Hi Dan,
The initialization and usage of a function is handled by the runtime by a
single thread.
Can you share more details? For example:
1. Any Stacktrace
2. How does your StatefulFunctionProvider looks like?
Do you cache a single function instance, or return a new one in the
provider ?
3. Are your functions keep any non PersistedValue state?
Thanks,
Igal
On Saturday, January 11, 2020, Dan Pettersson <dan.pettersso...@gmail.com>
wrote:
> Hi all,
>
> I have had some race problems in method StatefulMatchFunction.
> ensureInitialized.
>
> The quick solution would be to introduce a double checked locking:
>
> private void ensureInitialized() {
> if (!setup) {
> synchronized (this) {
> if (!setup) {
> configure(matcher);
> setup = true;
> }
> }
> }
> }
>
> But this solution would force us to make the setup variable to volatile,
> which would/can decrease the read performance in this performance critical
> code..
>
> Any thoughts on how to solve this in a clever way would be appreciated.
>
> Regards
> Dan
>
