Re: [keycloak-dev] Concurrency & EventsListener SPI
Factory is typically application-scoped when provider is typically
request-scoped (hence single-threaded). Different threads can use more
providers concurrently. In other words, provider doesn't need to be
thread-safe (EG. if you are using collection scoped just to the
lifecycle of single provider instance), but factory should be.
For your use-case, your collection needs to be concurrency-safe if I
understand correctly, as it's shared for whole factory and it's possible
that more providers (requests/threads) will concurrently update it.
Marek
On 04/10/17 16:54, Poiffaut Romain wrote:
Hi,
I am writing a provider for eventsListener SPI.
Could anyone tell me if the provider and its provider factory need to be thread safe ?
With more details, I need to store some events. To do so, I am using a collection created
by the factory and a reference to this collection is passed to the constructor to update
it.
Does my collection needs to be concurrency-safe or is it not needed?
Best regards,
Romain
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