dasahcc commented on a change in pull request #1035:
URL: https://github.com/apache/helix/pull/1035#discussion_r435023881
##########
File path:
zookeeper-api/src/main/java/org/apache/helix/zookeeper/zkclient/ZkClient.java
##########
@@ -1865,17 +1934,24 @@ public Object call() throws Exception {
* exist.
*/
public List<String> watchForChilds(final String path) {
+ return watchForChilds(path, false);
+ }
+
+ private List<String> watchForChilds(final String path, boolean
skipWatchingNodeNotExist) {
if (_zookeeperEventThread != null && Thread.currentThread() ==
_zookeeperEventThread) {
throw new IllegalArgumentException("Must not be done in the zookeeper
event thread.");
}
return retryUntilConnected(new Callable<List<String>>() {
@Override
public List<String> call() throws Exception {
- exists(path, true);
+ if (!skipWatchingNodeNotExist) {
Review comment:
@kaisun2000 I dont think that is a good idea. In this case, it only
handle the leakage of data change but not child change. I think it is better to
have consistent behavior: if node does not exist and skipWatchingNodeNotExist
is true, no data change and child change watcher install. Otherwise, install
both.
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