataReport support directly register service-app mapping
- return true;
- }
+ String appName = applicationModel.getApplicationName();
+ if (metadataReport.registerServiceAppMapping(serviceInterface,
appName, url)) {
+ // MetadataReport support directly register service-app mapping
+ return true;
+ }
- int currentRetryTimes = 1;
- boolean succeeded = false;
- String newConfigContent = appName;
- do {
- ConfigItem configItem =
metadataReport.getConfigItem(serviceInterface, DEFAULT_MAPPING_GROUP);
- String oldConfigContent = configItem.getContent();
- if (StringUtils.isNotEmpty(oldConfigContent)) {
- boolean contains =
StringUtils.isContains(oldConfigContent, appName);
- if (contains) {
- break;
- }
- newConfigContent = oldConfigContent + COMMA_SEPARATOR +
appName;
+ int currentRetryTimes = 1;
+ boolean succeeded = false;
+ String newConfigContent = appName;
+ do {
+ ConfigItem configItem =
metadataReport.getConfigItem(serviceInterface, DEFAULT_MAPPING_GROUP);
+ String oldConfigContent = configItem.getContent();
+ if (StringUtils.isNotEmpty(oldConfigContent)) {
+ boolean contains = StringUtils.isContains(oldConfigContent,
appName);
+ if (contains) {
+ // From the user's perspective, it means successful when
the oldConfigContent has contained the current appName. So we should not throw
an Exception to user, it will confuse the user.
+ succeeded = true;
Review comment:
According to the original function, setting the `succeeded` variable
may be better.
The latter code may do something base on `succeeded` status.
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