It's more a "compare-and-set type operation" but on the same node. I think I have to do a lock indeed.
Thanks! On Wed, Sep 24, 2014 at 8:35 AM, Jordan Zimmerman < [email protected]> wrote: > There are no ZooKeeper APIs that will allow you to atomically check the > value of a node and change another node based on that value. You’d need to > write a recipe for that. i.e. get a lock (InterProcessMutex), get the > value, change another value, release the lock. > > -JZ > > > On September 23, 2014 at 6:48:19 PM, Benjamin Jaton ( > [email protected]) wrote: > > Hello, > > I would like to know if there is a way to get the value of a node, update > it and save it, all in the same transaction. I have been looking for a way > to do that but no luck. > Any idea? > > Thanks > Ben > >
