Keith
Il Gio 22 Set 2022, 15:03 Keith Turner <[email protected]> ha scritto:
> I have read some documentation about Zookeeper.sync() that makes me
> think there is no need to wait on its callback before reading data,
> but its not explicitly stated in what I have read. I am wondering if
> the following code is a reasonable way to get the latest data for
> '/a/b'?
>
> ZooKeeper zooKeeper = null;
>
> AsyncCallback.VoidCallback cb;
> CompletableFuture<Integer> returnCode = new CompletableFuture<>();
> zooKeeper.sync("/a/b", (rc, path, ctx) -> returnCode.complete(rc), null);
> zooKeeper.getData("/a/b",false, null);
> if(returnCode.get() != 0) {
> //handle problem with sync
> }
>
> Thanks
>
I think that generally you have to wait for 'sync' to complete
successfully, then you can call getData()
Otherwise for instance if the error is ConnectionLoss you haven't really
sent the sync command to the server
I hope that helps
Enrico
> Keith
>
