Jackie-Jiang commented on a change in pull request #5902:
URL: https://github.com/apache/incubator-pinot/pull/5902#discussion_r483211703
##########
File path:
pinot-controller/src/main/java/org/apache/pinot/controller/helix/ControllerRequestURLBuilder.java
##########
@@ -53,6 +55,10 @@ public String forInstance(String instanceName) {
return StringUtil.join("/", _baseUrl, "instances", instanceName);
}
+ public String forInstanceUpdateTags(String instanceName, List<String> tags) {
+ return StringUtil.join("/", _baseUrl, "instances", instanceName,
"updateTags?tags=" + Joiner.on(",").join(tags));
Review comment:
Suggest using StringUtils to join
```suggestion
return StringUtil.join("/", _baseUrl, "instances", instanceName,
"updateTags?tags=" + StringUtils.join(tags, ',');
```
##########
File path:
pinot-controller/src/main/java/org/apache/pinot/controller/helix/ControllerRequestURLBuilder.java
##########
@@ -18,6 +18,8 @@
*/
package org.apache.pinot.controller.helix;
+import com.google.common.base.Joiner;
+import java.util.List;
import javax.annotation.Nullable;
import org.apache.commons.lang.StringUtils;
Review comment:
Not from this PR, but let's change it to `lang3` for consistency
```suggestion
import org.apache.commons.lang3.StringUtils;
```
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