junkaixue commented on code in PR #2432:
URL: https://github.com/apache/helix/pull/2432#discussion_r1166067173
##########
zookeeper-api/src/main/java/org/apache/helix/zookeeper/zkclient/ZkClient.java:
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@@ -2921,10 +2988,47 @@ private void addChildListener(String path,
IZkChildListener listener) {
listeners.add(listener);
}
+ private void addPersistListener(String path, Object listener) {
+ try {
+ _persistListenerMutex.lockInterruptibly();
+ if (listener instanceof IZkChildListener) {
+ addChildListener(path, (IZkChildListener) listener);
+ } else if (listener instanceof IZkDataListener) {
+ addDataListener(path, (IZkDataListener) listener);
+ }
+ } catch (InterruptedException ex) {
+ throw new ZkInterruptedException(ex);
+ } finally {
+ _persistListenerMutex.unlock();
Review Comment:
Would it be possible to make these pieces of code generic?
_mutx.lock();
passedin method.invoke(xxxx)
catch(e){}
finally{
_mutex.unlock();
}
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