[cdi-dev] Review comment: consider allowing NormalScoped EntityManager producers

Donatas donatas.ciuksys at gmail.com
Fri Mar 10 09:05:04 EST 2017

Section "18.7. Resources" contains:

/The container is not required to support resources with scope other than
@Dependent. Portable applications should not define resources with any scope
other than @Dependent./

Yet the CDI spec itself has examples like the one in section "3.4.2.
Declaring a disposer method":

@Produces *@ConversationScoped* @UserDatabase
public *EntityManager* create(EntityManagerFactory emf) {
    return emf.createEntityManager();

Most best practices recommend @RequestScoped EntityManager producer (e.g.:
DeltaSpike JPA module:  http://deltaspike.apache.org/documentation/jpa.html
<http://deltaspike.apache.org/documentation/jpa.html>  ).

Thus please consider explicitly allowing NormalScoped EntityManager


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