xyuanlu commented on code in PR #2460:
URL: https://github.com/apache/helix/pull/2460#discussion_r1195531628
##########
zookeeper-api/src/main/java/org/apache/helix/zookeeper/zkclient/util/ZkPathRecursiveWatcherTrie.java:
##########
@@ -139,17 +139,88 @@ public void addRecursiveListener(final String path,
RecursivePersistListener lis
if (path.isEmpty()) {
throw new IllegalArgumentException("Empty path: " + path);
}
- final List<String> pathComponents = split(path);
+ final List<String> pathComponents = split(path);
- synchronized(this) {
+ synchronized (this) {
TrieNode parent = _rootNode;
for (final String part : pathComponents) {
- parent = parent.getChildren().computeIfAbsent(part, (p)-> new
TrieNode(part) );
+ parent = parent.getChildren().computeIfAbsent(part, (p) -> new
TrieNode(part));
}
parent._recursiveListeners.add(listener);
}
}
+ public Set<RecursivePersistListener> getAllRecursiveListeners(String path) {
+ Objects.requireNonNull(path, "Path cannot be null");
+
+ final List<String> pathComponents = split(path);
+ Set<RecursivePersistListener> result = new HashSet<>();
+ synchronized (this) {
+ TrieNode cur = _rootNode;
+ for (final String element : pathComponents) {
+ cur = cur.getChild(element);
+ if (cur == null) {
+ break;
+ }
+ result.addAll(cur.getRecursiveListeners());
+ }
Review Comment:
Had an offline discussion. It is hard to generalize this part of logic with
the following func.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
