how do you configure JPAStreamer in gradle if your JPA model is written in Kotlin?

[SchlauFuchs]

Hi!

It seems like if the JPA classes are written in Kotlin, adding the plugin to gradle does not result in generated sources. what do I need to do here?

[minborg]

The generation of the support classes is done using an annotation processor.

Perhaps this can provide some guidelines : https://kotlinlang.org/docs/ksp-overview.html

[SchlauFuchs]

Yes, I understood that with the annotation processor, and I added the processor dependency to the gradle build script according to the instructions. Still, I do not see anything trying to create generated code during the build - do you know if the JpaStreamer annotation processor interacts with the KSP?

On Fri, 14 Jan 2022 at 21:22, Per-Åke Minborg @.***> wrote:

The generation of the support classes is done using an annotation processor.

Perhaps this can provide some guidelines : https://kotlinlang.org/docs/ksp-overview.html

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[minborg]

The annotation processor is only tested using Java. I am not a Kotlin expert but maybe the stage whereby Java code is inspected in the annotation processor does not exist during a Kotlin build? In that case, we should have to add some explicit support for KSP and Kotlin. Would it be possible for you to write one of your @Entity classes in Java and see if that works? I understand that this is not an ideal solution but this would perhaps allow a work-around?

[SchlauFuchs]

I cannot turn them to Java as it is company property and policy is to write Kotlin code... but I might have some time experimenting about the annotation processing in our IP sprint which comes in a few weeks.

On Fri, 14 Jan 2022 at 23:01, Per-Åke Minborg @.***> wrote:

The annotation processor is only tested using Java. I am not a Kotlin expert but maybe the stage whereby Java code is inspected in the annotation processor does not exist during a Kotlin build? In that case, we should have to add some explicit support for KSP and Kotlin. Would it be possible for you to write one of your @Entity classes in Java and see if that works? I understand that this is not an ideal solution but this would perhaps allow a work-around?

— Reply to this email directly, view it on GitHub https://github.com/speedment/jpa-streamer/issues/213#issuecomment-1012974246, or unsubscribe https://github.com/notifications/unsubscribe-auth/AAHK5HMB4B6CZRDFYKEBWVLUV7YBHANCNFSM5L5CAFVA . Triage notifications on the go with GitHub Mobile for iOS https://apps.apple.com/app/apple-store/id1477376905?ct=notification-email&mt=8&pt=524675 or Android https://play.google.com/store/apps/details?id=com.github.android&referrer=utm_campaign%3Dnotification-email%26utm_medium%3Demail%26utm_source%3Dgithub.

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[minborg]

Understood. Let's check back in a few weeks and see.

[Leokao4Autopass]

I have a same problem, I want use jpa-streamer with kotlin project. any progress on this discussion?

update: I successful use it with kapt in quarkus

build.gradle.kts

plugins {
    kotlin("jvm") version "1.9.21"
    kotlin("plugin.allopen") version "1.9.21"
    kotlin("plugin.jpa") version "1.9.21"
    id("io.quarkus")
    kotlin("kapt") version "1.9.21"
}

dependencies {
    kapt("com.speedment.jpastreamer:fieldgenerator-standard:3.0.4")
}