tisonkun commented on PR #1106:
URL: https://github.com/apache/zookeeper/pull/1106#issuecomment-1366449561

   @Randgalt I get your point.
   
   > similar to code above this and process the watch if needed
   
   Although, this can be more trick than it first looks like. Because a 
persistent watch is always set, only `node.stat.getMzxid() > relativeZxid` 
indicates a `NodeDataChanged` event. Either the node exists or not cannot 
indicate `NodeCreated` or `NodeDeleted`.
   
   But I think I know what we can do and your original thought now :)


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