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Created August 26, 2021 17:00
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90thAirhacksQ&A.md
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90thAirhacksQ&A.md

Ask questions and see you at September, 6th, 8.PM. CET: https://vimeo.com/event/154379

Also checkout recent episode:

89th airhacks.tv

Please keep the questions Jakarta EE-stic. Means: as short and as concise as only possible. Feel free to ask several, shorter questions. Upcoming airhacks.tv events are also going to be announced at meetup.com/airhacks

@Endilicam
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Endilicam commented Sep 1, 2021

Hello Adam,

In a microservices paradigm, I understand, that it is convenient to stop using EJBs. So I have two questions:

  • The services as you advise to annotate them, @ApplicationScoped or @RequestScoped? The problem I see with writing them down as @RequestScoped is that if you want to inject them from a thread or application start, you can't.
  • Formerly, in EJB applications, I had a class called EntityManagerProvider where the EntityManager was injected, this class was annotated as @stateless, how would you recommend to annotate it now, @ApplicationScoped or @RequestScoped? The same, if it is noted as @RequestScoped I could not inject it from thread or application start.

Thank you very much for your work as a disseminator.

@petermkr
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petermkr commented Sep 1, 2021

Hi Adam,
what is your approach if you find a project that is using the API of Hibernate (instead of pure JPA)? Do you keep Hibernate or do you try to migrate to JPA?

More precisely, is your approach different for features that have a direct equivalent in JPA (for example, org.hibernate.annotations.CascadeType or org.hibernate.annotations.Type) and for features without (org.hibernate.annotations.OptimisticLock, org.hibernate.EmptyInterceptor)?

@aldolushkja
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aldolushkja commented Sep 5, 2021

Is JEE usable in ARM field? Do you have any good guide or recommandations for newbie?

@AdamBien
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AdamBien commented Sep 6, 2021

Is JEE usable in ARM field? Do you have any good guide or recommandations for newbie?

You mean the ARM CPU / ARM architecture: https://en.wikipedia.org/wiki/ARM_architecture?

@JosefMaderKreiner
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JosefMaderKreiner commented Sep 6, 2021

Hi Adam!

I've read about project loom (https://wiki.openjdk.java.net/display/loom/Main). What's your opinion about this project.
When will Jakarta EE and Microprofile projects profit from it?

Thanks for your advice!

Josef

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