kaisun2000 commented on a change in pull request #924: WIP: fix
ZkHelixPropertyStore loses Zookeeper notification issue
URL: https://github.com/apache/helix/pull/924#discussion_r402042037
##########
File path: helix-core/src/test/java/org/apache/helix/ZkTestHelper.java
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@@ -146,6 +146,70 @@ public void process(WatchedEvent event) {
LOG.info("After expiry. sessionId: " +
Long.toHexString(curZookeeper.getSessionId()));
}
+ public static void expireSharedZkClientSession(HelixZkClient client) throws
Exception {
+ final CountDownLatch waitExpireSession = new CountDownLatch(1);
+ final ZkClient zkClient = (ZkClient) client;
+
+ IZkStateListener listener = new IZkStateListener() {
+ @Override
+ public void handleStateChanged(KeeperState state) throws Exception {
+ LOG.info("IZkStateListener#handleStateChanged, state: " + state);
+ if (state == KeeperState.Expired) {
+ waitExpireSession.countDown();
Review comment:
See my comment later about how to enhance with handleStateChanged. If we
agree with that approach. I will use this logic in TestHelper.expireSession()
and remove this one.
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