On Tue, Jun 26, 2012 at 1:25 PM, David Nickerson <[email protected]> wrote: > Is there any guarantee of order? For example, does the default watcher > receive the notification first? >
No, no guarantee. Patrick > On Tue, Jun 26, 2012 at 11:35 AM, Rakesh R <[email protected]> wrote: > >> When the ZK disconnects/synconnects/expires all the watchers will get the >> notifications. I think, you should have the KeeperState checks in the >> respctive watchers and can do the thread handling logics. >> ________________________________________ >> From: David Nickerson [[email protected]] >> Sent: Tuesday, June 26, 2012 8:20 PM >> To: ZooKeeper mailing list >> Subject: Dealing with an expired session >> >> In my locking implementation, if a thread wants to wait for a lock, it will >> create a watcher object, set a watch on the lock before it, and wait on the >> watcher. When the watch gets triggered, the watcher notifies any threads >> that are waiting on it. >> >> If the session expires, I would like to wake up all of the threads that are >> waiting for a lock. To my understanding, only the default watcher receives >> a notification that the session has expired. If this is the case, then I >> need to maintain a list somewhere of all of the watchers that threads are >> waiting on so that I can notify them all. >> >> Does this sound correct? >>
