JPA Annotations in Android

Question

We have a project that uses JPA/Hibernate on the server side, the mapped entity classes are in their own Library-Project and use Annotations to be mapped to the database. I want to use these classes in an Android-Project - is there any way to ignore the annotations within Android, to use these classes as standard POJOs?

Answer 1

You can use Cmobilecom JPA for android and java. It implements JPA 2.1 specification. So all your JPA annotations for java will work for android without any changes. Simply add the following dependencies in your projects.

Android:

dependencies {
    implementation("com.cmobilecom:cmobilecom-jpa-android:${version}@aar") {
        transitive = true
    }

    annotationProcessor "com.cmobilecom:cmobilecom-jpa-processor:$version"
}

JDBC:

dependencies {
    implementation "com.cmobilecom:cmobilecom-jpa-jdbc:$version"

    // annotation processor: generate static metamodel
    compileOnly "com.cmobilecom:cmobilecom-jpa-processor:$version"
}

Disclaimer: I am a developer of Cmobilecom JPA.