[keycloak-dev] JPA connections provider and multiple transaction support

[Bill Burke]

I don't think you committed this.

On 7/11/2014 11:50 AM, Stian Thorgersen wrote:
> Added Mongo connection provider as well, and moved the MongoStore stuff there:
>
>    https://github.com/stianst/keycloak/blob/master/connections/mongo/src/main/java/org/keycloak/connections/mongo/DefaultMongoConnectionProvider.java
>    https://github.com/stianst/keycloak/blob/master/connections/mongo/src/main/java/org/keycloak/connections/mongo/DefaultMongoConnectionFactoryProvider.java
>
> Now neither the MongoModelProvider:
>
>    https://github.com/stianst/keycloak/blob/master/model/mongo/src/main/java/org/keycloak/models/mongo/keycloak/adapters/MongoModelProviderFactory.java
>
> Or the JpaModelProvider:
>
>    https://github.com/stianst/keycloak/blob/master/model/jpa/src/main/java/org/keycloak/models/jpa/JpaModelProviderFactory.java
>
> Has to deal with connections or transactions.
>
> ----- Original Message -----
>> From: "Stian Thorgersen" <stian at redhat.com>
>> To: "keycloak dev" <keycloak-dev at lists.jboss.org>
>> Sent: Friday, 11 July, 2014 1:29:49 PM
>> Subject: [keycloak-dev] JPA connections provider and multiple transaction	support
>>
>> To prevent creating multiple EntityManager's for a single request I've added
>> a JPAConnectionProvider that is used to share an EntityManager instance
>> between multiple providers.
>>
>>    https://github.com/stianst/keycloak/blob/master/connections/jpa/src/main/java/org/keycloak/connections/jpa/DefaultJpaConnectionProviderFactory.java
>>    https://github.com/stianst/keycloak/blob/master/connections/jpa/src/main/java/org/keycloak/connections/jpa/DefaultJpaConnectionProvider.java
>>
>> In the future we could consider adding support for multiple
>> persistence-units, but for now I think we should have a limitation that all
>> JPA providers use the same database/persistence-unit.
>>
>> I've also added some very basic support to KeycloakSession so providers can
>> enlist their transactions with the session:
>>
>>    https://github.com/stianst/keycloak/blob/master/model/api/src/main/java/org/keycloak/models/KeycloakSession.java
>>    https://github.com/stianst/keycloak/blob/master/model/api/src/main/java/org/keycloak/models/KeycloakTransactionManager.java
>>
>> The idea being that a provider when used can enlist its transaction with the
>> session.
>>
>> I've not committed any of this to master as I wanted to have everyone's
>> opinion on it first.
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>> keycloak-dev at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/keycloak-dev
>>
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-- 
Bill Burke
JBoss, a division of Red Hat
http://bill.burkecentral.com