Kotlin for Enterprise Applications using Java EE

Defining an event

PersonCreationEvent is an entity that resides in an entity package, more specifically a domain event. Let's say this event specifies some event information, such as identifying which person has been created:

class PersonCreationEvent(val identifier: UUID)

Now, the event can be created as part of our business logic. In the createIdentity() function, we will create a new event, the PersonCreationEvent class, indicating that a new person record has been created:

@Statelessclass App {    @Inject    private lateinit var identityCreator: IdentityCreator    @Inject    private lateinit var identityRepository: IdentityRepository    fun createIdentity(inputData: InputData): Identity {

        val person = identityCreator.createPerson(inputData)        identityRepository ...