Multiple rules apply to a composite key, one of which is that a composite key is required to be serializable. Primary keys can be primitive (single persistent field) or composite. The specification requires that fields of an entity may be Java primitives, Java serializable types, or user-defined serializable types.Īn entity class must also have a primary key. Kotlin data classes with native-image you may experience serialization. The Jackson Annotation JsonProperty is used on a property or method during serialization or deserialization of. ReactiveGreetingResource class is implemented as Kotlin source code (as is the. In this article, we’ll focus on using RxJava, since it’s critical to understand the core concepts of this approach. Effectively, RxKotlin makes working with RxJava no less reactive, but much more Kotlin-y. In practice, if our object is to leave the domain of the JVM, it'll require serialization.Įach entity class consists of persistent fields and properties. Moshi JSON Library for Kotlin Applications. RxKotlin is a Kotlin wrapper around RxJava, which also provides plenty of useful extension functions for reactive programming. If an entity instance is to be passed by value as a detached object (e.g., through a remote interface), the entity class must implement the Serializable interface.

Kotlin implement serializable