kaisun2000 commented on a change in pull request #1355:
URL: https://github.com/apache/helix/pull/1355#discussion_r486518801
##########
File path:
helix-core/src/main/java/org/apache/helix/manager/zk/CallbackHandler.java
##########
@@ -660,24 +666,31 @@ private void subscribeForChanges(NotificationContext.Type
callbackType, String p
//TODO: avoid calling getChildren for path that does not exist
if (_changeType == CUSTOMIZED_STATE_ROOT) {
logger.warn(
- "Failed to subscribe child/data change on path: {}, listener:
{}. Instance "
- + "does not support Customized State!", path, _listener);
+ "CallbackHandler {}, Failed to subscribe child/data change on
path: {}, listener: {}. Instance "
+ + "does not support Customized State!", this.toString(),
path, _listener);
} else {
- logger.warn("Failed to subscribe child/data change. path: {},
listener: {}", path,
- _listener, e);
+ logger.warn("CallbackHandler {}, Failed to subscribe child/data
change. path: {}, listener: {}",
+ this.toString(), path, _listener, e);
}
}
}
}
long end = System.currentTimeMillis();
- logger.info("Subscribing to path: {} took: {}", path, (end - start));
+ logger.info("CallbackHandler{}, Subscribing to path: {} took: {}",
this.toString(), path, (end - start));
}
public EventType[] getEventTypes() {
return (EventType[]) _eventTypes.toArray();
}
+ @Override
+ public String toString() {
+ StringBuilder stringBuilder = new StringBuilder();
+ stringBuilder.append(_uid);
+ return stringBuilder.toString();
Review comment:
I think Lei mentioned in the review meeting not to hard code the UID.
How about let me use a function called getUID()?
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